No you don't need it to finish your Pokemon game
You need gameshark or action replay depending on the game.
You need a gameshark, and gameshark codes. In other words "dirty cheating which ruins your game"
you eather need a action replay or gameshark
An Action Replay/GameShark, the game, and codes.
you need a gameshark code
No you don't need it to finish your Pokemon game
all u need is just a regular gameshark for sp
You need to buy a gameshark desinged for the type of game so with yellow you would need to go with a gamboy color gameshark. NEW USER: unon1100 go to gamewinners.com
You need to have a Gameshark.
You need a Gameshark or Actionreplay
go 2 cheats then 2 cheats list and go 2 gameshark and there u have it but if u hav game boy advance game u need to buy a gameshark
If you mean catch them, use Gameshark(A cheating device). Use a code that lets you catch other trainer's Pokemon. If you don't have a Gameshark, you can't catch other trainer's Pokemon in normal gameplay.