The invasion has started! the mass of planes is enough to block out the sun, and its up to you! As commander of ground defense, you must choose where to place your AA guns, Cannons & the new rocket launcher batteries to stop the planes that slip through the aerial defense.
Fail & their bombers will destroy cities, are you up to the challenge?
With great, simple gameplay yet in-depth strategy you will be pushed to your limit to stop every plane.
See if you can get perfect scores on every level, or unlock survival mode and see how long you can last!