No, there's no Pokemon button codes.
You need a Gameshark device (sold at Walmart, rarely) to use any Gameshark codes.
To use codes or cheats, you need a GameShark or ActionReplay.
Not an AR, you'd need the GameShark.
You need a gameshark, and gameshark codes. In other words "dirty cheating which ruins your game"
An Action Replay/GameShark, the game, and codes.
You will need a Action Replay(or it might be Gameshark) and you can find codes on Google.
you need gameshark or action replay codes.
You can't catch mew on leafgreen you need gameshark codes for that
no u dont
U Will Need Gameshark Codes To Complete The Pokedex In Pokemon Emerald.
You should never need a Gameshark to beat a game. A Gameshark is made for messing around in games, though you need to be careful with codes - there are codes that can mess up or even break your game.
you need a gameshark code