Free Cross-Platform RTS Game 0 A.D. Alpha 12 Available For Download

0 A.D, one of the best free, open source real-time strategy (RTS) games, has reached the alpha 12.

For those not familiar with 0 A.D., this is a historical war and economy game that works on Linux, Windows and Mac OSX. It features great graphics and sound and it has both single-player and multi-player functionality (multi-player uses peer-to-peer networking, without a central server and there's no matchmaking service yet).