Kirby 64: The Crystal Shards Cheats

Dark Star: Collect all 100 crystal shards and defeat Miracle Matter (aka the boss of Ripple Star.)

See 2 secret movies: Collect all 100 crystal and beat Miracle Matter and O2

Boss mode: Beat O2

Harder Difficulty in games: Beat that mini-game
from easy-normal-hard-intense.

Credits in color: Defeat O2

Sound Test: Beat Miracle Matter