Wario World cheats and cheat codes for Gamecube

Earn the Best Castle and best ending:
Find all 40 Spritelings before defeat the final boss

Get all of the eight treasures on the indicated stage:

Unlock Select 3: Jumping Rope
Get all treasures in the stage "Beanstalk Way."

Unlock Select 4: Munch-A-Bunch
Get all treasures in the stage "Pecan Sands."

Unlock Selected 1: Dodge Balls
Get all treasures in the stage "Greenhorn Ruins."

Unlock Selected 2: UFO Assistance
Get all treasures in the stage "Wonky Circus."

Unlock Trial Version 1: Wario Whirled
Get all treasures in the stage "Greenhorn Ruins."

Unlock Trial Version 2: Heads Up
Get all treasures in the stage "Horror Manor."

Unlock Trial Version 3: Gold Digger
Get all treasures in the stage "Shivering Mountains."

Unlock Trial Version 4: Lickety-Split
Get all treasures in the stage "Mirror Mansion."

Unlimited Coins
When fighting against DinoMighty, grab her tail and wait until she raises it
above her head, then press A + R button. She'll drop a lots of coins.
Repeat as many times you want.