Coin Case glitches

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Coin Case glitches are a variety of glitches involving the Coin Case in Gold and Silver Versions. They all involve listening to a Pokémon's cry then immediately using the Coin Case. Due to a translation bug, the Coin Case text is improperly terminated, making the game jump to $E112 every time it is used. This section of RAM is used by the game to store data related to Pokémon cries. Depending on the Pokémon's cry listened to, one of several effects will be activated: the game may restart with an altered color scheme and possibly blocks of color placed on the screen ("Glitch Dimension", "Shadow Puppet Effect" and "Shadow Puppets"), the game may crash to a white screen, or "Coin Case:" and a glitch phrase may be displayed (e.g., "which move?PP of"). The most well known of these glitches can be performed in Pokémon Gold using the Machop in Vermilion City.

Glitches caused by each Pokémon cry

Pokémon Effect
Bulbasaur ‡Glitch Dimension
Ivysaur *which move?PP of
Venusaur *which move?
Charmander *which move?PP of
Charmeleon *which move?PP of
Charizard *which move?
Squirtle *which move?PP of
Wartortle *which move?PP of
Blastoise *which move?
Caterpie ‡Glitch Dimension
Metapod ‡Glitch Dimension
Butterfree *which move?PP of
Weedle ‡Glitch Dimension
Kakuna Glitch Dimension
Beedrill ‡Glitch Dimension
Pidgey ‡Glitch Dimension
Pidgeotto *which move?
Pidgeot *which move?
Rattata *which move?
Raticate *which move?
Spearow *which move?
Fearow *which move?
Ekans *which move?PP of
Arbok ‡Glitch Dimension
Pikachu ‡Glitch Dimension
Raichu ‡Glitch Dimension
Sandshrew *which move?PP of
Sandslash *which move?
Nidoran♀ ‡Glitch Dimension
Nidorina Glitch Dimension
Nidoqueen *which move?
Nidoran♂ *which move?
Nidorino ‡Glitch Dimension
Nidoking *which move?
Clefairy ‡Glitch Dimension
Clefable Game crashes
Vulpix ‡Glitch Dimension
Ninetales ‡Glitch Dimension
Jigglypuff ‡Glitch Dimension
Wigglytuff ‡Glitch Dimension
Zubat ‡Glitch Dimension
Golbat *which move?
Oddish ‡Glitch Dimension
Gloom *which move?PP of
Vileplume *which move?
Paras Glitch Dimension
Parasect *which move?
Venonat *which move?PP of
Venomoth *which move?
Diglett ‡Glitch Dimension
Dugtrio ‡Glitch Dimension
Meowth ???
Persian *which move?
Psyduck ‡Glitch Dimension
Golduck *which move?PP of
Mankey ‡Glitch Dimension
Primeape *which move?PP of
Growlithe *which move?PP of
Arcanine *which move?
Poliwag *which move?
Poliwhirl ‡Glitch Dimension
Poliwrath *which move?
Abra ‡Glitch Dimension
Kadabra *which move?
Alakazam *which move?
Machop Glitch Dimension
Machoke Glitch Dimension
Machamp Glitch Dimension
Bellsprout Glitch Dimension
Weepinbell ???
Victreebel which move?
Tentacool ‡Glitch Dimension
Tentacruel which move?
Geodude ‡Glitch Dimension
Graveler *which move?
Golem *which move?PP of
Ponyta *which move?
Rapidash *which move?
Slowpoke *which move?
Slowbro *which move?
Magnemite ‡Glitch Dimension
Magneton *which move?
Farfetch'd Glitch Dimension
Doduo ‡Glitch Dimension
Dodrio Glitch Dimension
Seel ‡Glitch Dimension
Dewgong *which move?
Grimer *which move?
Muk *which move?
Shellder *which move?
Cloyster Glitch Dimension
Gastly *which move?
Haunter *which move?PP of
Gengar *which move?
Onix *which move?
Drowzee ‡Glitch Dimension
Hypno *which move?PP of
Krabby Glitch Dimension
Kingler Glitch Dimension
Voltorb ‡Glitch Dimension
Electrode ‡Glitch Dimension
Exeggcute *which move?
Exeggutor *which move?
Cubone *which move?
Marowak ???
