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games
Jul 20, 2023
- 0ad - Real-time strategy (RTS) game of ancient warfare
- 0verkill - Bloody 2D action deathmatch-like game in ASCII art
- 2048-qt -
- 2048 - Command line version of 2048
- 3dc -
- 3dpong - X Window 3D Pong game for 1 or 2 players
- 3omns - Old-school bomb-dropping Deathmatch
- 4stattack - Connect four stones in a straight line
- 54321 - Five games in four-, three-, or two-dimensions for one player
- 7kaa - Seven Kingdoms Ancient Adversaries
- 90secondportraits - Silly speed painting game
- Caribbeanstud - Caribbean Stud gambling game for X Window System
- Ddnet - DDraceNetwork, a cooperative racing mod of Teeworlds
- Doom64ex - Project aimed to recreate Doom64
- Heroesofmightandmagic - BSD Installation of the Linux game "Heroes of Might and Magic III"
- Knightcap - Chess program with 3D interface for X Window System
- Libremines - Free/Libre and Open Source Software Qt based Minesweeper
- Nblood - Reverse-engineered ports of Build games using EDuke32 engine
- Opendiablo2 - Open source re-implementation of Diablo 2
- Openlara - Classic Tomb Raider open-source engine
- Opentomb - Open-source Tomb Raider 1-5 engine remake
- Srb2 -
- Spacecadetpinball-devel - Decompilation of 3D Pinball for Windows (development version)
- Spacecadetpinball - Decompilation of 3D Pinball for Windows
- Abbayedesmorts - Cross-platform port of l'Abbaye des Morts by Locomalito
- Abe - Abe's Amazing Adventure
- Abstreet - Game exploring how changes to city affect drivers/cyclists/pedestrians
- Abuse_sdl - SDL port of the Abuse game engine
- Ace-of-penguins - Set of Unix/X solitaire games
- Adom - Rogue-like advanced rpg with color support (binary port)
- Adonthell-wastesedge - Role playing game for the Adonthell engine
- Adonthell - Role playing game engine
- Aestats - Advanced HTML statistics generator for various games
- Affenspiel - Little puzzle game with monkey for X Window System
- Afternoonstalker - Clone of the 1981 Night Stalker video game
- Agame - Simple Tetris-like game
- Ags - Adventure Game Studio Engine
- Aisleriot - Collection of patience games written in guile scheme
- Aklabeth - Remake of Richard Garriott's Ultima prequel
- Alephone-data - Released Marathon data files for the Aleph One port
- Alephone-scenarios - Free scenarios for the Aleph One engine
- Alephone - Open source version of Bungies Marathon game
- Alex4 - Classic platformer with Alex the Allegator
- Alienarena-data - Alien Arena (data)
- Alienarena - Alien Arena (native version)
- Alienblaster - Alien Blaster
- Alienwave - Shoot'em up game written using ncurses
- Allacrost - Single player 2D role-playing game
- Amnesia-tdd - Amnesia The Dark Descent
- Amoebax - Cute and addictive Puyo Puyo like game
- An - Fast anagram generator
- Angband - Rogue-like game with color, X11 support
- Anki - Flashcard trainer with spaced repetition
- Antipolix - Simple multiplayer game for X Window System
- Aop - Ncurses based arcade game with only 64 lines of code
- Apoolgl - Another billiards simulator
- Apricots - Fly a little plane around and shoot things and drop bombs
- Aquaria - Underwater 2D fantasy action-adventure (game engine)
- Armagetronad - Tron clone in 3D
- Arx-libertatis - Cross-platform port of Arx Fatalis
- Ascii-invaders - ASCII-art game like Space Invaders using Curses
- Asciiquarium - Aquarium/sea animation in ASCII art
- Assaultcube - Free, multiplayer, first-person shooter game based on the CUBE engine
- Asteroid - Modern version of the arcade classic Asteroid
- Asteroids3d - First-person shooter blowing up asteroids in 3D space
- Astromenace - Hardcore 3D space shooter with spaceship upgrade possibilities
- Asylum - Surreal platform shooting game
- Atanks -
- Atomix - Yet another little mind game
- Atr3d -
- Atris-sounds - Sounds for Atris Alizarin Tetris
- Atris - Atris Alizarin Tetris
- Augustus - Open source re-implementation of Caesar III
- Auralquiz - Simple music quiz game using your own music files
- Automuteus - Discord Bot to automute Among Us players at round transitions
- Avanor - Rogue-like game with easy ADOM-like user interface
- Avoision - Simple collect-dots-avoid-blocks game
- Avp - Open source re-implementation of Alien versus Predator
- Awale - African board game
- Awele - African board game
- Ballerburg - Two players, two castles, and a hill in between
- Banihstypos - Simple game to teach you typing, fast
- Barbie_seahorse_adventures - You are a seahorse and you want to go to the moon!
- Barony -
- Barrage - Destroy as many targets as possible
- Bass - Beneath a Steel Sky a post-apocalyptic futuristic graphical adventure
- Bastet - Ncurses Tetris clone which is harder than every other Tetris
- Battalion - Monsters, explosions, destruction game for X Window System
- Battletanks - Fast 2D tank arcade game with multiplayer and split-screen modes
- Belooted - Popular 32-card trick-taking game played in France
- Beret -
- Billardgl - OpenGL pool billiard simulation
- Biloba - Strategy board game for 2 to 4 players
- Biniax2 - Original logic game with arcade and tactics modes
- Biorythm - Simple biorhythm calculation program
- Bitefusion - Snake game with 8 levels
- Black-box - Shoot in and watch where the shot leaves the box
- Black-hole-solver - Black Hole Solitaire Solver
- Blackjackclient - Simple Blackjack game in Java
- Blackshadeselite - Psychic Bodyguard FPS - protect the VIP
- Blinken - Memory enhancement game
- Blinkensisters - Parallax-style 2D scrolling platform game
- Blobby - Official continuation of the famous Blobby Volley 1.x game
- Blobwars - Mission and Objective based 2D Platform Game
- Block - Small text based maze game
- Blockattack - Puzzle game inspired by Tetris
- Blockout - BlockOut II is an adaptation of the original Blockout DOS game
- Blockrage - Falling blocks game with 2-player hotseat mode
- Blokish - Clone of the strategy board game 'Blokus'
- Bloodfrontier - Single- and multi-player first-person shooter based on Cube 2
- Bluemoon - Blue Moon card solitaire
- Blues - Blues Brothers, Jukebox Adventure, and Prehistorik 2 engine reimplementation
- Bomber -
- Bomberclone - Reimplementation of Atomic Bomber Man
- Bombherman - Bomberman clone written in C++
- Bombz - Simple 2D puzzle game with bombs
- Bomns - Best old-school Deathmatch game ever (only for two players)
- Bouncy - You are a hungry rabbit. Eat food to complete the level
- Bovo -
- Braincurses - Clone of the Mastermind game
- Brainparty - Family-friendly set of 36 puzzle games
- Brainworkshop - Dual N-Back mental exercise
- Brickout - Ball-and-paddle game
- Brickshooter - Push blocks on to the playing field, match block colors to remove them
- Brikx - Puzzle game - remove all tiles from the table
- Briquolo - Breakout clone with an OpenGL 3D representation
- Brogue - Much-loved minimalist roguelike game (community edition)
- Brumbrumrally - Racing game with randomized tracks
- Brutalchess - Nice looking OpenGL chess game
- Bs - Battleships solitaire game with a color interface
- Bsdgames - Traditional BSD games taken mostly from DragonFly BSD
- Bsdrain - The original BSD rain program, ported from NetBSD
- Bsdtris - BSD version of text-based Tetris game
- Bsp - Node builder for Doom
- Bstone - Source port of Blake Stone
- Bubble-chains - Free crossplatform 2D arcade-puzzle game
- Bubbros - Multiplayer clone of the famous Bubble Bobble game
- Bucklespring - Nostalgia bucklespring keyboard sound
- Bugsquish - Action game not unlike light gun arcade games
- Bugsx - Breed bugs using genetic algorithms
- Bumprace - Simple arcade racing game
- Bunnysay - Bunny Sign for terminals with UTF-8 support
- Burgerspace - BurgerTime clone
- Burrtools - Puzzle solver
- Bzflag-server - Multiplayer 3D tank battle game (server only)
