Obtain Rainbow Drop #7.
Defeat the "Final" boss in Dark Castle!
Collect All 7 Rainbow Drops and defeat Dark Matter!
Get 100% file completion from all stages, rainbow-drops, bosses, Perfect bonuses, and Girl Blob.
Get ALL of the stars in Bonus-Rush Mode!
Beat all of the game's bosses in a row!
Win against Boss-Rush Whispy without taking damage!
Win against Boss-Rush Nruff without taking damage!
Win against Boss-Rush Sweet Stuff without taking damage!
Win against Boss-Rush Ice Dragon without taking damage!
Win against this Boss-Rush duo without taking damage!
Win against Boss-Rush Kracko without taking damage!
Win against Boss-Rush King Dedede without taking damage!
Win against Boss-Rush Dark Matter without taking damage!
Ride Rick the Hamster.
Ride Coo the Owl.
Ride Kine the Fish.
Go through the dark door in Ripple Field's Level 2.
Get the 1-up bonus at the top of the clouds in the after stage bonus round.
Defeat the Grass Land boss.
Defeat the Big Forest boss.
Defeat the Ripple Field boss.
Defeat the Iceberg boss.
Defeat the Red Canyon boss.
Defeat the Cloudy Park boss.
Obtain Rainbow Drop #1.
Obtain Rainbow Drop #2.
Obtain Rainbow Drop #3.
Obtain Rainbow Drop #4.
Obtain Rainbow Drop #5.
Obtain Rainbow Drop #6.
Obtain a Perfect on the bonus game at Grass Land.
Obtain a Perfect on the bonus game at Big Forest.
Obtain a Perfect on the bonus game at Ripple Field.
Obtain a Perfect on the bonus game at Iceberg.
Obtain a Perfect on the bonus game at Red Canyon.
Obtain a Perfect on the bonus game at Cloudy Park.