Bonus levels:
At the title screen, press L, Up, R, Down. If you entered the code correctly, a creature will appear
in the bottom right of the screen. Select "Puzzle Mode", then choose the new "Another World"
option. Alternatively, press A, Up, B, Down at the title screen.

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

Play as Bub:
At the game selection screen, press Z + L + R + A.

Level skip:
While playing a game, press Z + L + R + A.

                             Game Shark Codes

     Infinite Credits - 80120171 0005