This game is titled Bust-A-Move Bash! in North America and Bust-A-Move in Europe.
Successfully complete the first 250 stages in Puzzle mode. Highlight the "Stage Select" option at the selection screen and press A. The colors will change to orange from blue and only the first stage will unlocked. Stages 251 to 500 are now unlocked.
Play the indicated puzzle to unlock the corresponding character.
- Evil Dragon: Puzzle 1
- Wizard: Puzzle 251