Cheats, Codes & FAQs
Boss Rush mode
Finish the game with a 100% completion. The "Boss Rush" option will now be unlocked at the main menu.
While playing the game, activate all of the portal switches. Then, go to the main hub of of Rainbow Route (Area 1). The Power Center door is located in the top left corner.
Locate the CD treasure While playing the game to unlock the "Sound Test" option in the Treasure list. For more songs, find the Musical Scores While playing the game.
While playing the game, find the spray paint to unlock the "Kirby Colors" option in the Treasure list.
Finish the game after defeating the final Bosses. Metaknight's Sword will now appear in front of the Magic Mirror.
While playing the game, activate all the warping mirrors.
By collecting 100% of the treasures while playing the game.