Snott shield
Press [Up] + [X] during game play.

Level skip
Pause game play and press [Select], [B], [X], [A]x2, [X], [B], [Select].

Invincibility
Pause game play and press [A]x2, [X], [A], [Left], [Right]x2, [Left].

Extra life
Pause game play and press [Left], [Select], [Right], [Select] two times.

Extra life, one shot
Pause game play and press [[Select], [Left], [Select], [Right]] two times. Note: This code may only be used once per game.

Instant continue
Pause game play and press [Y], [Select], [Y], [B], [X], [B], [X], [B].

One continue
Pause game play and press [A], [Select], [A], [B], [X], [Y], [X], [Y].

Plasma gun
Pause game play and press [X]x4, [A]x3 [Select].

3-shot gun
Pause game play and press [X]x4, [A]x2, [X], [Select].

Homing gun
Pause game play and press [X]x4, [A]x2, [B], [Select].

Bubble gun
Pause game play and press [X]x4, [A], [B], [A], [Select].

Nuke gun
Pause game play and press [X]x4, [A], [B], [X], [Select].

Maximum ammunition
Pause game play and press "Select," [X]x6, [Select].

Maximum ammunition, one shot
Pause game play and press [X]x7, [Select]. Note: This code may only be used once per game.

Bomb
Pause game play and press [X]x4, [B]x4.

View map
Pause game play and press [Select]x7, B.

Energy
Pause game play and press [X], [Select], [X], [B], [X], [Select], [X], [A].

Extra meal worms
Pause game play and press [[A], [B]], four times for 81 meal worms.

Invisible soil
Pause game play and press [A]x2, [B], [A]x2, [X], [B], [Select].

View ending sequence
Pause game play and press [Select], [Left], [Right], [L], [R], [Left], [Right], [Select].

Configuration screen
Pause game play and press [Select], [Left], [Right], [A], [X]x2, [Left], [Right].

Control "Well done" speech
Successfully complete a level and the two cows appear to tell you "Well done". Press [Y], [X], [B], or [A] while the cows are on the screen to make them say "Well done" faster or slower.

Level selection
Pause game play and press one of the following controller actions:

[[PASTING TABLES IS NOT SUPPORTED]]
Secret Stage 37
Play until reaching the Continue point in Level Ate. Continue moving to the right (use Snott to hang along the ceiling). Approach the hill of bologna and a strip of bacon, and stand on the far right edge of bacon. Jump up and to the right. Use the Snott parachute to float down and left to land under the strip of bacon. Move left to jump to Stage 37.