Hitmonlee ‡Glitch Dimension
Hitmonchan *which move?
Lickitung *which move?
Koffing *which move?
Weezing *which move?
Rhyhorn *which move?
Rhydon *which move?
Chansey *which move?
Tangela *which move?
Kangaskhan *which move?
Horsea ???
Seadra ‡Glitch Dimension
Goldeen *which move?PP of
Seaking *which move?
Staryu Game crashes
Starmie *which move?
Mr. Mime *which move?PP of
Scyther *which move?
Jynx *which move?
Electabuzz *which move?
Magmar ???
Pinsir *which move?
Tauros *which move?PP of
Magikarp ‡Glitch Dimension
Gyarados *which move?
Lapras *which move?
Ditto *which move?
Eevee ‡Glitch Dimension
Vaporeon *which move?
Jolteon *which move?
Flareon ‡Glitch Dimension
Porygon *which move?
Omanyte Glitch Dimension
Omastar *which move?PP of
Kabuto *which move?PP of
Kabutops Game crashes
Aerodactyl *which move?
Snorlax Game crashes
Articuno *which move?PP of
Zapdos *which move?
Moltres *which move?PP of
Dratini *which move?PP of
Dragonair *which move?
Dragonite *which move?
Mewtwo *which move?
Mew *which move?
Chikorita ‡Glitch Dimension
Bayleef *which move?
Meganium ‡Glitch Dimension
Cyndaquil ‡Glitch Dimension
Quilava *which move?
Typhlosion *which move?
Totodile ‡Glitch Dimension
Croconaw ‡Glitch Dimension
Feraligatr *which move?
Sentret ‡Glitch Dimension
Furret *which move?
Hoothoot ???
Noctowl *which move?
Ledyba ???
Ledian ???
Spinarak ‡Glitch Dimension
Ariados *which move?
Crobat *which move?
Chinchou *which move?
Lanturn ‡Glitch Dimension
Pichu *which move?
Cleffa ‡Glitch Dimension
Igglybuff No effect
Togepi *which move?
Togetic Game crashes
Natu ‡Glitch Dimension
Xatu Glitch Dimension
Mareep ‡Glitch Dimension
Flaaffy ‡Glitch Dimension
Ampharos Game crashes
Bellossom *which move?
Marill No effect
Azumarill *which move?
Sudowoodo *which move?
Politoed *which move?
Hoppip ???
Skiploom ???
Jumpluff *which move?
Aipom ???
Sunkern ???
Sunflora *which move?
Yanma ‡Glitch Dimension
Wooper No effect
Quagsire *which move?
Espeon *which move?
Umbreon Game crashes
Murkrow *which move?
Slowking ‡Glitch Dimension
Misdreavus ???
Unown *which move?
Wobbuffet *which move?
Girafarig ‡Glitch Dimension
Pineco *which move?
Forretress *which move?
Dunsparce *which move?
Gligar *which move?
Steelix ???
Snubbull ???
Granbull *which move?
Qwilfish Game crashes
Scizor ???
Shuckle ???
Heracross ‡Glitch Dimension
Sneasel No effect
Teddiursa No effect
Ursaring No effect
Slugma No effect
Magcargo *which move?PP of
Swinub *which move?
Piloswine *which move?
Corsola ???
Remoraid *which move?
Octillery *which move?
Delibird ???
Mantine ‡Glitch Dimension
Skarmory *which move?
Houndour *which move?
Houndoom *which move?
Kingdra *which move?
Phanpy *which move?
Donphan *which move?
Porygon2 ‡Glitch Dimension
Stantler *which move?
Smeargle ???
Tyrogue Glitch Dimension
Hitmontop *which move?
Smoochum *which move?
Elekid ???
Magby *which move?
Miltank ‡Glitch Dimension
Blissey *which move?
Raikou *which move?
Entei *which move?
Suicune *which move?
Larvitar *which move?PP of
Pupitar *which move?
Tyranitar *which move?
Lugia *which move?
Ho-Oh *which move?
Celebi Glitch Dimension
?????????? ‡Glitch Dimension
  • An asterisk by an effect means that the text is displayed in a dialogue box one line under "Coins:".
  • "†" (a dagger)in addition to an asterisk by an effect means that the text goes over the edge of the dialogue box.
  • "‡" (double daggers) by an effect means that a special version of the "Glitch Dimension" is started, dubbed "Shadow Puppets" or called the "Shadow Puppet Effect".

