Kirby and the Amazing Mirror Game Boy Adv Unlockables

Unlockables

Boss Rush Mode is on the menu
Metaknight's Sword will appear in front of the Magic Mirror once you've unlocked it
The Power Center door is in the main 'hub' of Rainbow Route (Area 1) in the top left corner and contains all of the Powers in the game
The Sound Test/Kirby Colors can be accessed through the Treasure List

• Get 100% on a file
  Boss Rush Mode
• Defeat the final bosses
  Use Metaknight's Sword
• Find and hit all of the Portal Switches in the different areas
  Open the Power Center
• Find the CD Treasure (Find Musical Scores to unlock new tunes in it)
  Sound Test
• Find cans of Spray Paint spread throughout the game
  Different Kirby Colors