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Glitch song

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Glitch songs are continuous sounds produced by glitch Pokémon, glitch text strings or game freezes. Glitch songs may either take on a melodic tune or a chaotic one. They are commonly found in the place of a glitch Pokémon's cry. Certain glitch songs may result in a game freeze, while others may force the player to shut off the game because they never end.


Glitch song can be triggered by:

  • A glitch Pokémon's cry: ゥ ( Z4's cry is constantly changing and may cause the game to play long strings of sounds.
  • Viewing the sprites of certain glitch Pokémon: ♀ .'s sprite corrupts several sound-related memory areas, often causing an infinite glitch song to play, sometimes incorporating one of the channels of Silph Co. music, other times that used in Pokémon battle, and other times other random data.
  • Game crashes: In Pokémon Green, walking out of bounds in Pallet Town may cause a glitch song to play.
  • Parts of glitch dialogue: Pokédex entries of certain glitch Pokémon (h POKé or ゥ .4) play long strings of sound effects, and eventually may fall into an infinite loop.



These glitch songs are composed primarily of pieces of actual sound files, seeming to be actual songs themselves.

By PlanetOrigami
Videos are currently unavailable on Bulbapedia; instead, you can watch the video on YouTube here.


These glitch songs are composed of garbage data, or non-sound data read as a sound file, making random noises. If this is used for the glitch Pokémon's cry, it can play nonstop for up to 30 minutes.

By Gligar13Vids
Videos are currently unavailable on Bulbapedia; instead, you can watch the video on YouTube here.

Low HP Loop

Low HP loop is a older, incorrect theory of why songs would continue to play forever. It was presumed that the repeating nature of the low-HP sound would cause songs to repeat. The actual cause is writing of the ram that controls audio.

Cloning glitchesGlitch PokémonGlitch typesError messages
Generation I: --0 ERRORCable Club escape glitchExperience underflow glitchGlitch CityGlitch dimension
Glitch movesGlitch TrainersItem duplication glitchJohto guard glitchMew glitchOld man glitchPewter Gym skip glitch
Pokémon merge glitchRhydon glitchSelect glitches (dokokashira door glitch, second type glitch)
Super GlitchZZAZZ glitch
Generation II: Celebi Egg glitchCoin Case glitchesExperience underflow glitchGlitch Egg
Johto guard glitchSketch glitchTeru-samaTrainer House glitchesGlitch dimension
Generation III: Berry glitchDive glitchPomeg glitch
Generation IV: Acid rainGlobal Terminal glitchesMimic glitch
Pomeg glitchRage glitchSurf glitchTweaking
Generation V: Sky Drop glitchFrozen Zoroark glitch
Generation VI: Lumiose City save glitch
Glitch effects: Game freezeGlitch battleGlitch song
Gens I/II only: Japanese characters in the international versions
Gen I only: Glitch screenTMTRAINER effectInverted sprites
Gen II only: Glitch dimension
Lists: Glitch movesGlitch types
Glitch Pokémon (Gen IGen IIGen IIIGen IVGen VGen VI)
Glitches (Gen IGen IIGen IIIGen IVGen VGen VISpin-off)

Project GlitchDex logo.png This article is part of Project GlitchDex, a Bulbapedia project that aims to write comprehensive articles on glitches in the Pokémon games.