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Game Genie BIOS (Game Boy)

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Title Screen

Game Genie

Developer: Codemasters
Publisher: Galoob
Platform: Unlicensed Game Boy
Released in US: 1992


DevMessageIcon.png This game has a hidden developer message.
CopyrightIcon.png This game has hidden developer credits.
TextIcon.png This game has unused text.


Your friendly neighborhood ROM-editing device, on Game Boy! Betcha didn't think there'd be a page for one of these, did you?

Hidden Developers Credits

Stored at the very beginning of the ROM.

Game Genie(TM) s/ware Vsn 1.17:8-Oct-1992 (C)1992 Codemasters Software Company Limited.
All rights reserved.Hardware:RDA @ LoftLogic, prototypes:RDA & CVJ, Software:RFW @ Big Red.
Code finding:Big Red & co., testing:PRG & DRC(The Loft Lads)

Secret Button Codes

As in the Game Gear version, entering certain commands at the code screen will display one of several hidden messages or enable some special effects.

Message 1

Gbgamegenie-cheat0.png

Press Up, Down, Left, Right.

CONGRATULATIONS!
YOU'VE FOUND THE
EASY SECRET!

NOW FIND THE
HARD ONES!

Message 2

Gbgamegenie-cheat1.png

Press B, A, Left, Right, Select.

HELP! I'M A
PRISONER IN A
GAME GENIE
FACTORY!

Message 3 (Credits)

Gbgamegenie-cheat2.png

Press Up, Up, A, B, A, Down, Down.

   GAME GENIE

BUILT BY:
RICHARD APLIN

PROGRAMMED BY:
R FRED W

MANAGED BY:
TED CARRON

"R Fred W" was a pseudonym used by R. Fred Williams in several Big Red Productions releases.

Message 4

Gbgamegenie-cheat3.png

Press Right, Up, Down, Up, Left, Up, Down, Up.

POEMS HAVE,

RHYMES,

SOMETIMES.

Message 5

Gbgamegenie-cheat4.png

Press B, A, B, Right, Left, Down, Up.

THERE'S RAIN
OUTSIDE,

AND THAT IS
WHY A,

LAUNDRY DAY,

NEEDS A CLOTHES
DRIER.

Message 6

Gbgamegenie-cheat5.png

Press A, A, A, A, B, B, B, Start.

WASHING, WASHING
ON THE LINE,

WHO'S THE FAIREST
OF THE FINE?

BLUEY WHITENESS!

Message 7

Gbgamegenie-cheat6.png

Press Right, Left, Right, Left, Down, Down, Up, Up.

PROVOCATION IS
NOT A JOB FOR
AMATEURS.

Message 8

Gbgamegenie-cheat7.png

Press Down, Up, Down, Down, Left, Right, Left, Start.

BEWARE:



STRIPES!

Message 9

Gbgamegenie-cheat8.png

Press A, B, A, B, B, A, A, Select.

'BREEZY':-

FRESH AIR FROM
THE ALPS!

COMES IN AN
EASY-TO-USE
AEROSOL CAN!

Easter 1

Gbgamegenie-cheat9.png

Press A, Left, Left, A, B, Right, Right, B to make the large fonts flip upside-down.

Easter 2

Gbgamegenie-cheatA.png

Press B, Down, Down, A, B, Up, Up, A to make the small fonts flip upside-down.

(Source: nensondubois, CaH4e3)

Secret Game Genie Codes

Hmmm...
To do:
Codes 1, 2, 5, 8, and 9 should probably have GIFs to better demonstrate the results.

Blank out code line #3, enter one of the below codes, then press A on the first space of code line #1 to toggle the result. Several codes' effects can be combined, such as the first two.

Code 1

Enter DEA-D to make the screen shake vertically.

Code 2

Enter ABA-CAD-ABA to make the screen shake horizontally.

Code 3

Gbgamegenie-ggcode3.png

Enter F15-4 to turn the main selection cursor into a fish.

Code 4

Gbgamegenie-ggcode4.png

Enter FAC-E to turn the GG cursor into a happy face.

Code 5

Gbgamegenie-ggcode5.png

Enter 198-4 to make the device "explode".

THIS DEVICE WILL
EXPLODE IN 10
SECONDS!

(Counts down to 0, then...)

...PFFFT...

RATS. FORGOT THE
DYNAMITE!

Code 6

Enter BAC-4 to invert the D-Pad buttons.

Code 7

Enter 1CE to not be able to release the D-Pad.

Code 8

Gbgamegenie-ggcode7.png

Enter 414-E5 to make the screen wave horizontally.

Code 9

Gbgamegenie-ggcode8.png

Enter 6EE-6 to make the screen wave vertically.

(Source: RFredW)