Have a perfect score in Smile Game

Have a perfect score in Study Game (Difficulty C)

Catch all balls in Sports Game (Difficulty C)

Win the beauty medal

Win the knowledge medal

Win the races medal

Win all 3 medals on a single Tamagotchi

Send a Tamagotchi with all medals, no stress and max stats to his home planet

Raise a Mametchi

Raise a Mimitchi

Raise a Ginjirotchi

Raise a Pochitchi

Raise a Maskutchi

Raise a Zuccitchi

Raise a Kutchipatchi

Raise a Hashizoutchi

Raise a Nyorotchi

Raise a Kusatchi

Raise a Tarakotchi

Raise a Takotchi

Raise a Gaijintchi