Here are some cheats and tips for the game Tom And Jerry: War Of The Whiskers.
Unlimited ammunition:
Press X, B, X, Y, A, B, A(2) at the title screen.
Unlimited health:
Press A, X, A, Y(2), B, X, Y at the title screen.
Once you or a CPU dies, your/their health bar
replenishes to the maximum.
All arenas:
Press Y, X, Y(2), A, B, X, B at the title screen.
All costumes:
Press X(2), A, B, X, Y, A, X at the title screen.