Cheat mode
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.