- Bzflag -
- Cake - Quake3 map viewer (and powerful 3D game engine)
- Candycrisis - Pure action and puzzle gaming
- Caph - Physics-based sandbox game
- Cardpics -
- Castlevox - Fast world domination game
- Cataclysm-dda-tiles -
- Cataclysm-dda - Roguelike set in a post-apocalyptic world
- Catesc - Escape of the cat - hardcore oldschool platformer
- Cave9 - Gravity cave-exploration game
- Cavezofphear - Boulder Dash / Digger-like game for consoles/terminals
- Cdogs-sdl - Classic overhead run-and-gun game
- Cgoban - Internet Go Server client and game editor
- Chapping - Turn based board football game
- Chessx - Qt 5 chess database application
- Childsplay - Educative games for children
- Chocolate-doom - Doom/Heretic/Hexen/Strife engine port compatible with the originals
- Chroma - Abstract puzzle game
- Chromium-bsu - Arcade-style, top-scrolling space shooter
- Chromono - Circular color puzzle
- Circuslinux -
- Cmatrix - Show a scrolling 'Matrix' like screen
- Cockatrice - Virtual tabletop client and server for multiplayer card games
- Coffeebreak - Pretend your machine is busy with a fake FreeBSD installer
- Colobot - Educational game aiming to teach programming to kids
- Colorcode - Advanced MasterMind game and solver
- Columns - Nice little implementation of columns game for X Window System
- Concentration - Find all matching pairs of icons as fast as possible
- Connectagram - Word unscrambling game
- Connectfive - Place five pieces in a row on a 3D board
- Construo - Fun construction toy
- Coronapoker - Texas Holdem poker game
- Corsix-th - Open source clone of Theme Hospital
- Cosmosmash - Clone of the Intellivision(TM) game Astrosmash(TM)
- Cowsay - Configurable talking characters in ASCII art
- Crack-attack - OpenGL game based on Super Nintendo classic Tetris Attack
- Craft - Simple Minecraft clone written in C using modern OpenGL
- Crafty - Chess program for playing and analyzing games
- Crashtest - Educational crash simulator
- Cretan-hubris - Maze on the Isle of Crete
- Crimson - Tactical war game in the tradition of Battle Isle
- Crispy-doom - Enhanced-resolution Doom source port based on Chocolate Doom
- Criticalmass - SDL/OpenGL space shoot'em up game
- Crossfire-client - Cooperative multiplayer graphical RPG and adventure game
- Crossfire-server - Server for multiplayer graphical arcade and adventure game
- Crrcsim - Model-airplane flight simulation program
- Cryptoslam - Curses-based tool for creating and solving the cryptograms
- Csmash -
- Ctris - Colorized, small, and flexible Tetris(TM)-clone for the console
- Cube - OpenGL 3D FPS (first person shooter) game
- Cursive - Create ASCII character cursive handwriting
- Cutemaze - Simple, top-down game in which mazes are randomly generated
- Cuyo - Nice, innovative, challenging Tetris-like game
- Cxxmatrix - C++ Matrix The Matrix Reloaded in Terminals
- D2x - Unix port of Descent 2 Game
- Dmagnetic - Magnetic Scrolls Interpreter
- Dangen - Shoot'em up game where accurate shooting matters
- Dangerdeep-data - Danger from the Deep data files
- Dangerdeep - Open source World War II German submarine simulation
- Darkplaces - Quake engine modification
- Defendguin - Your mission is to defend little penguinoids
- Devilutionx - Diablo I engine for modern operating systems
- Dhewm3 - Doom 3 GPL source port
- Diameter - Arcade-style game with elements of economy and adventure
- Diaspora - Single and multiplayer space fighter combat game
- Digger-vgl - FreeBSD graphics console (VGL) version of the famous Digger game
- Divide-and-succeed - Divide polygons into the rigth number of equal parts
- Dmjava - Dungeon Master Java is a remake of the classic Dungeon Master by FTL
- Dobutsu - Tablebase and Engine for Dobutsu Shogi
- Dodgindiamond2 - Old school shoot'em up game
- Domination - Board game that is a bit like the well known game Risk
- Domino-chain - Rearrange dominoes on different platforms to start a chain reaction
- Dontspace - Solitaire game for X11 modeled after Free Space
- Doom-data - Shareware data files for Doom, Doom II, Hexen, Heretic, and Strife
- Doom-freedoom - Complete Doom-based game IWAD that is Free Software
- Doom-hacx - Full TC using the Doom II engine
- Doom-hr - Hell Revealed is a megawad, a 32-level replacement for DooM II
- Doom-hr2 - Hell Revealed II is a megawad, a 32-level replacement for DooM II
- Doom-wolfendoom - Wolfenstein 3D levels ported to Doom II
- Doom - DOOM the game and the sound server
- Doomlegacy - Improved and extended version of Doom
- Doomsday - Enhanced Doom, Heretic, and Hexen source port
- Dose-response - Open-world roguelike game where you play an addict
- Dreamchess - OpenGL chess game
- Duckmaze - Game about a duck that is in a maze
- Duel - Overhead, OpenGL space shooter
- Dunelegacy - Open source clone of Dune II
- Dungeon - Text adventure which became Zork I-III
- Dungeoncrawl - Old school roguelike game
- Dustrac -
- Dxx-rebirth - Open source port of Descent and Descent 2
- Easyrpg-player - RPG Maker 2000/2003 and EasyRPG games interpreter
- Eboard - GTK+ chess board interface (mainly for FICS and chessd)
- Ecwolf - Source port for Wolfenstein 3D, Spear of Destiny
- Edge - DOOM style engine aimed at the Total Conversion developer
- Editss - Editor for XPilot shipshapes
- Eduke32 - Duke Nukem 3D Port based on JFDuke and EDuke
- Egl - Enhanced OpenGL-only Quake II engine
- Egoboo -
- Eif - Empire text client
- Eights - Text based card game, the objective is to get rid of all your cards
- Einstein - Remake of old DOS game Sherlock, which was inspired by Albert Einstein's puzzle
- Eksanos - Simple TicTacToe game written for elementary OS
- El-data - Eternal Lands data, sound, and music files
- El - Eternal Lands is a free 3D MMORPG
- Emptyepsilon - Spaceship bridge simulator game
- Endgame-singularity-music - Music pack for endgame-singularity
- Endgame-singularity - Simulates the life of a true AI
- Endless-sky-high-dpi - High-DPI graphics for Endless Sky
- Endless-sky - Space exploration and combat game similar to Escape Velocity
- Enigma - Reimplementation of Oxyd, a puzzle game
- Ensemblist - Assemble given shapes from primitives
- Entombed - One- or two-player maze game based on the Entombed
- Enygma - Text-based puzzle game
- Epiphany-game - Multiplatform clone of Boulderdash
- Etracer - Extreme Tux Racer
- Euchre - Very popular card game with variable skill levels
- Eureka - Map editor for various Doom-derived games
- Evilfinder - Numerologically determine the evilness of things
- Evq3 - Marriage of XreaL and Icculus.org Q3 w/ Improvements
- Excido - Portable fast-paced 3D shooter
- Exhaust-doc - Redcode simulator easy to embed into applications (docs)
- Exhaust-ma - Redcode simulator easy to embed into applications
- Exhaust - Redcode simulator easy to embed into applications
- Exult-devel -
- Exult - Engine for Ultima VII (BG, FOV, SI, SS)
- Ezquake - Modern QuakeWorld client
- F1spirit-remake - Remake of classic F1 Spirit racing game
- Fairymax - Chess engine for shatranj, courier chess, and others
- Fakesteak - Implementation of the digital character rain as seen in "The Matrix"
- Falconseye - NetHack derivative
- Farblazer - Originally based of StarBlazer on the Apple ][
- Fargoal - Remake of classic roguelike game "Sword of Fargoal"
- Fbg2 - Classic block-stacking arcade game
- Fheroes2 - Free implementation of Heroes of Might and Magic II engine
- Fightorperish - Dungeon-crawling game
- Fillets-ng - Wonderful puzzle game
- Filters - Collection of filters, including B1FF, and the Swedish Chef
- Fishsupper - Guide a cat across a series of rivers, jumping from log to log
- Five-or-more - Form a line of 5 or more colored balls
- Fkiss - Freely enjoy childlike KISS, French-KISS!
