Highlight the "Password" option on the title screen and press Pause. Press 1, Left, Down, Up, 1, Up, 1, Up. Extra lives and all power-ups will be available during game play.
Level select
Enter 3V35NLLE as a password.
Unlock all levels
Enter 9ENVI555 as a password to unlock all levels plus all of player one's special items and most of player two's special items.
See more: Bubble Bobble Video Game Console Cheats...
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