Display alterations

Glitch dimension

Main article: Glitch dimension

When accessed, the game restarts in what appears as an altered color scheme. This is particularly evident in the beginning cutscene/intro movie. The entire (apparently) game can be played as normal. When the player talks to a character, gets on his bike, goes through a door/portal, opens the menu, or does any other action affecting his sprite (though not necessarily changing it), a purple block is generated depending on the position of the player. At other times, seemingly randomly, blocks of color will be generated. For example, after flying to Cinnabar Island and Surfing downwards, the water will be blue, red and green in different places. Battles will be conducted with the colors of the HP bar, names, Pokémon, and Trainers altered, and with blocks of purple. Interestingly, the blocks seem to slide across the screen as the battle begins (at the point where the stat areas and Trainer slide into view). In towns, houses, routes, and other locations, blocks of color can be made to disappear by moving so that they move off-screen. The blocks appear to not be just a display problem, because they scroll with the map. This is apparently caused by the game thinking that it is being played on a Classic Game Boy.

When a cheating device is used to walk through objects, in some cases where the game does not freeze when the player walks out of the game, the game will restart in a "clean" glitch dimension where the background of the title screen is gray and has no blocky effects. Gameplay will be virtually the same, the only difference being; when a person is talked to, glitch dimension blocks will appear.

When the game is restarted, the color scheme is forced to use the player's palette on the title sequence. This makes it appear to display Ho-Oh in color, due to the similarities in the palette and where the colors are assigned. Lugia's sprite is assigned only two colors in Silver and will not display in color.

Ho-Oh in a "clean" Glitch Dimension.


By Zachtheglitchbuster
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By Crystal_
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Shadow Theater

Everything is completely white, except for the sprites (such as the player character, the NPCs, the Game Freak logo at the beginning). The sprites are either black, extremely darkened, dark blue, or near white. Sometimes an already-dark sprite will become white. Sprites with areas of high contrast (near black near white combinations) will appear partially black and partially white. Menus are not visible, but it is possible to navigate through them by memory. When viewing the PokéGear only the arrow selector pointing upwards is visible in the upper-left corner. During battles, the images of the Pokémon are not visible, but the blacked-out move graphics are. The specific cause of this is unknown, but is probably related to the cause of the Glitch Dimension.


By Gligar13Vids
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Changes in the beginning cutscene

Object(s) Original color Color in Glitch Dimension Color in Shadow Theater
Game Freak logo Yellow White Black
Shellder Blue-white with red tongue Pink with blue tongue Black
Lapras Blue with blue-white shell Pink-Red with light pink shell Black
Magikarp Red Blue Black
Pikachu Yellow, red cheek pouches Same as normal color Black
Jigglypuff Purple Same as normal color Black
Totodile Light blue Pink Black
Chikorita Green Light orange Black
Cyndaquil Orange and black with red flames Same as normal color Black with white detail
Charizard Red Blue White
Gold Version Gold Silver Invisible
Ho-Oh silhouette Black Red with pink wing tips Black
Sparkles from silhouette Yellow Purple Black
Silver Version Silver Blue-grey with white highlight Invisible
Lugia silhouette Black Black Black
Clouds from silhouette Grey Black Black
"Pokémon" logo Yellow with blue border Dark yellow with blue border and green shadow Invisible/White

Arbitrary code execution

See also: Arbitrary code execution

Perfect EVs

When the game jumps to $E112, it starts executing data related to Pokémon cries as machine instructions. In particular, when Coin Case is used after hearing the Machop cry, the game will eventually reach address $E912. Data around that address is related to the overworld and can be manipulated through moving around in different patterns. When exiting Professor Elm's Laboratory and moving four steps to the right (prior to using the Coin Case after hearing the Machop's cry), the game will jump to address $FA98, which is in the middle of the data of the third Pokémon in the player's party. The game can therefore be made to execute specific code, based on the Pokémon's attributes such as species, item held, ..., by deliberately placing party Pokémon. By placing a specific species of Pokémon in the fourth slot of the party with the correct held item and first move, the game's execution may even be made to jump to the memory area that stores the items deposited in the player's PC, where code will execute based on the identifier and quantity of the items in the PC.

By Crystal_
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Pokémon modifying using box names

By using the correct box names and meeting the following requirements, the player can modify the Pokémon in party slot 1, such as changing it into another Pokémon. The player needs the following party:

  • Slot 1: Pokémon that the player wants changed
  • Slot 2: Any Pokémon
  • Slot 3: A low-leveled freshly caught "slide Pokémon"

The player must also have Bellsprout registered in the Pokédex to listen to its cry.

How to perform:

  • Leave the Pokémart and take 4 steps to the right
  • Switch pockets (required) and use the Coin Case
  • If performed correctly, the menus will slow down and the sprites will disappear. To fix it save the game and reset.

