At the title screen, press B, Left, Right, B. If you entered the code correctly, a small green face will appear in the lower right corner of the screen. Then, select puzzle mode and the "Arcade" option to access more puzzles.
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Game Shark Codes
Infinite Time to Set Pieces P1
810ECE2C 0000
Screen Never Fills Over Time P1
810ECDEE 0000
P1 Always Gets Bubbles
800ECE59 0006
P1 Never Gets Bubbles
800ECE59 0000
Infinite Time to Set Pieces P2
810ECF1C 0000
Screen Never Fills Over Time P2
810ECEDE 0000
P2 Always Gets Bubbles
800ECF49 0006
P2 Never Gets Bubbles
800ECF49 0000
Infinite Time to Set Pieces P3
81158884 0000
Screen Never Fills Over Time P3
81158846 0000
P3 Always Gets Bubbles
801588B1 0006
P3 Never Gets Bubbles
801588B1 0000
Infinite Time to Set Pieces P4
81158974 0000
Screen Never Fills Over Time P4
81158936 0000
P4 Always Gets Bubbles
801589A1 0006
P4 Never Gets Bubbles
801589A1 0000
