A turn-based grand strategy game in space: Defend Earth against an alien invasion from the edge of the Solar System. Negotiate with the various governments of Earth and secure their support - One way or the other. Establish your bases on other planets to take the fight to the enemy. Design and build powerful spaceships, then take them into battle.
Intel P4 CPU or AMD CPU equivalent or better, 2 GB RAM, 256 MB free HD space, Graphics adapter with OpenGL 2.1 support (GLSL 1.2), Display resolution of at least 1024×768