CheatCodes.com has all the official Xtreme Sports Game Boy cheats to unlock everything. If you know of any that we don't have, please let us know.
All published and official codes as of Wednesday June 19, 2013 for Xtreme Sports are shown below. We also have this game on Dreamcast, Game Boy, and sometimes tricks from other game systems will also work on Game Boy.
When the title screen comes up, press left 5, up 5, right 5, down 5, and select 5 times. Go to test image. Whoever you have for a character will come up in a close-up version.
Enter "xyzzy" as a case-sensitive name. Then, hold A and press Select to increase the medal count to 400. Hold A and press Select again to reset the count to 0.
Enter "staff" as a case-sensitive name. Enter the snack shop to view the ending sequence. Note: This also unlocks the hidden credits level. Quickly jump twice to get on top of the low building that appears immediately before the programmer's credit. Then, jump up and keep jumping to the right on the clouds until you find a hidden message.
At the title screen, press Left(5), Up(5), Right(5), Down(5), Select(5) to unlock all levels and bonuses. To access the sound test, hold A and press Left or Right to make a selection, then press Select to hear it. Select the "Scrapbook" option to view background information about the game.
Found some tricks that we don't have? Got some helpful hints, tips, or tactics we don't know about? Tell us and you could win a free Game Boy game (or any other game you want for any video game system)!