0 A.D. is a f2p (free to play), open-source, historical RTS (Real Time Strategy) game currently under development by Wildfire Games. Wildfire is a group of collaborative game developers.
As the leader of an ancient civilization, you must gather the resources you need to raise a military force and dominate your enemies.
0 A.D. requires at least a Radeon X800 XT or GeForce 7800 GT to meet recommended requirements running on high graphics setting, with 1080p resolution. This hardware should achieve 60FPS. System memory required for 0 A.D. is 1 GB performance memory. Your graphics card will need to be capable of running DirectX 9. Recommended needs around a 14 year old PC to run.