| 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) |
| 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 |
| dopewars | | Make a fortune dealing drugs on the streets of New York |