- Flare-engine - Free Libre Action Roleplaying Engine
- Flare-game - Free Libre Action Roleplaying Engine game data
- Flightgear-aircraft - Selection of additional aircraft for the FlightGear flight simulator
- Flightgear-data - FlightGear scenery, textures, and aircraft models
- Flightgear-mb339-pan - Simulation of the MB-339 PAN aerobatic jet
- Flightgear - FlightGear flight simulator
- Flobopuyo - Clone of the famous PuyoPuyo
- Flyhard - Game resembling Thrust, but with lots of shooting and puzzles
- Flying - Pool/snooker/billiards/carrom/etc game
- Fmars - Fast Memory Array Redcode Simulator
- Foobillard - Free OpenGL billiards game
- Formido -
- Fortunate - Graphical front-end to the command-line BSD fortune
- Fotaq - Flight of the Amazon Queen a classic graphical adventure
- Four-in-a-row - Make lines of the same color
- Freebee - Multi-platform ncurses-based console client for Free Bee
- Freeblocks - Puzzle game with similar gameplay to Tetris Attack
- Freecell-solver - Open source framework for solving Freecell
- Freeciv-nox11 -
- Freeciv - Free turn-based multiplayer strategy
- Freecol - Open source version of Colonization
- Freedink-data - Game data for games/freedink (Dink Smallwood)
- Freedink-dfarc - Frontend and .dmod installer for GNU FreeDink
- Freedink-engine - Dink Smallwood RPG and RPG Construction Set
- Freedink - Metaport for FreeDink engine and data
- Freedoko - Play the card game Doppelkopf
- Freedroid - Clone of the Commodore game Paradroid
- Freedroidrpg - Modification of the classical Freedroid engine into an RPG
- Freeminer-default - The main game for the Freeminer game engine
- Freeminer - Open source sandbox game inspired by Minecraft
- Freeorion - Turn-based space empire and galactic conquest game
- Freera - Westwood red alert game engine
- Freesweep - Minesweeper-style game for text-mode terminals
- Freesynd - Reimplementation of the classic Bullfrog game Syndicate
- Freetennis - Tennis simulation
- Fretsonfire-data - Frets on Fire data files
- Fretsonfire - Game of musical skill and fast fingers
- Frikqcc - Advanced QuakeC compiler/decompiler
- Frogatto - Old-school 2D classic adventure platformer game
- Frotz - Infocom Z-machine games interpreter
- Frozen-bubble - Shoot frozen bubbles to build groups of the same color
- Fs2open - Open source video engine of FreeSpace 2
- Funnyboat - Side scrolling shooter game starring a steamboat on the sea
- Galaxis - Clone of the nifty little Macintosh game
- Galaxyhack - AI script based strategy game
- Garden-of-coloured-lights - Old school 2D vertical shoot-em-up with some innovative elements
- Gbottler - SSTP Bottle client
- Gbrainy - Brain teaser game and trainer
- Gcompris-qt - Educational games and activities for kids ages 2 to 10
- Gcompris - Gnome2 educational games and activities for kids ages 2 to 10
- Gemdropx - Interesting one-player puzzle game for X (SDL)
- Gemrb - GemRB (Game engine made with preRendered Background)
- Genact - Nonsense activity generator
- Gigalomania - Open source 2D real time strategy god game
- Gillo - Players are cars throwing a magnetic fuzzy ball into a goal
- Gl-117 - OpenGL & SDL action flight simulator
- Glaxium - OpenGL based space-ship "shoot-em-up" game
- Glbsp - BSP node builder for OpenGL-based DOOM engines
- Glchess -
- Glest-data - Glest data files
- Glest - Free 3D real-time customizable strategy game
- Glightoff - Simple (but not so easy to solve!) puzzle game
- Glmaze - Multiplayer OpenGL Maze Game
- Glob2 - Globulation 2, free and innovative strategy game
- Glsfcave - Control a ribbon to avoid hitting walls
- Gltron -
- Gmastermind - Well-known mastermind game
- Gmines - Well-known minesweeper game for GNUstep
- Gnarr - Program for generating battle cries
- Gnome-2048 - Move the tiles until you obtain the 2048 tile
- Gnome-chess - Gnome chess
- Gnome-games - Gnome games meta port
- Gnome-klotski - Gnome klotski
- Gnome-mahjongg - Gnome mahjongg
- Gnome-mines - Gnome minesweeper
- Gnome-nibbles - Gnome nibbles
- Gnome-robots - Gnome robots
- Gnome-sudoku - Sudoku game for GNOME
- Gnome-taquin - Move tiles so that they reach their places
- Gnome-tetravex - Gnome tetravex
- Gnubg - GNU Backgammon
- Gnubik -
- Gnuchess - Classic Gnu Chess
- Gnudoku - Free program for creating and solving Su Doku puzzles
- Gnugo - The game of Go
- Gnujump - Platform game where you have to jump up to survive
- Gnurobbo - Reimplementation of LK Avalon's Robbo for the Atari XE/XL
- Gnurobots - GNU diversion wherein Scheme-coded robots explore a world
- Gnushogi - GNU version of Shogi
- Gnustep-ladder - GNU Go frontend for GNUstep
- Gnustep-sudoku - Sudoku solver and generator
- Gogrepo - Batch downloader for (linux,mac,windows) games distributed by GOG.com
- Gogui - GUI for programs that play Go through Go Text Protocol (GTP)
- Golddig - Getting the Gold and Avoiding Death
- Golly - Conway's Game of Life and other cellular automata
- Gomoku - GNUstep Gomoku game
- Goonies - Remake of the 8 bit classic game 'The Goonies'
- Gottet - Tetris clone
- Gracer -
- Granatier -
- Greed - Text puzzle game with the aim of clearing the game field
- Gretools - GNOME vocabulary builder
- Griels-quest - Griel's Quest for the Sangraal
- Grubik - Virtual 3D Rubiks cube for GNUstep
- Gshisen - Shisen-sho puzzle game for GNUstep
- Gti - Just a silly git launcher, basically. Inspired by sl
- Gtkatlantic - Game like Monopoly(tm)
- Gtkballs - Lines-like simple logic game for X Window System
- Gtkevemon - Skill monitoring standalone application for EVE Online
- Gtkradiant - Map editor for FPS games, by id Software and Loki Software
- Gtypist - Interactive typing tutor
- Gunfudeadlands - Far West themed 2D shooter featuring bullet time
- Gzdoom - GL-enhanced source port for Doom-engine games
- Hangman - Challenge your spelling skills in the old western style
- Hedgewars-server - Server part of free Worms-like turn based strategy game
- Hedgewars - Free Worms-like turn based strategy game
- Help_hannahs_horse - Pacman with a fast food twist
- Heretic - Unix source-port of the famous Heretic game by id Software
- Heroes - Game of yore similar to the "Tron" and "Nibbles"
- Hex-a-hop - Puzzle game based on hexagonal tiles
- Hexalate - Color matching game
- Hexxagon - Strategy hexagon game
- Highmoon - Duel in the universe
- Hinversi - Reversi/Othello clone
- Hitori - Hitori
- Hllib - Library to work with various Half-Life file formats
- Hohlin - Remake of the classic spectrum game Head over Heels
- Hoichess - Not-so-very-strong chess engine
- Holotz-castle - Platform game with high doses of mystery
- Hoverboard-sdl - Standalone version of xkcd 1608 "Hoverboard" game
- Hs-scroll - Roguelike game
- Hypatia_engine - Game engine for 2D top-down, tile-based action RPGs
- Hyperrogue - Roguelike in a non-euclidean world
- Iagno - Iagno
- Icbm3d - Inter-Continental Ballistic Missiles, 3D
- Icebreaker - Game similar to Jezzball or Barrack
- Iceicepenguin - Remake of an old SEGA Dreamcast game called Chu Chu Rocket
- Impossible_mission_puzzle - Puzzle from the old C64 Impossible Mission game
- Inform7 - Inform 7 programming language (CLI edition)
- Instead - Simple Text Adventure, The Interpreter
- Interlogic - Move colored balls through the maze connecting it with each other
- Ioquake3-server - Ioquake3 dedicated server
- Ioquake3 -
- Iortcw - Game engine for Return to Castle Wolfenstein
- Iqpuzzle - Diverting I.Q. challenging pentomino puzzle
- Irrlamb -
- Ishido - Tile placement game
- Ivan - Graphical roguelike game
- Jaggedalliance2 - Port of "Jagged Alliance 2" using SDL
- Java-games-suite - Simple Java games collection
- Jchessboard - Chess game and PGN viewer/editor written in Java
- Jfk - Multiplayer 2D shoot'em up game
- Jfsw - Jonathon Fowler's Shadow Warrior Port
- Jigsaw - Simulates a jigsaw puzzle and illustrates the use of clipping paths
- Jigzo - OpenGL jigsaw puzzle game
- Jin - Graphical client for chess servers
- Jinput - Java Game Controller API
- Joequake - Improved NQ engine with ZQuake and FuhQuake graphical effects
- Jtans - Ancient puzzle
- Julius - Open source re-implementation of Caesar III
- Jumpnbump - Play cute bunnies jumping on each other's heads
- Jumpy - Tactical 2D shooter in fishy pixels style
- Jutils - Common utilities for Java Game Technology Group projects
- Jvgs - Minimalistic platform game
- Jzip - Text-mode Infocom game interpreter
- Kajaani-kombat - Funny multiplayer game... and much more
- Kanagram - Letter order game for KDE
- Kanatest - Japanese kana (Hiragana and Katakana) simple flashcard tool
- Kapman -
- Kartofel - Connect the dots in order without crossing over yourself
- Katawa-shoujo - Bishoujo-style visual novel about disabled adolescents
- Katomic -
- Kblackbox -
- Kblocks -
- Kbounce -
- Kbreakout -
- Kdegames - Games for KDE (meta port)
- Kdiamond -
- Keeperrl - Ambitious dungeon builder with roguelike elements
- Kevedit - Modern ZZT editor with necessary features
- Kfourinline -
- Kgoldrunner -
- Khangman - Hangman game for KDE 4
- Kigo -
- Kiki - Kiki the nanobot is a 3-D puzzle game
