From Glitch City Laboratories
of the Pokémon series
||Variants, consequences, and exploits
|Arbitrary code execution (various generations)
||see template, Remote code execution, Cart-swap arbitrary code execution, Unintended ROM code execution
|No major extensions
||99 item stack glitch (Generation I), Berry glitch (Generation III), Bug-Catching Contest data copy glitch (Japan only), Cloning, Ditto DV manipulation, Elite Four door glitch (Japan Diamond/Pearl only), Expanded party encounter table manipulation (Generation I), Item duplication glitch, Meta-map script activation (Generation I), Transform held item glitch (Japan only), Mimic glitch (Japanese Diamond/Pearl), Pokémon merge glitch ("Q Glitch", Generation I), Roaming Pokémon encounter glitch, (Mimic) Transform Rage glitch, Sketch glitch, Time Capsule exploit (Generation II), Tweaking (Generation IV)
|Buffer overflow techniques
||Japanese unterminated name glitch item instant encounter glitch, LOL glitch, Rival LOL glitch, Instant LOL glitch, RAM LOL glitch, oobLG, blockoobLG, Instant encounter infinite chain glitch (LGFly)), Super Glitch (Generation I) (party remaining HP glitch), Super Glitch (Generation III), Text pointer manipulation mart buffer overflow glitch, CoolTrainer♀-type move, Double distort CoolTrainer♀ corruption, Yami Shop glitch
|Item stack duplication glitch (Generation I)
||Generation I expanded items pack (Glitch Rocket HQ maps, Map FE (English and non-English European Yellow), Map script pointer manipulation (arbitrary code execution, map script pointer item ball manipulation), Text pointer manipulation (arbitrary code execution, item ball manipulation, mart buffer overflow), Trainerless instant encounter glitch
|Bad clone glitch (Generation II)
||????? party overloading (Type 0xD0 move glitch, ????? map corruption, Celebi trick, Celebi Egg trick, Shiny Celebi trick, Glitch move map corruption, Overloaded party map corruption, Glitch Unown (Glitch Unown map corruption) Duplicate key items glitch (Infinite items and item creation, Expanded Balls pocket (Wrong pocket TM/HMs, Glitch Pokédex categories))
|Select glitches (Japanese Red/Green)
||Closed menu: Dokokashira door glitch (International), Fossil conversion glitch (international), Second type glitch, Skip to Level 100 glitch, Trainer mutation glitch, Walk through walls (International), Lift glitch, Badge describer glitch
||Pomeg data corruption glitch ("Glitzer Popping")
|2x2 block encounter glitches (Generation I)
||Left-facing shore tile glitch (in-game trade shore encounter trick, Old man trick, Trade link up shore encounter trick, Fight Safari Zone Pokémon trick)
||Safari Zone exit glitch, RAM manipulation, Out of bounds Glitch City (Generation II), Slowpoke Well out of bounds corruption (French Gold/Silver/Crystal)
|Large storage box byte shift glitch
||Storage box remaining HP glitch, Generation I max stat trick
|Pikachu off-screen glitch
||Trainer corruption glitch
||Generation I save corruption, 255 Pokémon glitch, Send party Pokémon to a new game (Generation I), Generation II save corruption, Mailbox glitches, Mystery Gift item corruption, Trainer House glitches
|Surf down glitch
||Grass/rock Surfing glitch (Spanish/Italian only) (adaptions: Submerge glitch (international), 8 8 (0x7C) grass/rock surfing glitch (English Red/Blue))
|Trainer escape glitch
||Death-warp, Mew trick, Ditto trick, Experience underflow glitch
|Walk through walls
||Ledge method, Museum guy method, Rival's effect, Select glitch method (International Select glitch method), Brock Through Walls
||Party Pokémon box data shift glitch
(view, talk, edit)
Pokédex move 0x00 manipulation is a glitch technique that occurs in Pokémon Red, Blue, and Yellow, and is most useful in Pokémon Yellow due to a change that means carrying over saved screen data from outside of battle into battle is no longer possible in Yellow. This change meant move 0x00 corruptions were previously restricted only to two possible corruptions from solely within battle (MissingNo. and Horsea).
To perform this glitch, obtain - (Generation I move) and open and close the Pokédex in battle. This will corrupt the battle tiles, and in specific places (such as Route 1) a 0x50 sub-tile may appear on the screen.
Opening the items menu again will update the saved screen data, allowing the player to corrupt data by scrolling the Fight menu, allowing for not just MissingNo. (hex:32) and Horsea wild Pokémon corruptions but for other Pokémon as well such as Hitmonchan based on the map.
It is possible to use a custom Glitch City by modifying D35E/D35F (map blocks on the screen) to obtain more Pokémon. This Glitch City can also be a RAM Glitch City, allowing for more Pokémon.
The Pokémon that can be obtained this way depend on both the tileset and the arrangement of tiles from the map building blocks. Obtaining the glitch Pokémon 3TrainerPoké₽ this way has also been confirmed.
A form of double distort glitch may also be possible.
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