Upon entering Walk in the Park, collect all 300 Opals without taking damage or losing a life. [Must already have 300 Opal Thunder Egg, Exit stage to retry]
Upon entering Snow Worries, collect all 300 Opals without taking damage or losing a life. [Must already have 300 Opal Thunder Egg, Exit stage to retry]
Upon entering Outback Safari, collect all 300 Opals without taking damage or losing a life. [Must already have 300 Opal Thunder Egg, Exit stage to retry]