Inspired by the classic 1978 arcade game. Defend the Earth against wave after wave of Alien Invaders from space! Battle tour way to victory in this fast paced shoot em up (or SHUMP if your prefer!) Earth has dispatched you to Mars to take on the Alien onslaught, take control of your powered up battle tank, use multiple weapon to clear wave after wave of alien attacks. Face off against three different boss types with different and challenging attack patterns. Use three different on screen contr