Press "Click Here" and choose version you want to play "Acid" or "Spielberg". Than you can analyze schema and "Click here to go" to start game. You can navigate the plane with arrow keys. Use space key to drop bomb and A key to fire. You must be careful when using the bombs because there are limited bombs in the plane. If you catch colored balls on the way, you can take extra bombs, energy and life. Blue ball gets more power, green ball more life and red ball extra bombs. Be careful tension is high in this game.