Shoot the incoming enemies to protect your base. Collect weapons and turrets that automatically fire on the incoming missiles. Push the turrets around the battlefield to take advantage of their range and abilities.
The world has gone to hell and the zombies are taking over. Play as both human and zombie in which you can only interchange between human and zombie 5 times.
With the Allies' victory nearing, the Blue Army has pushed out a last ditch attempt to cripple your warship before reaching the base. Fire at battleships, airplanes, and subs as you attempt to defend your warship.
Destroy the enemy's boss tank to advance to the next level. The more enemies you destroy, the more money and points you earn for upgrades and improvement of your rank.