Bubble Bobble - Old and New Cheats (GameBoy Advance)

Defeat the last Boss in level 100. Start a new game, press Start and select the 'Bobblen'
option. This can be repeated after Bobblen runs out of lives.

Go to the title screen of New Version and input RIGHT, R, LEFT, L, SELECT, R, SELECT, L to
play Super Mode on New Mode. Start a game on Super mode in the New version of Bubble
Bobble and opt to quit (give up). Once you are on the New Version's title screen, press B
to back-up. Choose the Old Version and Super Mode should be playable.

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. 

Soda can (enemies turn into various items)

Enter I.F, KIM, MTJ, NSO, or YSH as initials.

Original Mode for Old that allows you to access secret rooms even if you die. Enter
at Old mode's title screen: L, R, L, R, L, R, RIGHT, SELECT	

Power-up Mode for Old. Enter at the Old Mode title screen enter: SELECT, R, L, LEFT,
RIGHT, R, SELECT, RIGHT 

 Super Game mode – Old. Beat boss in Super mode with 2 players. Enter code at
Old title screen: LEFT, R, LEFT, SELECT, LEFT, L, LEFT, SELECT	

Super Mode – New. Select a save file, and go to the New title screen and enter:
RIGHT, R, LEFT, L, SELECT, R, SELECT, L