Earthworm Jim
Pause game play and press A + Left, B(2), A + Right, B(2), A. The words "Cheater!" will appear when the game is resumed to confirm correct code entry. A menu will appear with options for level selection, unlimited energy, and map check.
Pause game play and press A + B, C(2), A(2), B(2), B + C.
Full health
Pause game play and press A, C(2), A, B(2), A, C, Start. The word "cheater" will be spoken to confirm correct code entry. Note: This code may only be used once per level.
Level skip
Pause game play and press A, B(2), A, A + C, A + B, A + B, A + C.
Skip to level 2
Pause game play in level 1, then press Left, Right, A, B, C, Left, Right, A.
Level select
Pause game play and press Left + A, B(2), A, Right + A, B(2), A.
Power-up
Pause game play and press A, B(3), C, A, C(2). The word "cheater" will be spoken to confirm correct code entry.
Extra continue
Pause game play and press A, Left + B, A, B, A, B, C, A. The word "cheater" will be spoken to confirm correct code entry.
Extra life
Pause game play and press Up + B, B, A, C, A(4). The word "cheater" will be spoken to confirm correct code entry. Alternately, pause game play and press B(2), C(2), A(4). Note: The alternate code can be enabled only once per level.
Debug mode
Pause game play and press Left + A, B(2), A, Right + A, B(2), A. A picture of the development team will be displayed to confirm correct code entry.
Nine plasma guns
Pause game play and press Down + C, A, B, C, A, B, A, C.
Nine homing missiles
Pause game play and press Right + A, A(2), B, A, C, B, A.
1000 rounds of ammunition
Pause game play and press A, B(3), C, A, C(2). Alternately, press A + C, B(2), C, A + C, B(3).
Jump to last level
Pause game play and press A + C, A + B, C(2), B(2), A(2).
Donkey Kong head
Pause game play and press Down + C, B, A, A, A, A, B, C.
In-game reset
Hold A + B + C and press Start during game play.
Level select
Pause game play and enter one of the following codes to resume the game at the indicated level.
| Level | Code |
| What the Heck? | A, Right, A, C(2), Left, Right, A |
| Snowman | Right(3), A, C, Left, Right, B |
| Evil the Cat | Up, Down, Right, C(2), Left, Right, B |
| Big Bruty | C(3), Left(3), Right(2) |
| Down the Tubes | Up, Down, Left(2), Up(3), Down |
| Tube Race | Up(2), Left(2), Down, Left, Up, C |
| Snot a Problem | C, B, C, Right(2), Left, A, B |
| Snot a Problem 2 | Up, B, C, Down(3), A, C |
| Snot a Problem 3 | A, Up, C, Up(2), Down, C, A |
| Lab | A, B(2), Down, Right(2), Left, Right |
| Chicken Plummets | A, B, C, Up, Down(3), Right |
| Naked and Lovin' It | C, A, C, Left, Right, Up, Down, Right |
| For Pete's Sake | A, B, C, A, B, A, Down, Right |
| Andy Asteroids | A, Left, A, C(3), B(2) |
| Andy Asteroids 2 | AC, Down, A(2), Down, B(2), Down |
| Andy Asteroids 3 | A, Down, Left, A, C(2), A, B |
| Andy Asteroids 4 | A, Down, A(2), C(2), A, B |
| Andy Asteroids 5 | A, Left, A, C(2), Down, Up, A |
| Andy Asteroids 6 | A, Right, A(2), Right, B, Up, A |
| Intestinal Distress | C(2), A, Right, Left, Right, B(2) |
| Who Turned Out the Lights | A + C, B, Up, Left, Right(2), Left(2) |
| Who Turned Out the Lights 2 | A, B, Up, B, Left, Right, C, Up |
| Who Turned Out the Lights 3 | A, B, C, Up, Left, A, Right(2) |
| Who Turned Out the Lights 4 | A, C, Up, Left, C, Right, Left, B |
| Who Turned Out the Lights 5 | C, B, Up, Down, Left, Right(2), Left |
| Queen of Buttville | A, C, Left, Right, B, Left(2) |
| Buttville Helicopter | B(2), Down(2), A, Right(2), Down |
| Psycrow | C, B, Up, Down(2), Right, Down, Right |