A vicious scientist has taken the city with the Machine he invented. The little legend Magic Tank has only one day to destroy all Machines and release all city residents from the vicious hand.
Defend your invasion forces from attacking ships while they retake solar systems from a malicious computer virus. Use your special vessel, the Nautilus, to manufacture ships to assist you in the battle.
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.