Cheat mode:
Pause game play and press Left + A, B, X, A(2), B, X, A, Start.
An option and information screen will appear allowing cheat mode
(invincibility), level selection, pausing without a dim screen, or
viewing the entire level. Note: Enabling this code may prevent
completion of the game.
Level skip:
Pause game play and press A, B, X, A, A + X, B + X, B + X, A + X.
Resume game play to start at the next level.
Wrong cheat code:
Pause game play and press Y, A, B(2), A, Y, A, B(2), A.
Eight plasma shots:
Pause game play and press A(2), B + L, A(2), X, B + L, X.
Extra continue:
Pause game play and press A, B, A, B, X, Y, X, Y.
Full ammunition:
Pause game play and press A, B, B + L, B, X, A, X(2).
Extra life:
Pause game play and press B + X, B(3), A(2), X, A.
Jump to Princess:
Pause game play and press Left + A, X(2), X + B, X, A, X, Left + A.
Full energy:
Pause game play and press A + X, B, A, B(2), X + Y, B, A.
Map view mode:
Pause game play and press A, X, A, X, A(4).
Level codes:
Pause game play and enter one of the following controller actions to
jump to the corresponding level:
Level Code
What The Heck Press Y, X, Y, X, A, B, A, X
Down The Tubes Press Up, Down, Left + Down, Left, Down, Down,
Up + Left, Down
Snot A Problem Press A, B, X, B, A, B, B, B + L
Level 5 Press A + B, B + X, X + Y, Left, Left, Right, Left, Right
For Pete's Sake Press A, B, X, A, B, X, A, B + R
Buttville Press A, X, Left, Left, X + Y, Up, Down, Left
Andy Asteroids Press A + L, A, R + A, A, B, B, X, B
Who Turned Out The Light? Press A, B, Up + Y, Up + Y, Left, Right,
Left, Right