Bust-A-Move 2 – Arcade Edition – Nintendo64

Bust-A-Move 2 - Arcade Edition - Platform: Nintendo64

Extra levels
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Press L, Up, R, Down at the title screen. A creature will appear 
in the bottom right of the screen to confirm correct code entry. 
Select puzzle mode, then choose the new "Another World" option. 
Alternatively, press A, Up, B, Down at the title screen. 

Play as Bub
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Press Z + L + R + A at the game selection screen. 

Level skip
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Press Z + L + R + A during game play. 

Bonus characters
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Select "Puzzle Mode". Then, press Left(2), Up, Down, L, R, L, R, 
L + R at the puzzle selection screen. Bub, Bob, and the Boss 
characters may be selected