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Walk through walls glitch (ledge method)
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Major glitches of the Pokémon series

GB.png Arbitrary code execution GB.png

0x1500 control code arbitrary code execution (Crystal) | Cart-swap arbitrary code execution | Generation I custom map script pointer | Generation I invalid meta-map scripts | Generation I item ("8F", "ws m", "-g m", "5かい", "てへ" etc.) | Generation I move ("-", "TM42") | Generation I Trainer escape glitch text boxes | Generation II bad clone | Generation II Burned Tower Silver | Japanese Crystal Pokémon Communication Center SRAM glitches | Coin Case glitch | Generation II glitch Pokédex sortings | Pikachu off-screen glitch ACE | OAM DMA hijacking | Pikachu glitch emote | Generation III glitch Pokémon summary | Generation III glitch move animation) | Remote code execution | TM/HMs outside of the TM/HM pocket | ZZAZZ glitch Trainer FC

Bulbasaur.png No further extensions Bulbasaur.png

Cloning | Item duplication glitch (Generation I) | Pokémon merge glitch ("Q Glitch", Generation I) | Time Capsule exploit | Bug-Catching Contest data copy glitch (Generation II, Japan only) | Berry glitch | Battle Tower Lati@s glitch (Generation III) | (Mimic) Transform Rage glitch (Generation IV)

Transform held item glitch (Generation IV, Japan only) | Mimic glitch (Generation IV, Japan only)

Bruno.png Buffer overflow techniques Bruno.png

99 item stack glitch | LOL glitch | Rival LOL glitch | Instant LOL glitch | RAM LOL glitch | Out of bounds LOL glitch | 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 | Party Pokémon box data shift glitch | Unterminated name glitch item instant encounter (Japanese Red/Green)

Ball.png Item stack duplication glitch (Generation I) Ball.png

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

PC.png Bad clone glitch (Generation II) PC.png

????? 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))

Lab pass.png Closed menu Select glitches (Japanese Red/Green) Lab pass.png

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

Gromeg berry.png Pomeg glitch (Generation III) Gromeg berry.png

Pomeg data corruption glitch ("Glitzer Popping") | Charm glitch

Darkrai.png Voiding (Generation IV) Darkrai.png


Broken escalator glitch (Japan only) | Elite Four door glitch (Japan only)

Lying old man.png 2x2 block encounter glitches (Generation I) Lying old man.png

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) | Viridian Forest no encounter grass tiles glitch

Glitchtile.png Glitch City Glitchtile.png

Safari Zone exit glitch | RAM manipulation | Out of bounds Glitch City (Generation II) | Slowpoke Well out of bounds corruption (French Gold/Silver/Crystal)

RBYPC.png Large storage box byte shift glitch RBYPC.png

Storage box remaining HP glitch | Generation I max stat trick

Pikachu.png Pikachu off-screen glitch Pikachu.png

Trainer corruption glitch

Tereka.png SRAM glitches Tereka.png

Generation I save corruption | 255 Pokémon glitch | Expanded party encounter table manipulation (Generation I) | Send party Pokémon to a new game (Generation I) | Generation II save corruption | Mailbox glitches | Mystery Gift item corruption | Trainer House glitches

Ditto.png Trainer escape glitch Ditto.png

Death-warp | Ditto trick | Experience underflow glitch | Mew trick | Text box ID matching | Meta-map script activation

Brock.png Walk through walls Brock.png

Ledge method | Museum guy method | Rival's effect | Select glitch method (International Select glitch method), Brock Through Walls

Surf.png Surf down glitch Surf.png

Grass/rock Surfing glitch (Spanish/Italian only) (adaptions: Submerge glitch (international)) | 8 8 (0x7C) grass/rock surfing glitch (English Red/Blue))

(view, talk, edit)
PRAMA Initiative a également une page sur Walk through walls glitch (ledge method).
Bulbapedia also has an article about Walk through walls glitch (ledge method).

The "walk through walls" GameShark code has always been fun and useful to people. Contrary to popular belief, a similar effect is possible without the use of a cheating device via a glitch. The first report of this glitch seems to trace back to the old French board Trusteight (which later became PRAMA Initiative) by Snowsnake.


  • Must be able and know how to do the Safari Zone exit glitch (also known as the "Glitch City" glitch).
  • Pokémon with high HP or a lot of potions (preferably both).
  • At least one poisoned Pokémon.


  1. Get all the Pokémon in the party poisoned or fainted. (It helps if the player only has one Pokémon in the party)
  2. Enter the Safari Zone gate, pay and enter.
  3. Exit the Safari Zone, but answer NO to the "Leaving early ?" message.
  4. Don't move, save and reset.
  5. Immediately after resuming, exit the Safari Zone, walk down until the guy prompts you with the welcome dialogue. Say no, and exit.
  6. The 500th Safari Zone step has to be on a ledge.
  7. If performed correctly, there should be some "9" under the player, instead of the shadow. Skip the dialog.
  8. The player should be in the Safari Zone entrance building, and will be able to the walk through walls.
  9. Walk around until all of the player's Pokémon faints (The game will crash if the player tries to leave through the door).
  10. The player is now at the last Pokémon Center visited/home and will have the ability to walk through walls.

An alternate method is possible in Pokémon Red and Blue by exploiting the walk around with only fainted Pokémon glitch. It is slightly faster (you don't need to repeatedly heal your Pokémon), slightly easier (you don't need a poisoned Pokémon, but a fainted Pokémon, which is easier to obtain) and you don't need to count your steps.

  1. Get at least one fainted Pokémon in your party.
  2. Enter the Safari Zone gate, pay and enter.
  3. Walk around until you have nearly 33 steps (32 should be perfect) remaining.
  4. Immediately after resuming, exit the Safari Zone, but answer NO to the "Leaving early ?" message.
  5. Don't move, save and reset.
  6. IMPORTANT : Go in straight lines, as the step count is very tight.
  7. Exit the Safari Zone, walk down until the guy prompts you with the welcome dialogue. Say no, and exit.
  8. Fly to Vermilion City (Fuchsia City is also possible if you exited with more than ~37 steps)
  9. Enter the Pokémon Center, go to the PC in straight lines.
  10. Deposit every non-fainted Pokémon.
  11. Save and reset.
  12. Walk three steps left, save and reset.
  13. Walk three other steps left, save and reset.
  14. Walk three last steps left, save and reset.
  15. Walk three steps down, exit the building, save and reset (for safety).
  16. When outside, walk (save and reset if needed) and your last step before you are warped to the Safari Zone gate should be on a ledge. (If you left the Safari Zone with 33 steps remaining, you should walk left once, then down onto the ledge)
  17. If performed correctly, there should be some "9" under the player, instead of the shadow. Skip the dialog.
  18. Once in the Safari Zone gate, the player can walk through walls. Walk four steps (preferably down).
    WARNING ! Going out of bounds will cause a crash, and entering the Safari Zone again will cancel the walk through walls.

Video demonstration

YouTube video by Zach the Glitch Buster

See also