This is a project that I made myself that I got my ideas from. Space Bar to shoot. arrow keys left and right to aim. only the maximum direction is 0 and 90. pressing a and d are to move the tank. Your fragile point is your canon for foes. 5 Wave objectives 1st Wave objective: Defeat 5 Foes. 2nd Wave objective: Defeat 10 Foes. 3rd Wave: Defeat 15 Foes. 4th Wave: Defeat 20 Foes. 5th Wave: Defeat 25 Foes.