Disable Robot Cat

Successfully complete challenge mode as Lion.

Play as Spike

Successfully complete challenge mode as Tom.

Secret weapons

On Lungens And Dragons, hit anything that can be destroyed. When it says "Map destroyed", look for the sword in the rock to find the secret weapon. The same can be done on all levels for different weapons. Note: If you use Jerry, Nibbles. or Tom, you may get a costume on Lungens And Dragons. On the western level, you can unlock a costume with Tom, Nibbles, and Spike.

Unlimited lives

Press Right, Right, Up, Left, Up, Right, Down , B , A , Select, Start and Start again at the title Screen.

Unlock Butch

Successfully complete challenge mode as Tyke.

Unlock Ducking

Successfully complete challenge mode as Nibbles.

Unlock Lion

Successfully complete challenge mode as Butch.

Unlock Nibbles

Successfully complete challenge mode as Spike.

Unlock Tyke

Successfully complete challenge mode as Jerry.