- Killbots -
- Kiriki -
- Kjumpingcube -
- Klavaro - Touchtyping trainer
- Klickety -
- Klines -
- Klondike - Solitaire game for X11
- Kmahjongg -
- Kmines -
- Knavalbattle -
- Knetwalk -
- Knights - KDE chess interface
- Kobodeluxe - SDL port of the scrolling game XKobo
- Kodi-addon-game.libretro.beetle-psx - Kodi game addon for Sony - PlayStation (Beetle PSX)
- Kodi-addon-game.libretro.fceumm - Kodi game addon for NES / Famicom (FCEUmm)
- Kodi-addon-game.libretro.genplus - Kodi game addon for Sega - MS/GG/MD/CD (Genesis Plus GX)
- Kodi-addon-game.libretro - Libretro compatibility layer for the Kodi Game API
- Kodi-addon-game.libretro.pcsx-rearmed - Kodi game addon for Sony - PlayStation (PCSX ReARMed)
- Kodi-addon-game.libretro.picodrive - Kodi game addon for Sega - MS/MD/CD/32X (PicoDrive)
- Kolf -
- Kollision -
- Konquest -
- Kpat -
- Krank - Little casual game
- Kreversi -
- Kshisen -
- Ksirk -
- Ksnakeduel -
- Kspaceduel -
- Ksquares -
- Ksudoku -
- Ktuberling -
- Kubrick -
- Kuklomenos - Simple but challenging abstract shoot-em-up game
- Kye - Puzzle game with arcade game elements
- Ladder - The old "ladder" game
- Lander - Lunar Lander clone
- Lapispuzzle - Tetris-like game for GNUstep
- Lbreakout - Nice clone of classical Breakout game
- Lbreakout2 - Breakout-style arcade game
- Lbreakouthd - Breakout-style arcade game
- Ldmud - Modern version of the LPMud game driver
- Leela-zero - Go engine without human-provided knowledge based on AlphaGo Zero paper
- Legend-of-edgar -
- Legesmotus - Team-based, networked, 2D shooter set in zero-gravity
- Lexter - Real-time word puzzle for text terminals
- Lgeneral - Turn-based strategy engine inspired by Panzer General
- Libgnome-games-support - Small library intended for internal use by GNOME Games
- Libkdegames - Libraries used by KDE games
- Libkmahjongg - Library for the Mahjongg Solitaire for KDE 5
- Liblcf - Library to handle RPG Maker 2000/2003 and EasyRPG projects
- Libmaitretarot - Core library of MaitreTarot, a Tarot card game
- Libmanette - Simple GObject game controller library
- Libmt_client - Client-side library of MaitreTarot, a Tarot card game
- Libretro-2048 - Port of 2048 puzzle game to the libretro API
- Libretro-a5200 - Port of Atari 5200 emulator for GCW0
- Libretro-beetle_bsnes - Standalone port of Mednafen bSNES to libretro
- Libretro-beetle_gba - Standalone port of Mednafen GBA to libretro
- Libretro-beetle_lynx - Standalone port of Mednafen Lynx to libretro, itself a fork of Handy
- Libretro-beetle_ngp - Standalone port of Mednafen NGP to the libretro API
- Libretro-beetle_pce - Standalone port of Mednafen PCE to libretro
- Libretro-beetle_pce_fast - Standalone port of Mednafen PCE Fast to libretro
- Libretro-beetle_pcfx - Standalone port of Mednafen PCFX to libretro
- Libretro-beetle_psx - Standalone port/fork of Mednafen PSX to the Libretro API
- Libretro-beetle_saturn - Standalone port of Mednafen Saturn to libretro
- Libretro-beetle_supergrafx - Standalone port of Mednafen supergrafx to libretro
- Libretro-beetle_vb - Standalone port of Mednafen VB to libretro
- Libretro-beetle_wswan - Standalone port of Mednafen WonderSwan to libretro
- Libretro-bluemsx - Port of blueMSX to the libretro API
- Libretro-cap32 - Amstrad CPC computers emulator core for libretro API
- Libretro-core-info - Metadata about libretro cores
- Libretro-desmume2015 - Port of Desmume to libretro based on Desmume SVN circa 2015
- Libretro-dosbox - Port of DOSBox (upstream) to the libretro API
- Libretro-emux - Cross-platform emulator project supporting various machines
- Libretro-fbalpha - Final Burn Alpha port for libretro
- Libretro-fbneo - Final Burn Alpha fork for libretro
- Libretro-fceumm - Unofficial build of FCEU Ultra by CaH4e3
- Libretro-fmsx - Port of fMSX to the libretro API
- Libretro-freeintv - Libretro emulation core for the Mattel Intellivision
- Libretro-fuse - Port of the Fuse Unix Spectrum Emulator to libretro
- Libretro-gambatte - Libretro Implementation of libgambatte, a Game Boy Color emulator
- Libretro-genesis_plus_gx - Enhanced port of Genesis Plus
- Libretro-gpsp - Gameboy emulator for libretro
- Libretro-gw - Libretro core for Game & Watch simulators
- Libretro-handy - Atari Lynx emulator Handy for Libretro
- Libretro-hatari - Atari ST/STE/TT/Falcon emulator
- Libretro-mame2000 - MAME (0.37b5) for libretro
- Libretro-mame2003 - MAME 0.78 for libretro
- Libretro-mame2003_plus - Updated MAME 0.78 for libretro with added game support
- Libretro-melonds - Port of melonDS to libretro
- Libretro-mgba - Game Boy Advance Emulator for libretro
- Libretro-mu - PalmOS emulator to the libretro API
- Libretro-nestopia - NEStopia emulator for libretro
- Libretro-nxengine - Cave Story game engine clone for libretro
- Libretro-o2em - Port of O2EM to the libretro API, an Odyssey 2 / VideoPac emulator
- Libretro-opera -
- Libretro-paralleln64 - Improved Nintendo 64 core for libretro
- Libretro-pcsx_rearmed - Fork of PCSX with ARM optimizations
- Libretro-picodrive - Fast MegaDrive/MegaCD/32X emulator
- Libretro-play - Play! - PlayStation 2 Emulator
- Libretro-prboom - Port of prboom to libretro
- Libretro-prosystem - Port of ProSystem to the libretro API
- Libretro-px68k - SHARP X68000 libretro core
- Libretro-quicknes - NES emulator core for libretro
- Libretro-scummvm - ScummVM with libretro backend
- Libretro-shaders-glsl - Collection of GLSL shaders for libretro
- Libretro-shaders-slang - Collection of slang (Vulkan) shaders for libretro
- Libretro-snes9x - Snes9x - Portable Super Nintendo emulator
- Libretro-snes9x2005 - Snes9x - Portable Super Nintendo emulator (1.43)
- Libretro-snes9x2010 - Snes9x - Portable Super Nintendo emulator (1.52)
- Libretro-stella2014 - Port of Stella (Atari 2600) to libretro (2014)
- Libretro-tgbdual - Open-source GB/GBC emulator with game link support
- Libretro-tyrquake - Libretro port of Tyrquake (Quake 1 engine)
- Libretro-uae - Libretro port of UAE
- Libretro-vbanext - Optimized port of VBA-M to Libretro, a Game Boy Advance emulator
- Libretro-vecx - Vectrex emulator for libretro
- Libretro-virtualjaguar - Port of Virtual Jaguar to Libretro
- Libretro-xrick - Libretro implementation of "Rick Dangerous"
- Libretro-yabause - Saturn emulator for libretro
- Libretro - Meta-port for libretro cores
- Libshhcards - Library for displaying game cards on X Window System
- Libtmcg - C++ library for creating secure and fair online card games
- Lightsoff - Gnome ligthsoff
- Lightyears - Steampunk-themed strategy game manage a steam supply network
- Lincity-ng - Improved rich city simulation game for X
- Lincity - Rich city simulation game for X
- Linux-darwinia-demo - Real-time action strategy with programs
- Linux-defcon - Defcon for Linux
- Linux-doom3-demo - DOOM III demo for Linux
- Linux-doom3 - Doom III for Linux
- Linux-dwarffortress - Dwarven fortress building game with ASCII graphics (Linux version)
- Linux-enemyterritory-jaymod-21 - Jaymod - An Enemy Territory Modification
- Linux-enemyterritory-jaymod - Jaymod - An Enemy Territory Modification
- Linux-enemyterritory-omni-bot-0660 - Omni-Bot is a bot for Enemy Territory
- Linux-enemyterritory-omni-bot - Omni-Bot is a bot for Enemy Territory
- Linux-enemyterritory-shrub - Shrub - An Enemy Territory Modification
- Linux-enemyterritory-tce - Modern tactical Enemy Territory modification
- Linux-enemyterritory - Wolfenstein Enemy Territory (Linux version)
- Linux-etqw-demo-server - Enemy Territory QUAKE Wars Demo Server for Linux
- Linux-etqw-server - Enemy Territory QUAKE Wars Server for Linux
- Linux-nerogame - Neuro evolving robotic operatives the game
- Linux-nwnclient - Neverwinter Nights Linux (x86) Client
- Linux-quake3-demo - Quake III Arena Demo
- Linux-quake3 - Quake III Arena for Linux
- Linux-quake4-demo - Quake 4 for Linux Demo
- Linux-quake4 - Quake 4 for Linux
- Linux-ssamtfe - Serious Sam The First Encounter
- Linux-ssamtse - Serious Sam The Second Encounter for Linux
- Linux-steam-utils - Steam launcher for FreeBSD
- Linux-unrealgold - Unreal Gold for Linux
- Linux-uplink-demo - High tech computer crime and industrial espionage on the Internet
- Linux-ut - Unreal Tournament for Linux
- Linux-ut2003-demo - Unreal Tournament 2003 demo
- Linux-virtual-jay-peak - Simulation of snowboarding at the Jay Peak resort in Vermont
- Linwarrior - Navigate a mech through a 3D world and fire at enemies
- Liquidwar - You control an army of liquid and have to try and eat your opponents
- Lizzie - Leela Zero Interface GUI for the Go game
- Lm-solve - Computerized Solver for Logic Mazes
- Lmarbles - Atomix-like game of moving marbles in puzzles
- Lmpc - Tools to manipulate some FPS games demo recordings
- Lolcat - High performance implementation of the famous lolcat
- Lordsawar - Warlords II clone
- Lpairs - Classical memory game
- Lskat -
- Ltris - Tetris clone but a good one with bunch of cool features
- Lugaru -
- Luola -
- Lwjgl - Lightweight Java Game Library
- Macopix - Window sitter for X11
- Madbomber - Clone of Activision's classic Atari 2600 console game "Kaboom!"
