Kirby & the Amazing Mirror (GBA)

Ability Room
During game play, activate all the warping mirrors.

Arena Mode
Collect 100% of the treasures during game play.

Boss Rush Mode
Get 100% on a file.

CD Player Location
To find the Sound Player, look in the right door of Candy Constallation.

Defeat Kracko
Get the Tornado ability before you get to him. When you reach him, hold B. Kirby will spin and go up. While spinning, keep hitting Kracko. Keep doing this until his life is gone. You can also do this with other Bosses.

Different Kirby Colors
Find cans of Spray Paint spread throughout the game.

Do not let Bosses to Waste
After defeating a boss, before it disappears, you can suck them up to change your power to the boss's power.

Lost Percentage
If you're looking for the last few areas for 100%, go to each map and if the map is not blinking, you have missed something (a treasure) on that map.

Open the Power Center
Find and hit all of the Portal Switches in the different areas.

Sound Test
Find the CD Treasure (Find Musical Scores to unlock new tunes in it).

Use Metaknight's Sword
Defeat the final bosses.