How to Clone Items in Pokémon Red, Blue, or Yellow

Reviewed by Ishrak

Last Updated: May 9, 2025

Need 2,000 Rare Candies? Master Balls? Or Nuggets? Anything else? Then you came to the right spot, because this is the article for you!

Steps

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Make sure to teach it to a suitable Pokémon.
When he asks if you're in a hurry, say "No" and have him show you how to catch a Pokémon. This will activate the glitch.
or " 'M ".
The 6th item from the top will be cloned to 128! If you did it correctly, it shows a glitchy symbol next to the cloned item. Don't worry, your game will be fine.

Community Q&A

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Question

Will this work more than once?

Community Answer

Yes, as long as the item is able to be cloned. (Items like the fossils or bicycle cannot be cloned, but rare candies, potions, etc. can be.)

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Question

Why don't you mention that Missingno has a higher chance of crashing Yellow?

Community Answer

Because Missingno glitch doesn't multiply items in Yellow. It only works in Red and Blue.

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Question

What if I've already talked to him and he isn't there anymore?

Community Answer

That only happens in Pokemon Yellow when you're forced to talk to him and he fails to capture the Pokemon. This glitch doesn't work in Pokemon Yellow.

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Tips

Clone Master Balls, then put one in the PC. Use the ones not in your PC on any Pokémon for instant capture. Then clone the one in the PC by withdrawing it to 6th and repeating these steps.

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If you care about your hall of fame data, just beat the Elite 4 again.

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Missingno. can be found in all versions, however it is more prominent in Blue. 'M is prominent in Red and Yellow.

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Warnings

Your hall of fame data will be permanently glitched if you catch "Missingno" or " 'M" so be sure you want this consequence before doing so.

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The graphics might be messed up for anywhere between 5 and 15 minutes.

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