Bubble Bobble New – Super mode
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Select a saved game, go to the title screen,
then press Right, R, Left, L, Select, R, Select, L.
Bubble Bobble Old – Super mode
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Select a saved game, go to the title screen, then press
Left, R, Left, Select, Left, L, Left, Select.
Bubble Bobble Old – Power-up mode
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Select a saved game, go to the title screen, then press
Select, R, L, Left, Right, R, Select, Right.
Bubble Bobble Old – Original mode
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Select a saved game, go to the title screen, then press
L, R, L, R, L, R, Right, Select.
