MegaGlest – open source 3D real-time strategy
MegaGlest is a free and open source 3D real-time strategy (RTS) game, where you control the armies of one of seven different factions: Tech, Magic, Egyptians, Indians, Norsemen, Persian or Romans. The game is setup in one of 16 naturally looking settings, which -like the unit models- are crafted with great appreciation for detail.
It is available for Linux,Windows,Mac OS X and FreeBSD. Up to eight players fight in multi-player (over Internet or LAN)