GameBoy Advance GameShark Save (North America)

Kirby: Nightmare in Dream LandSave Game File08/06/0464K
100% on Normal & Extra modes, Metaknight Mode & Boss Endurance Unlocked
Rave Master: Special Attack Force!Save Game File04/06/0564K
Unlocked all characters, finished Story Mode with all characters, Finished Ranking Battle Mode.

GameBoy Advance GameShark Save (Europe)

Kirby & the Amazing MirrorSave Game File08/06/0464K
100% Game, All collection room items, Boss Endurance unlocked, and Ability Room open.