When robots rule the world, humanity is in danger. Your mission is to protect the bases from the vicious tanks. When robots rule the world, humanity is in danger. Your mission is to protect the bases from the vicious tanks. Destroy all tanks in area to move on to help the next bases. Some tanks will drop items and upgrades when they are destroyed. Keep your eyes around the base while you are hunting for the enemies. They might come from another direction, and it's too late to protect the people. Instructions: Press arrow keys or 2 4 6 8 to move the tank.Press fire or 5 to fire.Clock: Stop all enemies for 20 seconds.Bomb: Destroy all enemies in the field.Tank: Increase one life.Iron wall: Switch Base\'s wall to Iron for 20 seconds.Force shield: Make your tank immortal for 20 seconds.