- Maelstrom - Asteroids-style game for X Window System
- Magiccube4d - Four-dimensional analog of Rubik's cube
- Magicor - Old-school, puzzle game similar to Solomon's Key
- Mahjong - Networked Mah Jong program, together with a computer player
- Maitretarot - Server side of MaitreTarot, a Tarot card game
- Manaplus - Free open source 2D MMORPG client for athena and evol servers
- Mancala - Implementation of the simple board game called Mancala
- Mangband - Free online multiplayer real-time roguelike game
- Marblemarcher - Marble Marcher Community Edition
- Mari0 - Nintendo\'s Super Mario Bros and Valve\'s Portal at same time
- Marsnomercy - Turn-based strategy game setting on Mars
- Masterserver - Masterserver for IdSoftware games (D3, EF, H2, Q2, Q3, QW)
- Maxr - Mechanized Assault and Exploration Reloaded
- Meandmyshadow - Me and My Shadow puzzle/platform game
- Megaglest-data - MegaGlest data files
- Megaglest - Open source 3D real-time strategy game
- Megamario - Super Mario Bros 1 clone
- Melonds - Nintendo DS emulator
- Memonix - Brain teasers, puzzle, and memory games for kids in one pack
- Meqcc - MrElusive's QuakeC compiler with precompiler support
- Meritous - Action-adventure dungeon crawl game
- Mindfocus - Lovely characters stay on top of active window
- Minecraft-client - Client for the block building game
- Minecraft-server - Dedicated server for the game Minecraft
- Minerbold - Remake of Bolder Dash from BK-0010 with INSTEAD engine
- Minetest - Near-infinite-world block sandbox game
- Minetest_game - The main game for the Minetest game engine
- Minetestmapper - Generate an overview image of a minetest map
- Minilens - Puzzle platformer for gravity-oblivious aliens
- Mirrormagic - Arcade style game with stereo sound for X Window System
- Miscom - Atari "Missile Command" clone
- Mkhexgrid - Fully-configurable hex grid generator
- Moagg - Pilot a small space ship
- Monsterz - Arcade puzzle game
- Moon-buggy - Drive a buggy across the moons surface
- Moonlander - Land a spacecraft on the moon
- Moonlight-embedded - Gamestream client
- Mopesnake - Classic snake game in which you attempt to eat all the pain
- Moria - Dungeon exploration game
- Motogt -
- Mrboom -
- Mt_dolphin_ia -
- Mt_gtk_client -
- Mtaserver - Multi Theft Auto Vice City and GTA3 dedicated server
- Multimc - Minecraft launcher with the ability to manage multiple instances
- Mvdsv -
- Ninvaders - Space Invaders clone for ncurses
- Nadar - Network tank battle game
- Naev-data - Naev game data file
- Naev -
- Narcissu2 - Visual novel about an encounter of terminally ill
- Nazghul - Computer role-playing game engine
- Nbsdgames -
- Nehquake - Quake engine designed for playing Nehahra
- Nelly - Nelly's Rooftop Garden, physics-based puzzle game
- Neo-cowsay - Neo Cowsay written in Go
- Neo -
- Nethack32 - Dungeon explorin', slashin', hackin' game
- Nethack33-nox11 -
- Nethack33 - Dungeon explorin', slashin', hackin' game
- Nethack34-nox11 -
- Nethack34 - Dungeon explorin', slashin', hackin' game
- Nethack36-nox11 -
- Nethack36 - Dungeon explorin', slashin', hackin' game
- Netherearth - Remake of the first real time strategy game on the SPECTRUM
- Netpanzer - Real time, isometric view, tank multiplayer strategy game
- Netradiant - Fork of GtkRadiant v1.5 FPS games map editor
- Netrek-brmh-bin -
- Netrek-client-cow - Multi-player battle simulation with a Star Trek theme
- Nettoe - Tic tac toe game playable over the network
- Netwalk - Game where the object is to connect every terminal to the main server
- Neverball - Tilt the floor to guide a ball through an obstacle course
- Newvox - Voxel-style landscape rendering fly-by
- Nextgo - Classic Go game for OPENSTEP/GNUstep
- Nexuiz - Fast-paced, chaotic, and intense multiplayer first person shooter
- Nighthawk - X11 shoot-'em up which requires some lateral thinking
- Nimuh - Puzzle game destined to improve the knowledge of Andalusia
- Ninix-aya - Desktop mascot program compatible with "Ukagaka"
- Njam - Fast paced multiplayer pac-man clone
- Nlarn - Roguelike game and as such a remake of the classic game Larn
- Nonsense - Nonsense text generator
- Npush - Curses-based logic game similar to Sokoban and Boulder Dash
- Nsnake - Snake game written in C and ncurses
- Nuclearchess - Chess variant designed to be short and fun for all players
- Numptyphysics-npcomplete - Level pack for Numpty Physics
- Numptyphysics - Drawing physics-based puzzle game
- Nwndata - Neverwinter Nights Data Files
- Nxengine - Engine-rewrite of the classic platformer Cave Story
- Oblige - Random map generator for classic FPS games
- Odamex - Client/server multiplayer engine for Doom
- Oldrunner - Textmode remake of Broderbund's LodeRunner
- Omega - Complex rogue-style game of dungeon exploration
- Oneisenough - Economic development in the land of the balls
- Oneko-sakura - Cat, Sakura or Tomoyo chasing a mouse all over the screen
- Oneko - Cat chasing a mouse all over the screen
- Onscripter-1byte - ONScripter with ${ENGLISH_DESCtl} support
- Onscripter -
- Oolite -
- Oonsoo - Solitaire card game for X
- Open-adventure - Modernized version of the original Colossal Cave Adventure game
- Openage - Free engine clone of the Genie Engine
- Openalchemist - Tetris-like game
- Openarena-data - OpenArena game data files
- Openarena-oax - OpenArena Mod OpenArena Xpanded
- Openarena-server - OpenArena dedicated server
- Openarena - Quake3 total conversion based on the ioquake3 engine
- Openbor -
- Openbor3482 -
- Openbor3711 -
- Openbor3979 -
- Openbor4432 -
- Openbubbles - Clone of Evan Bailey's game Bubbles
- Openbve - Realistic 3D train/railway simulator
- Opencity - Free 3D city simulator
- Openclaw - Reimplementation of Captain Claw (1997) platformer
- Openclonk - Multiplayer action game involving small and nimble humanoids
- Openenroth - Open reimplementation of Might and Magic VI-VIII game engine
- Openfodder - Open source port of Cannon Fodder
- Opengfx - Free alternative graphics for OpenTTD game engine
- Openglad - SDL port of an old DOS game called Gladiator
- Openjazz - Free re-implementation of the Jazz Jackrabbit(tm) game engine
- Openjk - Community effort to maintain Jedi Academy + Jedi Outcast
- Openlierox - Extremely addictive realtime worms shoot-em-up
- Openmortal - Parody of the once popular coin-up fighting game, Mortal Kombat
- Openmsx - Free alternative music for OpenTTD game engine
- Openmw - Unofficial open source engine reimplementation of the game Morrowind
- Openomf - Rewritten engine for One Must Fall 2097
- Openra - Multiplayer re-envisioning of early RTS games by Westwood Studios
- Openrct2 - Open source re-implementation of RollerCoaster Tycoon 2
- Opensfx - Free alternative sounds for OpenTTD game engine
- Opensonic - Game based on the "Sonic the Hedgehog" universe
- Openspades - Compatible client of Ace of Spades
- Openssn - Modern submarine simulator
- Opensurge - Game based on the Sonic the Hedgehog universe
- Openttd - Open source clone of Microprose Transport Tycoon Deluxe
- Opentyrian - Arcade-style vertical scrolling shooter
- Openxcom - Open-source reimplementation of the original X-Com
- Openyahtzee - Full-featured classic dice game Yahtzee
- Orbital_eunuchs_sniper - Overhead shooting game
- Orthorobot - Perspective puzzle game
- Osgg - OldSkool Gravity Game
- Outerspace - On-line strategy game
- P5-acme-guessnumber - Automatic number guessing game robot
- P5-algorithm-pair-best2 - Select tournament pairings
- P5-algorithm-pair-swiss - Generate unique pairings for tournaments
- P5-baseball-sabermetrics - Baseball Statistics Module
- P5-games-alak - Simple game-tree implementation of a gomoku-like game
- P5-games-alphabeta - Game-tree search with object oriented interface
- P5-games-bingo-bot - Simple class holding IRC related methods for bingo
- P5-games-bingo-print - Perl class for PDF generation
- P5-games-bingo - Bingo game Perl implementation
- P5-games-dice - Perl module to simulate die rolls
- P5-games-guessword - Guess the letters in a word (ie Hangman)
- P5-games-tournament-roundrobin - Round-Robin Tournament Schedule Pairings
- Pachi-game-engine - Fairly strong Go/Baduk/Weiqi playing program
