The FlightGear flight simulator project is an open-source, multi-platform, cooperative flight simulator development project. Source code for the entire project is available. (OpenGL)[OS Independent]
The player has to strike the correct colored squares at the appropriate time during the songs to produce sounds. The objective of this game inspired by Guitar Hero is to finish a song and score the biggest amount of points possible. (Python) [Cross-pl...
Deliantra is a free software, multiplayer RPG and adventure game, much similar in style to nethack and moria. It is fully graphical and runs in realtime and set in a medieval environment. (GPL) [GNU/Linux, Mac OS X, Windows]