Download of spring_0.80.5.2.exe (spring_0.80.5.2.exe ( external link: SF.net): 24,249,918 bytes) will begin shortly. If not so, click link on the left.
Spring is a versatile 3D RTS game engine. Using extensively Lua for scripting game-specific code to make nearly every aspect of the engine customizable, from GUI, to unit AI, to pathfinding.