CheatCodes.com has all the official Tom and Jerry: The War of the Whiskers PS2 cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Saturday May 25, 2013 for Tom and Jerry: The War of the Whiskers are shown below.
You unlock the character lion by beating challenge with eagle.
If you do the unlimited ammo cheat (in the cheat section) the demo showed when you don't do anything for a while the characters in the demo will use the unlimited ammo cheat.
You can unlock the character butch by beating challenge with nibbles.
You beat challenge with lion.
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