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.

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Template:ItemInfoGenII TMHM

Pokédex sorting 0xA8 is a glitch Pokédex sorting in Pokémon Crystal.


  • Arbitrary code execution at region D880 in RAM when opened. Can be ended with only a ret with no other changes to the CPU.
  • Pressing Select may load the mode selection screen for a while with corrupted text, before automatically closing it and causing a Glitch City. Arbitrary code execution may follow and/or a Glitch Dimension and the "This Game Pak is designed only for use on the Game Boy Color." message.

    When accessed with C7D8 method

  • Pressing A may cause arbitrary code execution at region EAFF in Echo RAM (a copy of CAFF). Can be ended with only a ret with no other changes to the CPU registers.