- Pachi - Platform game similar to Manic Miner
- Pacmanarena - Pacman clone in full 3D with a few surprises
- Palapeli -
- Palomino - Action flight simulation computer program using OSG
- Pangzero - Clone of Super Pang
- Passage - Experimental video game by Jason Rohrer
- Patapizza-tetris - Unofficial clone of the original Tetris game
- Pathological - Enriched clone of the game "Logical"
- Pcgen - Java-based RPG character generator and maintenance program
- Pear-games_chess - PEAR methods for constructing and validating chess games in PGN
- Peg-e - Peg elimination game
- Pengpong - Cross-platform pong game written in SDL
- Penguin-command - Clone of the classic game Missile Command
- Pengupop - Online multiplayer clone of Bust a Move
- Pentobi - Computer opponent for the board game Blokus
- Phalanx - Xboard-compatible chess playing program
- Phlipple - Flipping squares will never be the same
- Picmi -
- Pinball - Emilia Pinball is a free pinball game
- Pingus - Free Lemmings-like game
- Pink-pony - Tron-like multiplayer racing game
- Pioneer - Space adventure game set in the Milky Way galaxy
- Pioneers - Internet playable version of the Settlers of Catan
- Pipenightdreams - Puzzle game similar to PipeMania
- Pipepanic - Pipe connecting game using libSDL
- Pipewalker - Clone of the NetWalk game
- Pmars-sdl - Port of pMARS using the Simple Directmedia Library
- Pmars - Portable corewar system with ICWS'94 extensions
- Pokerth - Poker game written in C++/Qt
- Polyglot - Winboard protocol to UCI protocol adapter
- Pongix - Free pong-like game
- Ponscripter-07th-mod - NScripter-like novel-game interpreter with Unicode support
- Popstar - Simple puzzle game involving floating stars
- Powder-toy-devel -
- Powder-toy -
- Powder - Graphical dungeon crawling game
- Powermanga - Arcade 2D shoot-em-up
- Powwow - Client to play MUDs
- Prboom-plus - Fork of the prboom Doom game engine
- Prboom - Multiplayer-capable and modified version of ID's classic DOOM game
- Primateplunge - Primate Plunge is an arcade game
- Ptkei - Python/Tk graphical client for Wolfpack Empire servers
- Puckman - Unofficial clone of the original Pac-Man game
- Punchy -
- Pvpgn - Free Blizzard Battle.net emulation software
- Py-2048-py - Console version of the 2048 game written in Python
- Py-cbeams - Draw pretty animated colored circles in the terminal
- Py-discord.py - API wrapper for Discord written in Python
- Py-fife - Flexible Isometric Free Engine
- Py-mnemosyne - Flash-card tool which optimises your learning process
- Py-poker-eval - Python adaptor for the poker-eval toolkit
- Py-pychess - GTK chess client written in Python
- Py-pysol-cards - Deal PySol FC Cards
- Py-sgflib - Smart Game Format parser library for Python
- Py-sgfsummary - SGF Summarizer
- Pycadia - Home to vector gaming, Python style
- Pydance - Dancing simulation game similar to the kind in arcades
- Pyfa - Fitting tool for EVE Online
- Pysolfc-cardsets - Collection of free cardsets adapted for use with PySolFC
- Pysolfc - Solitaire game, written in Python and the successor of PySol
- Pyspacewar - Game loosely based on the original Spacewar!
- Pysycache - Educational software made in python
- Pythonchess - Small program for playing chess against the computer
- Pythonsudoku - Text and graphical program to create or resolve Sudokus
- Pytowerdefense - Tower Defense Game
- Q2p - Enhanced OpenGL-only Quake II engine
- Q2pro - Quake II engine modification compatible with R1Q2
- Q3cellshading - Quake III engine with Cell Shading capabilities
- Qcc - QuakeC compiler, for building custom games of Quake
- Qccx - Fast optimizing QuakeC compiler
- Qnetwalk - Game for system administrators
- Qonk - Small space build and conquer strategy game
- Qqwing - Sudoku generating and solving software
- Qstat - Command-line program to query game servers on the net
- Quadra - Tetris like game with multiplayer support
- Quadrapassel - Gnome quadrapassel
- Quake-data - Quake data files
- Quake-dpmod - Quake 1 modification (for DarkPlaces)
- Quake-source - Quake game source code
- Quake2-3zb2 -
- Quake2-ctf - Quake II CTF (Capture The Flag) mod
- Quake2-data - Quake II data files
- Quake2-extras - Quake II extras (high quality textures and skins)
- Quake2-lights - Lights and weapon effects modification for Quake II
- Quake2-matrix - Matrix modification for Quake II
- Quake2-psychomod - Psychomod modification for Quake II
- Quake2-relay - Quake II multi-view demo recording facility
- Quake2-rogue - Quake II Ground Zero (Rogue) official mission pack
- Quake2-source - Quake II game source
- Quake2-xatrix - Quake II The Reckoning (Xatrix) official mission pack
- Quake2lnx - Icculus.org version of the original Quake II
- Quake2max - OpenGL-only Quake II engine modification
- Quake3-data - Quake III Arena data files
- Quake3-excessive - Quake III Arena Mod Excessive
- Quake3-osp - Quake III Arena mod OSP Tourney DM/CA/CTF
- Quake3-ut - Quake III Arena mod Urban Terror
- Quake3-wfa - Quake III Arena mod Weapons Factory Arena
- Quake3 - Quake III Arena -- first person shooter (native build)
- Quakeforge - Cleaned up copy of the GPL'ed Quake 1 source code
- Quantumminigolf - Computer game visualizing quantum mechanics
- Quaqut - Queries information from Unreal Tournament 2004 game servers
- Qudos - Enhanced OpenGL-only Quake II engine
- Quetoo - Fast, stable, compatible, and secure Quake II client
- Quit - Bicycle with trailers like "sl"
- Qwdtools - Convert QuakeWorld demos from QWD format to MVD format
- R1q2 - Enhanced Quake II client/server focusing on stability
- Railroad-rampage - Tower Defence-like Arcade and Strategy combination
- Rawgl - Another World engine reimplementation
- Re3 - Reverse-engineered GTA3 engine
- Redeclipse-data - Data files for Red Eclipse first-person shooter
- Redeclipse-data16 - Data files for Red Eclipse first-person shooter
- Redeclipse - Single-player and multi-player first-person ego-shooter
- Redeclipse16 - Single-player and multi-player first-person ego-shooter
- Redorblack - Simple card game to test fortune and probability theory
- Regoth - Reimplementation of zEngine, the Gothic and Gothic II engine
- Reminiscence - Rewritten engine for Flashback
- Renpy - Framework for developing visual-novel type games
- Renpy6 -
- Rescue - Action adventure in Space
- Residualvm - ResidualVM allows you to indulge with classic games like Grim Fandango and Myst III
- Retroarch-assets - Graphical assets and official branding for RetroArch
- Retroarch - Cross-platform entertainment system based on libretro API
- Rezerwar - Puzzle game involving organizing blocks with pipes
- Rfksay - Generates a kitten finding robot with a text bubble
- Ri-li - Drive a toy wood train in many levels - snake-like arcade game
- Rlvm - RealLive virtual machine clone
- Rnd_jue - Colorful Boulderdash'n'Emerald Mine'n'Sokoban'n'Stuff jue
- Robocode-naval - Game for learning Java[tm] programming language
- Robocode - Game for learning Java[tm] programming language
- Robotfindskitten - Yet another zen simulation
- Rockdodger - Addictive rock-dodging greeblie-killing platform game
- Rocksndiamonds-data - Additional Player Levels for Rocks'n'Diamonds and R'n'D jue
- Rocksndiamonds - Colorful Boulderdash'n'Emerald Mine'n'Sokoban'n'Stuff
- Rottdc - Apogee's Rise Of The Triad source port
- Rpg-cli - Your filesystem as a dungeon
- Rtb - Robot programming game for UNIX
- Rubix - Another Rubik's cube game with a rather interesting interface
- Rubygem-fortune_gem - Unix fortune program, implemented as a ruby gem
- Rubygem-lolcat - Rainbows and unicorns
- Rubygem-vimgolf - CLI client for vimgolf.com
- Runelite - Open source Old School RuneScape client
- Sampsvr - Rockstar's GTA San Andreas multiplayer modification dedicated server
- Sarien - Sierra AGI games interpreter
- Sauerbraten - First person shooter based on Cube
- Scare - ADRIFT-compatible interactive games interpreter
- Schiff - Steer your ship(s) with the keyboard
- Schwarzweiss - Tank game for 2 players
- Scid - Free chess database application
- Scourge-data - S.C.O.U.R.G.E data files
- Scourge - Rogue-like game
- Scramble - From 6 letters you are to create as many words as you can
