Dokokashira door glitch

The Dokokashira door glitch is a glitch in Generation I, which only exists in Pokémon Green and the Japanese version of Pokémon Red. It was first documented on the Japanese Pokémon glitch website "Pokemonbug.oh.land.to".

Although the Dokokashira door glitch can, potentially, be a dangerous glitch like tweaking in Generation IV when it is performed incorrectly, several players have performed this glitch so that they can complete Pokémon Red and Green in less than five minutes, by manipulating the game into transporting the player into the Hall of Fame room.

Explanation

The Dokokashira door glitch takes advantage of the fact that in Pokémon Red and Green, the player is able to switch the slots of items as well as Pokémon. However, an oversight of this feature was that if the player were to press the Select button on the items screen and then attempt to switch one of his or her Pokémon, he or she would arguably be switching a Pokémon with an item.

When the player attempts to switch an item with a Pokémon, this is essentially like switching information about other data in the game, such as what kinds of items the player has, or the map location of the player. The game will take an item to be the information about one of the "Pokémon" past the sixth slot (or data after the amount of Pokémon that the player currently has in the party).

When the player switches Oak's Parcel as the second item in his or her Bag with his or her first Pokémon, this will 'shuffle' several bytes within the game. Some of these effects are undesirable, such as slight graphical errors on the main map interface; however, one of the more useful effects will ensure that the warp location of the next door the player walks through is relevant to the amount of extra steps he or she takes.

Method

1. Firstly, the player should start a New Game.
2. The player should withdraw a Potion from the PC, so that he or she has one item.
3. Walk out of the door and proceed into the tall grass, wait until Professor Oak takes you into his lab.
4. Choose any starter Pokémon.
5. After Blue chooses his Pokémon, attempt to leave Professor Oak's lab.
6. Either defeat or lose to Blue and then proceed out of the lab and through the grass on the way to Pewter City.
7. Proceed to the Poké Mart and receive Oak's Parcel.
8. The player should proceed back to Pallet Town but ensure that he or she enters a wild Pokémon battle on the way.
9. Move to the Items option and use the Select button on Oak's Parcel.
10. Select 'Cancel' and then select 'PKMN'.
11. The cursor should still be white, choose your starter Pokémon to switch it with Oak's Parcel.
12. Check Bulbasaur's moves on the 'Fight' screen, to check that the game has not altered any undesirable bytes.
13. If Bulbasaur's moves have not been changed run from the Pokémon battle and then walk exactly 73 steps, landing the last step in Blue's house in Pallet Town.
14. The player should be near the house where HM02 (Fly) is normally obtainable, walk another five steps to the right and then move down so that it looks like the player is attempting to move through the house's ceiling, it is the spot one step north of its right hand corner.
15. The player should appear in the northern section of the Cycling Road House, walk nine steps and aim the last step to be through the exit to the north-east corner.
16. Walk an extra 45 steps eastwards and aim the last step to be through the double doors of Celadon Department Store (the door to the right.)
17. The player should now be in a glitched version of the Hall of Fame room and he or she will be able to see the credits.

External Links

• [1] - The original video of the Doko-Kashira Door glitch.
• [2] - A page summarising the Dokokashira door glitch.
• [3] - A Youtube video entitled "Pokémon Green in 5 minutes" which takes advantage of the Dokokashira door glitch.

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