The "slide Pokémon" can be any freshly caught Pokémon (Recommended to be caught on Route 29). If the steps are performed correctly but Glitch Dimension is triggered, then the slide Pokémon is "bad". Simply catch another Pokémon and repeat if it doesn't work. Once a "good" slide Pokémon is caught, it will always work.[citation needed]

Make Pokémon 1 shiny

The following box names are needed:

  • Box 1: A p 0 'd 'v R 5 5
  • Box 2: é 'm 2 p p 0 4 5
  • Box 3: é A 4 p 0 'd 'v Q
  • Box 4: é ? 2 p 0 k 5 5
  • Box 5: 5 5 é A 4 p p p
  • Box 6: 'v 7 'v 'd é 4 2 p
  • Box 7: é D 9 'l 'l A 'l x
  • Box 8: 'd 5 5 5 5 5 5 5

Modify Pokémon species in party slot 1

The following box names are needed:

  • Box 1: A p 0 k 'v A 5 5
  • Box 2: é 'm 2 p [x x x x]*
  • Box 3: é A 4 p 'v 7 'v 'd
  • Box 4: é ♂ 2 p é D 9 'l
  • Box 5: 'l 5 5 5 5 5 5 5
  • Box 6: 5 5 5 A 'l x 'd 5

*The species is modified by the last 4 letters/numbers in box 2's name, to obtain different Pokémon only box 2 needs to be changed. After performing the glitch correctly the player needs to deposit the Pokémon in slot 1 at the Day Care and withdraw it. Its name will not be changed (e.g. its name may still be "PIDGEY"), however the player can rename it at the Name Rater in Goldenrod City (as long as it's not an outsider), it will also have its old moves and will not be registered in the Pokédex.

Pokémon obtained by modifying box 2

Note: Unless noted otherwise all capital "O"s are zeros (0).

Unused Memory Game

The glitch can be used for executing the code for the unused memory game. The player needs a Quagsire, which holds the item HP-UP and a new captured Pokémon, which does not hold an item. Also the player needs the following items in his PC in the following order:

  • Max Revive x1
  • Full Restore x4
  • PP UP x56
  • X-Accuracy x99
  • Blackglasses x44
  • Dire Hit x44
  • Dire Hit x44
  • TM 16

Then the player has to go back to Professor Elm's Laboratory, save the game, exit and moving four steps to the right. If you now hear the cry of a Bellsprout, it is possible to enter the memory game by opening the Coin Case.

By pokemontutorialTV
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Transform glitchesGlitch TrainersCloning glitchesError messagesArbitrary code execution
Generation I: --0 ERRORBroken hidden itemsCable Club escape glitchExperience underflow glitch
Fight Safari Zone Pokémon trickGlitch CityItem duplication glitchItem underflowMew glitch
Old man glitchPewter Gym skip glitchPokémon merge glitchRhydon glitch
Select glitches (dokokashira door glitch, second type glitch) • Super GlitchTime Capsule exploitZZAZZ glitch
Generation II: Bug-Catching Contest data copy glitchCelebi Egg glitchCoin Case glitchesExperience underflow glitch
Glitch dimensionGlitch EggTeru-samaTime Capsule exploitTrainer House glitchesGS Ball mail glitch
Generation III: Berry glitchDive glitchPomeg glitchGlitzer Popping
Generation IV: Acid rainGTS glitchesPomeg glitch
Surf glitchTweakingPal Park Retire glitch
Generation V: Sky Drop glitchFrozen Zoroark glitchChoice item lock glitchCharge move replacement glitch
Generation VI: Choice item lock glitchCharge move replacement glitchLumiose City save glitch
Symbiosis Eject Button glitchToxic sure-hit glitch
Generation VII: Charge move replacement glitchChoice item lock glitchToxic sure-hit glitchRollout storage glitch
Generation VIII: Charge move replacement glitchChoice item lock glitchToxic sure-hit glitchRollout storage glitch
Glitch effects: Game freezeGlitch battleGlitch song
Gen I only: Glitch screenTMTRAINER effectInverted sprites
Gen II only: Glitch dimension
Lists: Glitches (Gen IGen IIGen IIIGen IVGen VGen VIGen VIIGen VIIISpin-off)
Glitch Pokémon (Gen IGen IIGen IIIGen IVGen VGen VIGen VIIGen VIII)
Glitch moves (Gen I) • Glitch types (Gen IGen II)

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.