Bust-a-Move 4
Also known as: Puzzle Bobble 4
Also known as: Simple 1500 Series Vol. 93: Puzzle Bobble 4

Walkthroughs and Guides
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On the Push Start Button screen enter the button combinations below for a bonus world.

Triangle, Left, Right, Left, Triangle (NTSC version)

Square, Circle, X, Square, Circle (PAL version)

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