At the main menu, select the "Extras" option. Choose the "Cheat Codes" option, then enter one of the following codes to activate the corresponding cheat function:

Level select

Enter "GUDGEON" as a code to unlock all levels.

Invincibility

Enter "KRUNKIN" as a code.

Infinite Nova

Enter "CAKEDAY" as a code.

All mini-games

Enter "CURLING" as a code to unlock all mini-games.

All awards

Enter "SNEAKER" as a code to unlock all awards.

All concept art

Enter "FRIVERS" as a code to unlock all concept art.

Weak enemies

Enter "CODMODE" as a code.

Rainbow trails

Enter "UNICORN" as a code.