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Bonk's Adventure (Game Boy)

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Title Screen

Bonk's Adventure

Also known as: GB Genjin (JP), B.C. Kid (EU)
Developer: Hudson Soft
Publisher: Hudson Soft
Platform: Game Boy
Released in JP: November 27, 1992
Released in US: December 1992
Released in EU: 1992

CodeIcon.png This game has unused code.
LevelSelectIcon.png This game has a hidden level select.

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Unused Level Select

Bonk's Adventure (Game Boy)-levelselect.png

An unused Level Select routine can be found at 07:$4000 in the Japanese version or at 01:$4224 in the USA/European versions, however no code ever calls it.

In the Japanese version use the Game Genie code 009-23E-5D5. During the game, press B + Select.

In the USA/European versions, using the Game Genie codes 339-02F-7F3+429-03F-C42 will replace the Stage display screen with the Level Select as well as skip the button code to call it. With this code stages are selectable, but there are some issues before the level starts.

Regional Switch

The USA/European versions of the game has exactly the same ROMs, except differences in ROM headers. Each ROM contains both the European and the USA title screens data, controlled by the hardwired switch at the 00:$0003 in ROM. For the USA version its value is 0, for the European version 1 correspondingly.

Using the Game Genie codes 010-03F-E6A (for the US version) or 000-03F-E6E (for the European version) you can switch the game to other title screen mode.