http://renegade-x.com/download
Renegade X is a free Tactical Shooter that aims to brings the Command and Conquer FPS experience to the Unreal Engine 3. Players will be able to join up to 64-players and fight for two unique teams - the Global Defense Initiative (GDI), a UN international military force committed to world order and peacekeeping, and the Brotherhood of Nod, a messianic international terrorist network that aims to push humanity into the next stage of human evolution.