Use the artillery to destroy as many enemy soldiers as you can. Blow up bridges, buildings and towers to complete each level. Try to collect as many stars as possible.
Command up to 3 defenders where there will be tons of enemy waves that will try to destroy your base. Equip a variety of weapons in which you can unlock and upgrade as you advance in the game.
Fight against humanoid military forces through 6 different worlds, command allied troops armed with powerful lasers and destructive rays, upgrade your weapons, unlock electric mines and homing missiles and destroy everything in your path.
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.