- Scummvm-tools - Tools for use with the SCUMMVM game emulator
- Scummvm - Interpreter for several adventure games
- Sdb - Futuristic overhead shooter
- Sdl-ball - Arkanoid/Breakout clone with pretty graphics
- Sdl-sopwith - Classic WW1 biplane game
- Sdl_jewels - Tile-matching 8x8 puzzle game
- Sdl_lopan - Mahjong game remake
- Sdl_scavenger - Lode Runner like game
- Sdlpop - Open-source port of Prince of Persia
- Sdlroids - Enhanced shoot-the-asteroids game
- Sdlsand - Simulation of falling sand and other materials
- Sea-defender - Simple missile command clone
- Seabattle - Curses based battleship type game
- Seahaven - The classic, lightweight version of Seahaven Towers
- Searchandrescue-data - The data files for SearchAndRescue flight simulator
- Searchandrescue - Flight simulator in which the player rescues people
- Secrettower - Save princess Ericia in this 2D platform game
- Senken - City simulation game
- Sets - Implementation of the sets game
- Sex - Spouts silly mad-lib-style porn-like text
- Sgt-puzzles - Simon Tatham's Portable Puzzle Collection
- Shaaft - OpenGL 3D falling block game similar to Blockout
- Shockolate - Open source and cross-platform remake of a cult game System Shock
- Shootingstar - SDL/OpenGL top-down shooter
- Simplevaders - Space-Invaders like 2D space shooter
- Simsu - Basic Sudoku game
- Simutrans-pak128.german - German graphics set for Simutrans
- Simutrans-pak128 - High resolution graphics set for Simutrans
- Simutrans-pak64 - Low resolution graphics set for Simutrans
- Simutrans - Transportation simulator
- Sjeng - Chess engine supporting chess variations
- Ski - Skiing simulation with curses interface in python
- Sl - Steam locomotive runs across the screen if you type "sl"
- Slade - Modern editor for Doom-engine based games and source ports
- Slashem-tty - Dungeon explorin', slashin', hackin' game
- Slump - Fork of SLIGE that is optimized for making FreeDoom maps
- Slune -
- Sokoban -
- Sokobano - Entertaining Sokoban game with nice 3D graphics
- Sol - Solitaire card game for X Window System
- Solarconquest - Space 2D action game with plenty of shooting
- Solarus-quest-editor - GUI to create and modify quests for the Solarus engine
- Solarus - Zelda-like 2D game engine
- Solarwolf - Action/arcade game originally based of SolarFox on the Atari 2600
- Solver - Math training game using C and SDL2
- Spacejunk - Video game about traveling in 2D planetary systems
- Speak - Generates random middle-management synergy speak
- Species - Corewars evolver - generates warriors using genetic algorithms
- Spellcast - Multiplayer fight with spells turn based game for X Window System
- Spicetrade - Colourful 14th century Arab spice trading game
- Spider - Challenging double decked solitaire game
- Spring - Project aiming to create a new and versatile RTS Engine
- Springlobby - Cross-platform lobby client for the Spring RTS project
- Starfighter - Liberate the universe from the evil company WEAPCO
- Starlanes - Classic space-age stock trading game
- Steelstorm - Old school top down arcade shooter
- Stendhal -
- Stockfish - Open source chess engine
- Stonesoup-sdl -
- Stonesoup - Dungeon Crawl Stone Soup - a fun, free rogue-like game
- Stormbaancoureur - Simulated obstacle course for automobiles
- Stratagus - Free cross-platform real-time strategy gaming engine
- Stuntrally -
- Sudoku_solver - Sudoku Solver in C
- Sudsol - Utility to solve Sudoku puzzles
- Super_mario_bros_python - Clone of the original Super Mario Bros
- Supertux - Side-scroller game similar to Super Mario Brothers
- Supertux2 - Side-scroller game similar to Super Mario Brothers
- Supertuxkart - Free 3D kart racing game
- Suyimazu - Wine-based Application Launcher for FreeBSD
- Swell-foop - Gnome swell-foop
- Sxsame - Tile-removing puzzle game for the X Window system
- Tads - TADS compiler/interpreter for interactive fiction
- Taipan - Classic role-playing game from the 1980s
- Taisei - Open source Touhou clone
- Tali - Gnome tali
- Tanglet - Single player word finding game based on Boggle
- Tanks-of-freedom - Indie Turn Based Strategy in Isometric Pixel Art
- Tbclock - Binary clock in curses
- Tecnoballz - Brick breaker (Arkanoid-like game)
- Teeworlds - Platform game featuring buggers equipped with weapons
- Tenebrae - Quake engine with lighting similar to that in Doom III
- Tesseract-data - Data files for Tesseract first-person shooter
- Tesseract - Smooth FPS with map editing, instagib, DM and CTF
- Tetrinet-x - Addictive 6 player tetr*s game
- Tetrinet - Console tetrinet client
- Tetrons - Tetris(TM) clone for X11
- Tetzle - Jigsaw puzzle with tetrominoes
- Textmaze - Generates mazes on a text terminal and lets you traverse them
- Thegrind - Simple game about escaping from work
- Thudboard - The Discworld Boardgame Board
- Tileworld - Emulation of the game "Chip's Challenge"
- Tkmoo - Tk-based M** client with scripting support
- Tmatrix - Terminal based replica of the digital rain from The Matrix
- Tomatoes - Tomato-smashing, Q-Bert style
- Tome4-beta -
- Tome4 - Epic tactical turn-based roguelike adventure
- Tomenet - Online multiplayer rogue-like role-playing game
- Tong - Tetris and Pong in the same place at the same time
- Toppler - Climb a tower and avoid monsters
- Torcs - Free, open-source racing car simulator
- Tornado - Ccurses-based game of weather destruction
- Torrent - Score points without letting the tiles touch the top of the board
- Toycars - Physics-based 2D racing game
- Trackballs - SDL-based Marble Madness clone
- Tractorgen - Generates ASCII tractors
- Traingame - Game about Trains
- Tremulous - Free FPS game featuring two opposing teams humans and aliens
- Trenchbroom - Cross-platform level editor for Quake-engine based games
- Trigger-rally - Rally car racing game
- Trimines - Mine sweeper game that uses triangles instead of squares
- Triplane - Port of the original Triplane Turmoil game
- Trojka - Game of skill
- Tsito - Chinese chess (Xiangqi) program
- Tt - Tetris for Terminals
- Ttt - Simple one or two player Tic Tac Toe game
- Tty-solitaire - Play solitaire in your terminal
- Tux-aqfh - Tuxedo The Penguin A Quest for Herring
- Tuxfighter - Little Asteroids-like Shooter game
- Tuxkart - Racing game starring Tux
- Tuxpaint-config - Graphical tool to change TuxPaint settings
- Tuxpaint-fonts - TuxPaint Localized Fonts
- Tuxpaint-stamps - TuxPaint Stamps
- Tuxpaint - Drawing program designed for young children
- Tuxracer -
- Tuxtype - Educational typing tutor starring Tux the Linux Penguin
- Twind - Match and remove all of the blocks before time runs out
- Twitch - Overhead 2-d shooter, reminiscent of games like Robotron
- Tycho - Program to gather data (statistics) on Core War warriors
- Typespeed - Test your typing speed and get your fingers' CPS
- Tyrian-data - Data files for opentyrian
- Ufoai-data - UFO alien invasion data files
- Ufoai - Strategy game featuring tactical combat
- Uhexen - Yet another port of Hexen, popular game from Raven Software
- Uhexen2-extras - Hexen II source port extras (demos, mods, etc)
- Uhexen2 - Hexen II source port supporting Linux/FreeBSD/Unix/Windows
- Ultimatestunts - Racing game with elaborate stunts
- Umark - Unreal Tournament 200x series benchmark utility
- Unknown-horizons - Real time simulation game
- Unnethack - New variant of NetHack
- Untahris - Play several classic fun, simple arcade games in multiplayer mode
- Uqm - Space exploration game The Ur-Quan Masters
- Urbanterror-data - Standalone realism based mod originally for Quake III Arena
- Valyriatear - Open Source J-RPG based on the Hero of Allacrost engine
- Vamos - Automotive simulation framework
- Vanilla-conquer - Portable version of the original C&C engine
- Vavoom-extras - Doom, Doom II, Heretic, Hexen, and Strife source port (extras)
- Vavoom - Doom, Doom II, Heretic, Hexen, and Strife source port
- Vcmi - Open-source engine for Heroes of Might and Magic III
- Vectoroids - Vector-based rock-shooting game similar to Asteroids
- Vegastrike-data - Vega Strike data files
- Vegastrike - Open source 3D space simulator
- Veloren-weekly - Multiplayer voxel RPG written in Rust (weekly snapshot)
- Violetland - Top-down survival shoot 'em up
