Dark World
Once you beat all the A worlds in the light world with DEV enter this code at that title screen A Left Right A
Get the Evil Sorcerer
If you solve all 50 A puzzles the game will give you the code to visit Another World and will unlock the evil sorcererIn Puzzle Mode Select 1A then 2A all the way to 5A After beating the last puzzle in 5A youll get the code and the end credits After the DS restarts youll be able to play as the Evil Sorcerer
Sound Test
Punch this in at the main menu screen
CodeEffectSelect A B Left Right A Select RightOpens Sound Test