Tom And Jerry: War of the Whiskers

Press the following button combinations at the title Screen:

Unlimited ammunition:
X, B, X, Y, A, B, A, A

Unlimited health:
A, X, A, Y, Y, B, X, Y

All arenas:
Y, X, Y, Y, A, B, X, B

All costumes:
X, X, A, B, X, Y, A, X

Unlimited lives:
Right, Right, Up, Left, Up, Right, Down, B , A , Select, Start
and Start again

Play with Butch: Finish challenge mode with Tyke.
Play with Ducking: Finish challenge mode with Nibbles.
Play with Eagle: Finish challenge mode with Duckling.
Play with Lion: Finish challenge mode with Butch.
Play with Nibbles: Finish challenge mode with Spike.
Play with Spike: Finish challenge mode with Tom.
Play with Tyke: Finish challenge mode with Jerry.

Play with Monster Jerry in multi-player mode:
Finish challenge mode with Lion.

Play with Robot Cat in multi-player mode:
Finish challenge mode with Eagle.