Template:Major glitches
Arbitrary code execution (Generation I item, Coin Case glitch, Pikachu off-screen glitch ACE) | Bad clone glitch (Celebi trick, Duplicate key items glitch (TM/HMs outside of the TM/HM pocket), Celebi Egg trick, Missingning, Glitch Unown) | Cloning | Elite Four door glitch (Japan only) | Expanded item pack (Text pointer manipulation (item ball manipulation, mart buffer overflow) | Glitch City (RAM Manipulation) | Infinite Master Balls (Colosseum) | Large storage box byte shift glitch (remaining HP glitch, maximum stat glitch) | Left-facing shore tile glitch (Old Man Trick, Fight Safari Zone Pokémon trick) |Mimic glitch (Japan only) | Pikachu off-screen glitch | Pokémon merge glitch | Pomeg glitch (Pomeg corruption glitch) | (Mimic) Transform Rage glitch | Select glitches (Japan only) (Dokokashira door glitch (international), Fossil conversion glitch (international), walk through walls (international)) | Sketch glitch | SRAM glitch | Trainer House glitches | Tweaking | Trainer escape glitch (Death-warp | Mew Trick, Ditto Trick) | Walk through walls (ledge method, museum guy method, Rival's effect, Select glitch method) | Brock Through Walls | ZZAZZ glitch