• Game

• Platform

• No. of views

Three extra helicopters:
Immediately fly to the bottom left corner of the screen when
game play begins. Drop a bomb when your ship can not move.
A sound will confirm correct code entry.

Bonus credits:
Hold Right and repeatedly tap II when the helicopter is
landing at the title screen.

Bonus bomb:
Collect ten yellow stars.

Guided missiles:
Hold Select when collecting the yellow power-ups.