
The ultimate mash-up of Real-time Strategy and Tower Defense!

Defeated a Megatitan

Destroyed a Leviathan

Destroyed a Gargantuan

Destroyed a Behemoth

Destroyed the Ultratitan!

Completed the Earth missions

Completed the Moon missions

Completed the Mars missions
Minimum OS *: Windows XP or later Processor: 1.8GHz single core Memory: 512MB RAM Hard Disk Space: 490MB Video Card: OpenGL 1.5+, 128MB video memory Recommended Processor: 2GHz dual core Video Card: OpenGL 2.1+, 256MB video memory
Minimum OS: OS X 10.7+ Processor: 1.8GHz single core Memory: 512MB RAM Hard Disk Space: 520MB Video Card: OpenGL 1.5+, 128MB video memory Recommended Processor: 2GHz dual core Video Card: OpenGL 2.1+, 256MB video memory
Minimum OS: Linux (32 or 64 bit) Processor: 1.8GHz single core Memory: 512MB RAM Hard Disk Space: 520MB Video Card: OpenGL 1.5+, 128MB video memory Recommended Processor: 2GHz dual core Video Card: OpenGL 2.1+, 256MB video memory