Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
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.
"The gAIme" is the real time strategy where player can codeAI for his units using scripting language (LUA) or special logic editor. Play and survive in this bot's world!