- Viruskiller - Arcade game that relies on quick reflexes
- Vitetris - Terminal-based Tetris clone in vein of Nintendo Tetris
- Vkquake - Quake 1 port using Vulkan instead of OpenGL, based on QuakeSpasm
- Vms-empire - Simulation of a full-scale war between two emperors
- Voadi - Vegan on a Desert Island, 2D top-down adventure game
- Volleyball - Game similar to GNU Arcade Volleyball
- Vor - Dodge the rocks until you die
- Vt100-art-and-animations - VT100 art and animations
- Vultures-eye - Graphical interface for NetHack 3.4.3
- Vvvvvv -
- Wanderer - Rogue like adventure game
- Wargus - Warcraft 2 mod for the Stratagus game engine
- Warmux - Turn-based artillery game with free software mascots
- Warzone2100 - Innovative 3D real-time strategy game
- Weebsay - Like cowsay but with random anime quotes
- Wesnoth - Fantasy turn-based strategy game
- Whichwayisup - Platformer game with rotational twist
- Widelands - Realtime strategy game inspired by Settlers II
- Wipeclean - CLI tool to wipe away your error messages in style
- Wizznic - Implementation of the arcade classic Puzznic
- Wmpuzzle - Dockable puzzle game for WindowMaker and AfterStep
- Wmqstat - Dockapp for monitoring of various Internet game servers
- Wmtictactoe - Dockable TicTacToe game for WindowMaker and AfterStep
- Wolfpack - Long term multiplayer strategy game
- Wop - Free real-time Worms game
- Wordplay - Simple program to generate anagrams
- Wordsearch - Classic word search game that you can play in your terminal
- Wordwarvi - Side-scrolling shoot'em up '80s style arcade game
- Worldofpadman - Open source FPS game inspired by the Padman comic strip
- Wtf - Translates common Internet acronyms
- Wxlauncher - Multi-platform launcher for the Freespace 2 Source Code Project
- Wyrmgus - Modified Stratagus engine for Wyrmsun
- Wyrmsun - Strategy game based on history, mythology and fiction
- Xasteroids - X11 based asteroids style arcade game
- Xataxx - Strategy game of position and movement for X Window System
- Xbat - XEVIOUS like shooting game
- Xbill - Save your computers from the evil clutches of Bill
- Xbl -
- Xblackjack - X11/Motif blackjack game
- Xblast - Multi-player real-time strategy game for X11
- Xblood - Makes the root window bloody
- Xboard-devel -
- Xboard -
- Xboing - X11 arcade game
- Xbomb - Minesweeper with a couple of grid types
- Xbubble - Puzzle Bobble clone for Unix/X11 platforms
- Xchadance - Display a dancing girl "ChaCha."
- Xcheckers - Checkers game for X11
- Xchomp - Pac-man-like game under X11
- Xconq - Graphical multi-player strategy game and game design system
- Xcowsay - Graphical configurable talking cow
- Xcubes - Cube puzzle for X11
- Xdeblock - Block action game
- Xdemineur - Another minesweeper game for the X Window System
- Xdesktopwaves - Simulation of water waves on the desktop
- Xdigger - Boulderdash-like KC85 Digger for X Window System
- Xdino - Dino puzzle game for X11
- Xemeraldia - Falling blocks game
- Xevil - Fast-action, networked, anti-social, kill-everything game
- Xeyesplus - Horrible eyes looking at your mouse cursor
- Xfireworks - Fireworks on X
- Xfrisk - Multi-player networked Risk game for X11
- Xgalaga++ - Classic single screen vertical shoot em up
- Xgalaga-sdl - Classic single screen vertical shoot em up SDL
- Xgalaga - Clone of the classic game Galaga for X11
- Xglk - X Windows Implementation of the Glk API
- Xhexagons - Hexagons puzzle (similar to Fifteen Puzzle) for X Window System
- Xhime - Resident Himechan for X Window System
- Xinfocom - Infocom game interpreter for X11
- Xinvaders - Shoot-em-up them nasty little bugs
- Xinvaders3d -
- Xisola - Simple board game for X Window System
- Xjewel - X11 dropping jewels game
- Xjig - Jigsaw puzzle game for X11
- Xjump - Simple X game where one tries to jump up as many levels as possible
- Xjumpx - Improved version of xjump
- Xkoules - Fast action arcade-style game for X Window
- Xlaby - Daemonic X Labyrinth played directly with the mouse pointer
- Xlennart - XBill Modification
- Xlife - John Horton Conway's Game of Life
- Xlogical - Remake of the classic puzzle game Logical
- Xmahjongg - Chinese game of Mahjongg for X11
- Xmastermind - Mastermind game for X Window System
- Xmball - Masterball puzzle for X Window System
- Xmemory - Multi-player memory game
- Xmille - X window mille bourne game
- Xmine - The `Athena' port of the xminesweeper game
- Xminehunter - Motif minesweeper game
- Xmines - Minesweeper game for the X Window System
- Xminesweep - X11 minesweeper game
- Xmlink - Missing Link puzzle for X Window System
- Xmoto - Challenging 2D motocross platform game
- Xmris - Version of the Mr Do video arcade game for X11
- Xmulti - X11 mascot based on gal-game "To Heart"
- Xneko - The classic cat-and-mouse
- Xnethack - Experimental features and improvements applied to NetHack 3.7-dev
- Xoct - Oct puzzle for X Window System
- Xoids - X Window Asteroids style game with full color pixmaps
- Xoj - O. J. Simpson Simulator root window demo
- Xonotic - Fast-paced, chaotic, and intense multiplayer first person shooter
- Xorgramana - Logic word puzzle game set inside a series of mazes
- Xosmulti - Little girl cartoon on the top of the active window
- Xpanex - Panex puzzle for X Window System
- Xpat2 - X11 solitaire game with 14 variations
- Xpenguins - Cute little penguins that walk along the tops of your windows
- Xpilot-ng-client - Enhanced version of XPilot (client program)
- Xpilot-ng-server -
- Xpilot - Xpilot(client) and xpilots(server)
- Xpipeman - Connect the pipes to stop the leaks
- Xpired - Action-puzzle maze escape game
- Xpuzzletama - Puzzle tama, a Tetris like game
- Xpyraminx - Pyraminx puzzle for X Window System
- Xqf - Server browser for many popular 3D action games
- Xrally - Clone of the classic Rally X arcade game
- Xray_re-tools - X-Ray engine game asset converter (unofficial)
- Xrick - Clone of Rick Dangerous
- Xrisk - Game for X11, much like the popular board game
- Xroach - Cockroaches hide under your windows
- Xrobots - Fight off villainous robots (X version)
- Xrot - Falling ball puzzle game for X
- Xrubik - X-based rubik's cube(tm)
- Xsc - Vector graphics space shoot'em up game
- Xscavenger - Lode Runner clone for X11
- Xscrabble - X version of the popular board game
- Xshisen - Shisen-sho puzzle game for X11
- Xshogi - Japanese chess-like game for X Window System
- Xskat - Play the card game Skat
- Xskewb - Skewb puzzle (similar to Rubik's Cube) for X Window
- Xsokoban - Puzzle of pushing objects to the goals
- Xsoldier - Space-based shoot-em up game for X11
- Xspacewarp - Time Trek - like game for X Window System
- Xspringies - Mass and spring simulation system
- Xteddy - Cuddlesome teddy for the X desktop
- Xtet42 - One or two player T*tris game
- Xtgyoretsu - Extended ncurses version of "Renshu-cho gyoretsu"
- Xtic - X version of a simple but tricky board game
- Xtriangles - Triangles puzzle
- Xtris - Multi-player version of a popular game for the X Window system
- Xtrojka - Game of skill similar to T*tris
- Xtron - Avoid running into walls, your own tail, and that of your opponent
- Xtruco - Simple version for X Window of the famous card game Super Truco
- Xtux - Humorous Arcade game for X
- Xvier - Throw stones into free columns
- Xvmahjongg - Mahjongg for XView with multicolored tiles
- Xvmines - Simple minesweeper game for X Window System
- Xworm - Classic game with apples and hungry worm
- Xye - Puzzle games like sokoban or boulderdash
- Xzip - Infocom game interpreter that runs under X11
- Yadex - WAD file editor, for games like Doom and Heretic
- Yahtzee - Curses version of the dice game for one or more players
- Yquake2 - Improved version of Icculus Quake II
- Zangband - Zangband (Zelazny Angband) with color, X11 support
- Zatacka - Nibbles-like multiplayer game
- Zaz - Puzzle game where the player has to arrange balls in triplets
- Zdoom - Source port for Doom-engine games
- Zephulor - Side scrolling arcade game
- Zhlt - Zoner's Half-Life compile tools
- Zoom - Z-Interpreter for X with full V6 support
- Ztrack - Simple ncurses based pseudo-3D driving game
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