Unlock Selected 1: Dodge Balls Collect all eight treasures in Greenhorn Ruins.
Unlock Trial Version 4: Lickety-Split Collect all eight treasures in Mirror Mansion.
Unlock Trial Version 3: Gold Digger Collect all eight treasures in Shivering Mountains.
Unlock Trial Version 1: Wario Whirled Collect all eight treasures in Greenhorn Forest.
Unlock Trial Version 2: Heads Up Collect all eight treasures in Horror Manor.
Unlock Selected 3: Jumpin' Rope Collect all eight treasures in Beanstalk Way.
Earn the Best Castle Find all 40 Spritelings before beating the final boss to get the best castle (and best ending).
Infinite Coins When fighting DinoMighty, grab her tail and wait until she raises it above her head. Perfom a Ground Pound (A + R Button). She'll drop a lot of coins. This stuns, but does not damage her. Repeat as often as you like to get an inifinite number of coins.
Unlock Selected 4: Munch a Bunch Collect all eight treasures in Pecan Sands.
Unlock Selected 2: UFO Assist Collect all eight treasures in Wonky Circus.
