no. none at all.
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You can find Gameshark codes at Psypokes.www.psypokes.com/rby/ygameshark.php
yes there are many glitches most of them are in blue and red aswell
how to beat Gary on Pokemon yellow go to game winners.com and click on gameboy advance and look for Pokemon yellow and it will show you cheats
http://www.CheatPlanet.com/ is the Best Website I can think of. http://www.CheatMasters.com/ is a Pretty Good Website, Too, If you can't find the right one at Cheatplanet. Here is a direct link to cheats for Pokemon Yellow at CheatPlanet: http://bit.ly/aXGXoR Here is a direct link to Pokemon Yellow Cheats from CheatMasters: http://bit.ly/cz7Rn5
in Pokemon yellow, blue, red, fire red, and leaf green you can find mew-two in cerulean cave after you have beten the game, but for mew at the moment you can not get it without cheats...
Without a gameshark, there is one or two cheats for Pokemon yellow Including the rare but good glitch which is called walk through walls without a game shark. you should look it up on the internet
no cheats
There are no "button cheats" for any Pokemon game.
You Need Cheats The Wild Pokemon Modifier.
Easy just put the game in the game shark and enter codes you know.