• At the "Push Start Button" screen, press Triangle, Right, Left, Triangle. If you entered the code correctly, an icon will appear in the upper right corner of the screen. Select puzzle mode, then the "Arcade" option to access more puzzles. 

Bonus characters 

• At the "Push Start Button" screen, press Triangle, Left, Right, Triangle. If you entered the code correctly, an icon will appear in the upper left corner of the screen. 

Gameshark codes

(M) Must Have On EC88AC181456E60A 
Always Super bubble 4CA3D9181456E7C5 
Have guide line 4CA6A66C1456E7A6