Enter these codes while the game is paused.

• 3 Finger Gun -- X, X, X, X, A, A, X, Select
• 81 Meal Worms -- A, B, A, B, A, B, A, B
• Ammo Refill -- Select, X, X, X, X, X, X, Select
• Barn Blaster -- X, X, X, X, A, B, X, Select
• Bubble Gun -- X, X, X, X, A, B, A, Select
• Extra Continue -- A, Select, A, B, X, Y, X, Y
• Extra Life -- Left, Select, Right, Select, Left, Select, Right, Select
• Homing Missles -- X, X, X, X, A, A, B, Select
• Invincibility -- A, A, X, A, Left, Right, Right, Left
• Invisible Soil -- A, A, B, A, A, X, B, Select
• Map View Mode -- Select, Select, Select, Select, Select, Select, Select, B
• Mega Plasma Gun -- X, X, X, X, A, A, A, Select
• Skip to End of Current Level -- Select, B, X, A, A, X, B, Select
• Skip to End of Game -- Select, Left, Right, L, R, Left, Right, Select

Enter these codes while the game is paused.

• Inflated Head -- Up, Down, X, A, B, Y, Left, Right
• Iso 9000 -- A, B, X, Left, Left, Right, Left, Right
• Level Ate -- X, X, Down, Down, A, Left, Right, Left
• Lorenzen's Soil -- A, X, Left, Right, X, Left, Right, Left
• Puppy Love 1 -- Left, Right, A, B, X, Left, Right, A
• Puppy Love 2 -- Down, Right, A, B, X, Left, Right, A
• Puppy Love 3 -- Up, Right, A, B, X, Left, Right, A
• See Jim Run -- A, B, X, Left, Left, Left, Left, Right
• The Flyin' King -- A, B, X, Left, Right, Left, A, B
• The Villi People -- A, B, X, A, B, X, Left, Right
• Udderly Abducted -- Up, B, X, Left, Right, Down, A, X

While playing, pause the game and press Select, Left, Right, A, X, X, Left, Right.

For a pause that refreshes, pause your game and press X, Select, X, B, X, Select, X, A.

To make Jim lighter than air, get to Lorenzo's Soil, pause the game, and press A, A, A, A, A, A, A, A, A.

To warp to the "Forked" level, make your way through "Level Ate." Near the end you'll find a set of three forks to the right of a horizontal strip of bacon. Use the Snot Parachute to float between the bacon and the fork to enter the secret level.

While playing, press Up + X for a few seconds of invincibility.

At the end of the level, when the cow says, "Well done", press A, B, X, or Y to make the cows say "Well Done" at different speeds.