Bubble Bobble Old and New Cheats

Super mode
Choose a saved game file, then go to the Bubble Bobble New title screen. Press Right, R, Left, L, Select, R, Select, L. Super mode has new backgrounds, enemy formations, and an alternate ending. Repeat the code to return to normal mode.

Bonus items
Enter one of the following initials at the high score screen, then start a new game to unlock the following items and effects.

Beer mug (pizza instead of bubbles)
Enter KTT as initials.

Flamingo (pink worms instead of bubbles)
Enter STR as initials.

Fork (enemies turn into fruit)
Enter SEX as initials.

Knife (enemies turn into various items)
Enter ... as initials.

Octopus (wooden stakes instead of bubbles)
Enter TAK as initials.