This helps you to make your item 99
This works only in Pokemon blue,red and green.(NOTE:-it does not work in Pokemon yellow)
NOTE:- you should have fly and surf
First keep the item in the 6th slot which you want to make into 99.
Then fly to the veridian city and talk to the old man.
He asks you 'are you in a hurry' .Say no.then he shows you how to catch a pokemon.then fly to cinibar island and surf rightside border of cinibar island (up and down).
Surf there till Missingo appears. Then press run. (WARNING IF YOU CATCH MISSINGO YOUR GAME WILL BE CURREPTED AND YOU HAVE TO RESTART YOUR GAME)
Then see in your item and you will find that item 99.
More tricks, tips and cheats for this game are right here - Pokemon Blue cheats
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