0 A.D. is a free, open-source, cross-platform real-time strategy game.
0 A.D. (pronounced "zero ey-dee") is a cross-platform real-time strategy (RTS) game of ancient warfare. It's a historically-based war/economy game that allows players to relive or rewrite the history of ancient civilizations, each depicted at their peak of economic growth and military prowess.
A free 3d game for PC that does not limit the player. Fight,Build,Gain
(NOTE: Make sure to download Volume2 aswell!: http://sourceforge.net/p/chaosesqueanthologyvolume2/ )
200+ weapons. Build-able enter-able buildings (Like an FPS RPG but with interiors) (Multi-tool/ Utili-tool). City generation (all buildings enterable). A 2 iso (6GB) exploration of what QuakeC can do. Over 100 maps included, along with map editor and sourcecode. Fully free and opensource: code and media.
A modification of Xonotic which included extended weapons, maps, vehicles,...
Our goal is to create a Openly available and usable version of the MSL used by all Unreal Engine based games. The code being completely portable to almost all widely used Operating Systems including Linux, BSD, Solaris, Mac OS X, and Windows.