Kirby: Canvas Curse Codes -

Bonus characters:
Have the Game Boy Advance game Kirby And The Amazing Mirror in the cartridge slot and load a saved game from it to unlock Waddle Doo. Alternately, complete Kirby: Canvas Curse with the Game Boy Advance game Kirby's Nightmare In Dream Land in the cartridge slot.

Complete the game to unlock Waddle Dee and also unlock King Dee Dee Dee for purchase (20 medals).

Buy King Dee Dee Dee to unlock Metaknight for purchase (25 medals).

Complete the game with Kirby, Waddle Dee, King Dee Dee Dee, and Metaknight to unlock Waddle Doo.

Medal Swap bonuses:
Collect the indicated number of medals to unlock the indicated Medal Swap bonus.

Tropic Line: Six Medals 
Zebra Line: Six Medals 
Bead Line: Six Medals 
Course 1-4: Nine Medals each 
Course 5-8: Ten Medals each 
King Dedede: Twenty Medals 
Life Boost: Seven Medals 
Life Boost: Twelve Medals 
Life Boost: Fourteen Medals 
Meta Knight: Twenty-Five Medals 
Song One: Three Medals 
Song Three: Three Medals 
Song Two: Three Medals 

Sound test bonus tracks:
Successfully complete the World of Drawcia level with Kirby to unlock the following tracks on the sound test.

Track 24 (The World of Drawcia) 
Track 40 (Drawcia Demo) 
Track 41 (Dracia Sorceress) 
Track 42 (Drawcia Soul) 
Track 43 (Ending Cinema) 
Track 44 (Credits 

Jump mini-game:
Successfully complete the game with all five characters to unlock the Jump Game selection next to the "Options" button at the main menu.

Block Attack sub-game:
Complete Block Attack level 2 in Boss Games.

Cart Run sub-game:
Complete level 2 of Cart Run in Boss Games.

Paint Panic sub-game:
Complete level 2 of Paint Panic in Boss Games.

Kirby: Nightmare In Dreamland music:
Have the Game Boy Advance game Kirby And The Amazing Mirror or Kirby's Nightmare In Dream Land in the cartridge slot. Alternately, get 200 medals to be able to buy the music from Kirby: Nightmare In Dreamland for 50 medals.

Alternate title screen:
Get a 100% game completion to turn the title screen blue.