| 0ad | Historical real-time strategy game |
| 0ad-data | Datafiles for the 0ad game |
| 0verkill | 0verkill is bloody 2D action deathmatch-like game in ASCII-ART |
| 2048-cli | The game 2048 for your Unix terminal |
| 3dpong | One or two player 3D sports game based on Pong from Atari |
| 4stAttack | Game in which you have to try to out-smart your opponent |
| 7kaa | Seven Kingdoms: Ancient Adversaries |
| 7kaa-music | Music files for use with 7KAA |
| abbayedesmorts | Obsolete video game for a dark passage of history |
| abuse | Full color 320x200 arcade quality platform shooter |
| adom | Ancient Domains of Mystery - yet another roguelike game |
| afternoonstalker | Robot-killing video game |
| agm | Multiple-word anagram search program |
| AitDoB | Ascent into the Depths of Beyond -- A roguelike game |
| ajbsp | Node builder for modern DOOM source ports |
| alephone | Classic 2.5D FPS game engine, updated to use SDL |
| amaze | Curses-based maze game |
| amnesia-tdd | Amnesia: The Dark Descent |
| amoebax | Action puzzle game like Puyo Puyo |
| an | Very fast anagram generator |
| angband | Single-player dungeon exploration game (text-only version) |
| angband-sdl | Single-player dungeon exploration game (version with graphics/sound) |
| anise | Adventure game scripting engine |
| aop | Aop is a curses based arcade game with only 64 lines of sourcecode |
| armagetronad | Tron clone in 3D with advanced gameplay and multiplayer |
| armagetronad-server | Server for the armagetronad game |
| arx-libertatis | Cross-platform, open source port of the Arx Fatalis RPG |
| asc | Turn based strategy game in the tradition of the Battle Isle series |
| asciiquarium | ASCII art aquarium |
| assaultcube | Cube-based FPS with realistic environments |
| assaultcube-server | Cube-based FPS with realistic environments (server only) |
| astromenace | Hardcore 3D space scroll-shooter |
| atomix | Puzzle game |
| augustus | Enhanced engine for the classic city building game Caesar III |
| barrage | Rather destructive action game |
| bastet | Bastard Tetris |
| batrachians | Fly-eating frog game |
| battalion | Virtual reality 3D GL game for X11 |
| battleball | 3d game of soccer, with tanks |
| billardgl | 3D Billard using OpenGL hardware acceleration |
| black-hole-solver | Solvers and statistics for various solitaire and related card patience games |
| blindmine | Minesweeper clone that you can play with your eyes closed |
| blinken | Memory enhancement game |
| blokus | Abstract strategy board game for two to four players |
| bluemoon | Blue Moon game with AI |
| bomber | Bomber game |
| bomberclone | Multi-player Bomberman clone |
| bos | Invasion - Battle of Survival (real-time strategy game) |
| bovo | Five-in-a-row Board Game |
| bridge-hands | Generate hands for duplicate bridge |
| bugdom | Pangea Software's Bugdom for modern systems |
| bugdom2 | Source port of Bugdom 2 from Pangea Software |
| burgerspace | Hamburger-smashing video game |
| bzflag | OpenGL tank game |
| cataclysm-dda | Post-apocalyptic turn-based survival game (text-only version) |
| cataclysm-dda-sdl | Post-apocalyptic turn-based survival game (tileset version) |
| cbonsai | Grow bonsai trees in your terminal |
| cbzone | Simple classic game of 3D tank warfare |
| ccgo | Go board with IGS and gnugo interface |
| ccleste | Portable version of the Celeste Classic 2D platform game |
| cgoban | The complete goban. A Go server client and sgf viewer/editor |
| cgoban-java | Client for the KGS Go Server and SGF viewer/editor |
| chess-tui | Chess TUI implementation in rust |
| chest | Chess problem solver |
| chocolate-doom | Doom/Heretic/Hexen/Strife source port |
| chromium-bsu | Fast paced, arcade-style, top-scrolling space shooter |
| circuslinux | Clone of the Atari 2600 game Circus Atari |
| civctp-demo | Civilization: Call to Power - graphical strategy (linux demo) |
| classicube | Custom Minecraft Classic client |
| cmatrix | Simulates the display from The Matrix in your console |
| colchess | Chess analysis engine |
| colchess-book-colchess | Chess opening book for ColChess (default) |
| colchess-book-large | Chess opening book for ColChess (large) |
| corewars | Programs on a virtual machine, fighting each other |
| corsix-th | Reimplementation of the game engine of Theme Hospital |
| cosmosmash | Space rock shooting video game |
| crack-attack | Tetris Attack inspired game |
| crack-attack-sounds | Music and sounds for crack-attack |
| craft | Warcraft-like game for X11 |
| crimsonfields | Tactical war game in the tradition of Battle Isle |
| criticalmass | SDL/OpenGL space shoot'em up game |
| cromagrally | Source port of Cro-Mag Rally from Pangea Software |
| crossfire-client | Multi-player graphical arcade and adventure game (client) |
| crossfire-server | Multi-player graphical arcade and adventure game (server) |
| d2x | Descent II port |
| dd2 | Shoot'em up arcade game for one or two players |
| defendguin | Clone of the arcade game Defender |
| devilutionx | Port of the RPG Diablo for modern operating systems |
| dhewm3 | Source port of the original Doom 3 |
| digger | Digger Remastered |
| dipmap | Generate postscript maps from results of play-by-email Diplomacy games |
| dMagnetic | Magnetic Scrolls Interpreter |
| doom-pwad-shotgun-symphony | Doom mod |
| doom-pwad-sigil | Doom mod |
| doom1 | Shareware levels for Doom |
| doom2-pwad-eviternity | Doom II mod |
| doom2-pwad-lost-civilization | Doom II mod |
| doom2-pwad-preacher | Doom II mod |
| doom2-pwad-struggle | Doom II mod |
| doomlegacy | The legacy of Doom |