CheatCodes.com has all the official Bubble Bobble: Old & New GBA cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Tuesday June 18, 2013 for Bubble Bobble: Old & New are shown below.
At the Bubble Bobble Old title screen, press Select, R, L, Left, Right, R, Select, Right.
At the Bubble Bobble Old title screen, press L, R, L, R, L, R, L, Right, Select.
On 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 go back to normal mode.
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