Level Select
Press Right(2), Up, Down, R, L, Start at the option screen.
Extra Lives and Continues
Press Left(2), Up, Down, L, R, Up at the option screen.
Sound Test
Press L, R, L(2), R at the option screen.
Hidden Credits
Hold L + R and press B as the Beam Software logo forms on the screen.
Turbo Mode
Highlight the “One Player” selection and press Left, Right, Left, Up, R(2). The word “Bingo!” will confirm correct code entry.
Additional Lives
Highlight the “Two Players” selection and press L, R, Up. The word “Bingo!” will confirm correct code entry. Up seven additional lives and continues will be available.
No Enemies
Enable the “Level select” code. Choose a circuit and hold Select when entering a room. Note: This may not be effective in some rooms. After ten keys are obtained, this trick may be used to reach the Pleasure Dome.
Secret Rooms
- In the “Total Carnage” room in Arena 1, kill all enemies and exit to the right.
- In the “Buffalo Herd Nearby!” room in Arena 2, kill all enemies and exit to the right.
- In the “Secret Rooms Nearby!” room in Arena 3, kill all enemies and exit to the right.
- In Arena 3, move two rooms to the right of “Cobra Death”, to reach a room called “You Have Enough Keys!” or “Not Enough Keys!”. This depends on whether at least ten keys were obtained. If an adequate number of keys have been collected, kill all enemies and leave through the lower exit to reach the Pleasure Dome.
Expert Mode
A question mark will appear in each of the secret rooms, the Pleasure Dome, and the M.C. Boss room. Collect all five to view a special ending. The game will restart at a faster difficulty level.