you do not need cheats. you need to trade some pokemons that are not available in Yellow and can be found in Blue and Red. that's the way to finish the game. if you want strong line up for the Pokemon League, this is my line up and so far the best in my opinion. Charizard, Pikachu, Lapras, Gyarados, Kadabra and Haunter.
Yes
Yellow, red, and blue version.
yes if its on computer by using cheats on the cheat cartridges
Yes there is. But, you have to type in every single pokemon cheat code.
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Cheat.
Get a hobby.....
Shiny Pokemon weren't invented until Generation II of Pokemon. So there is no shiny Pokemon in Pokemon Yellow!
no people there is no cheat code for these games!!
To get all the Pokemon you must have the Yellow version too, so you can trade Pikachu and the other two basic Pokemon you didnt chose at the start. Also, you need to do the non-gameshark coded cheat to get mew, which is found on the internet try Google. That's if you want to do it without cheats which could glitch your game. If you do want that risk, then use a cheat cartridge.
Buy a game shark and cheat
by cheat