Welcome to alien infested planet! In campaign mode, missions range from offense to defense missions upon which you can build a base to stop the alien horde. Or there is a survival mode with 6 maps, where you destroy wave after wave of incoming aliens.
In the reckless city where cars don't give way to pedestrians, help a girl take revenge by tossing shoes at the reckless cars. Smash them to bits with mighty footwear!
One last turret stands between you and total annihilation. Destroy all malevolent alien ships by upgrading your cannon and building the ultimate killing device!
Defend the Earth from invading UFOs. Aliens are invading our earth and it is up to you to defend an important nuclear factory. Buy cannons, train new defenders and tell them what to do.
Lead rebel forces to free the galaxy from the Empire's tyranny. Build and upgrade turrets, power stations, refineries, use air raids to defend command center from attacking enemy forces.