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Anyone still have Pokémon Red or Blue? Well, if you do, and you want to duplicate your items, then read this!

  1. How.com.vn English: Step 1 Get the item you want to duplicate and put it in the sixth item slot of your bag/inventory.
  2. How.com.vn English: Step 2 Fly to Viridian City and walk north until you reach an old guy.
    Talk to him and when he asks you if you're in a hurry, say "No". He'll then show you how to catch Pokémon. Watch him do it.
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  3. How.com.vn English: Step 3 Fly to Cinnabar Island and surf on the right side of the island until you find Missingno.
    (Just a bunch of glitchy-looking blocks).
  4. How.com.vn English: Step 4 Fight it and after you win, the item in the sixth slot will have a glitch box instead of a number.
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  • Question
    Can I do it more than once?
    How.com.vn English: Community Answer
    Community Answer
    Yes, but it only works on items you're holding less than 128 of. If you encountered Missigno, you should have 128 more of the item. If you encountered 'M, you will have exactly 128. You can always deposit items in your pc and continue, though.
  • Question
    Can this be done on the 3DsS download game?
    How.com.vn English: Community Answer
    Community Answer
    Yes, every glitch you can do on the Gameboy can be done on 3DS.
  • Question
    Can I do this on an emulator?
    How.com.vn English: Community Answer
    Community Answer
    Yes, you can, I have personally. There are no extra steps needed, and it helps if you stay on the tile that is half water and half land when you do this.
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      Tips

      • You will find the weirdest stuff in the water. If you find Pokémon over level 100, it will go back down to level 99 the first time you use them.
      Submit a Tip
      All tip submissions are carefully reviewed before being published
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      Warnings

      • MissingNo. will not break your game. It's true that it may clutter the graphics, but this can be fixed by looking at another Pokémon's stats. It's also true it could freeze your game when depositing the Pokémon to the pc, but only if it's level 0. The only permanent glitch would be the messed-up Hall of Fame, but this problem happens also when seeing MissingNo. -not only when catching it.
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      About This Article

      How.com.vn English: Ishrak
      Reviewed by:
      Gaming & Video Expert
      This article was reviewed by Ishrak. Ishrak is a Gaming & Video Expert specializing in sharing Pokémon and Minecraft videos. With over seven years of gaming and streaming experience, Ishrak has a follower base of over 30,000 YouTube subscribers and over 8 million views. He is also a Pokémon ROM-Hacker and some of his most popular videos highlight tips and advice for people learning how to play Pokémon games. This article has been viewed 135,925 times.
      26 votes - 74%
      Co-authors: 19
      Updated: January 28, 2017
      Views: 135,925
      Thanks to all authors for creating a page that has been read 135,925 times.

      Reader Success Stories

      • How.com.vn English: Anonymous

        Anonymous

        Apr 30, 2018

        "This was a great review, reminded me how to get infinite items!"
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