Glitch City Laboratories Archives

Glitch City Laboratories closed on 1 September 2020 (announcement). This is an archived copy of an article from Glitch City Laboratories wiki.

A live version of this article is available at the Glitch City Wiki here.

You can join Glitch City Research Institute to ask questions or discuss current developments.

You may also download the archive of the wiki in .tar.gz or .xml.gz formats.


(↑ Back to the DexDex index)

Template:ItemInfoGenII TMHM

Pokédex sorting 0x99 is a glitch Pokédex sorting in Pokémon Crystal.


  • Game may freeze due to an invalid opcode (0xEB) at address 10:777B in ROM, but freeze can be avoided if invalid opcode is ignored.
  • Can open mode selection screen with Select, where description may be "q4 4 Ü8? hF4▷'d rRZ tzx rPoZ tzx 4( rREDF QぅÄB ' ' ' [Dude control character?] ₽?hyHrXFGEYYr FGEYR₽?hyHrwFGDYFr FGD't ]M ." or similar. Unknown effect for pressing A/game does not freeze

    When accessed with C7D8 method

  • Unknown effect for pressing A/game does not freeze