Use the enemies own weapon against them. When hit by an enemy weapon, you are propelled upwards. Bounce yourself from enemy to enemy to rack up combos and earn experience. With enough experience, you can buy more enemy ships to assist you in getting high combos. The aim of the game is to max out all types of enemy ship in the upgrade screen. Use the arrow keys to move left and right. Press the up arrow key to jump when your boom bar is full. Press space to accesss the menu. Name of the game: Indestructo Tank Anniversary Edition