Game:

The Ball (2010)

Duration: 1:24

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Update 2: It works in all versions except English Yellow and possibly other localizations of Yellow, if you don't have all badges or a certain rival name and doesn't apply to just Ultra Balls and Great Balls. It also stops working once you get 20 items. See this thread for details about how the glitch actually works: http://forums.glitchcity.info/index.php/topic,6953.0.html

Update: It may work in versions other than Japanese Blue, including English Red/Blue, but not Yellow, though at some point it stops working for unknown reasons.


In Pocket Monsters Blue, when you buy two sets of Ultra Ball x99 or Great Ball x99 it messes some data up.

If you bought two sets of Ultra Ball x99 the exit mat will no longer work, and if you save and reset you can see that tiles appear below the exit mat.

If you bought two sets of Great Ball x99, your badges byte will be changed to something like 62h, which equates to having the Cascade Badge, Marsh Badge and Volcano Badge.

The cause is unknown. This glitch doesn't work on other versions, strangely not even in Red, Green or Pocket Monsters Pikachu.

Instead of another stack of x99, you can buy say 99 Great Balls and 1 Great Ball and get a different effect like no badges.

Do NOT save after buying the two sets of x99 Ultra Balls if you value your save file. You won't be able to escape Cinnabar Island PokéMart without blacking out, and there is no way to escape the Pokémon League at all, because loading the save file causes a freeze.

Relevant Poké Marts:

Lavender Town
Celadon Department Store - Great Ball section
Fuschia City
Cinnabar Island
Indigo Plateau

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