Bust-A-Move 2: Arcade Edition cheats and cheat codes for Playstation

Get more credits
Press Left, Right, R1, R2, L2, L1, Up, Down at the option menu. 
If the code is accepted, a thirty second timer should be appear in the
upper-right corner. Highlight the "Credit" selection and repeatedly tap 
O or X to add more credits. You can add up to 29 credits.
Note: If you go back to the options, your credits will be reseted.

Unlock 27 bonus levels:
Go to the title screen where you see the "Press Start" and press
R1, Up, L2, Down. A tiny green wizzard should be appear in the corner.
Then, begin a new game and you will see the "Another World" message 
in the lower left corner. Choose a regular puzzle game for 27 
faster levels.

Character select
Begin a puzzle game, then go to the map (alphabet) screen and press the 
following button combination: Left, Left, Up, Down, L1 + L2 + R1 + R2. 
If teh code is accepted, a character selection screen shouldbe appear.
Press Right or Left to choose a desired character and push the X button. 
When your selected character will be in the game, Bub will appear on 
the map screen.