All levels complete:
Press Left(2), Up, Down, Right, Left(2), Down, Up, Right, Left(2), Up, Down, Right. Open a saved game and all levels will be marked completed, with the exception of bonuses.

Unlimited lives:
Press Down(2), Up, Left, Right at the title screen. Note: This code has no effect in time attack mode.

Sheepy Shop mini-game:
Press Up(2), Down, Left, Right at the title screen. A sound will confirm correct code entry. Begin game play to start the Sheepy Shop card matching mini-game.

In-game reset:
Hold Start + Select and press A + B.

Leave previously completed levels:
Pause game play, then press Start + Select.

Unlimited bear coins:
Complete the "Lift Shaft Lottery" in the Cape Codswallop world. Enter it again, move left and collect the bear coin. Press Start + Select to exit the level, then replay the level to collect the coin again. Repeat this to collect as many coins as needed.

Bonus lives:
Play the "Total Recoil" level in the "Cape Codswallop" world. Collect the extra life in the bonus stage, intentionally lose the present life, and repeat.

Bonus level:
Go to the Cape Codswallop - Total Rekoil level. Jump left when starting the level to find a bonus stage.