Continue game play:
Press A, B(2), A at the game over screen
after losing during one of the first three levels of the game.
Quickly press Up, Down, A(2), B,
Left, Right, A, B, Up, A,
Down, Right(2), Left, B, Up,
Left, A, Right, B, Left, Right,
A, Left, Up, A, Down, A,
Right, Left, A, Start at the title
screen. The phrase "Stage 1" will appear next to the
airplane landing screen to confirm correct code entry. Press
A or B to change the starting level.
Position both players on a tank and press A on both
Position both players on a helicopter and press A +
B on both controllers.