NetHack is a popular single player dungeon exploration game that runs on a wide variety of computer systems.
General Purpose Engine for Graphic Adventures.
Escape Towards The Unknown is a graphic adventure (like Monkey's Island) written in C with SDL support. Main feature are: brand new user command language interface; support for digitalized dialogues in many languages.
Emulator of Atari 800/800XL/130XE/5200 with various extensions (1088kB RAM, stereo sound and much more) running on just about every operating system (Unix/Linux, Windows, DOS, TOS, MacOS, Workbench, WinCE...)
A cross-platform interpreter for many point-and-click adventure games
ScummVM is a cross-platform interpreter for many point-and-click adventure games. This includes LucasArts SCUMM games (such as Monkey Island 1-3, Day of the Tentacle, Sam & Max, ...), many of Sierra's AGI and SCI games (such as King's Quest 1-6, Space Quest 1-5, ...), Discworld 1 and 2, Simon the Sorcerer 1 and 2, Beneath A Steel Sky, Lure of the Temptress, Broken Sword 1 and 2, Flight of the Amazon Queen, Gobliiins 1-3, The Legend of Kyrandia 1-3, many of Humongous Entertainment's children's SCUMM games (including Freddi Fish and Putt Putt games) and many more. The project mailing lists have been moved to http://lists.scummvm.org The project tracker has been moved to https://bugs.scummvm.org
A fast, unobtrusive and modern cross-platform GUI toolkit. Agar fully exploits hardware acceleration where available, but also supports simple frame-buffer interfaces. Agar is stand-alone and easily portable to new platforms and graphics systems.
This is ATARI XE/XL game ported to Linux. This game was very popular and was one of the greatest ATARI games. You can see similarities to sokoban, but this game has more features like shooting, unfriendly animals.... SDL, SDL_image, SDL_mixer and SDL_ttf
This is in an unofficial branch of UAE (the Ubiquitous Amiga Emulator) with the aim of bringing the features of WinUAE to non-Windows platforms such as Linux, Mac OS X, AmigaOS and BeOS.
A portable/hardware independant GPL Flash decoding library, with (Linux) sample player and mozilla-plugin. Note : the project web page http://gplflash.sf.net is the real front page for this project and contains much more informations.
Twin Distress is a simple puzzle game where you must remove all of the blocks of the same color from the screen before the time runs out. Features include different skill levels, high scores, sound & music.