Get more than one of each pokemon
You must have caught the Pokemon before you use this hint. Go to a place where you can find a ditto (preferably Mewtwo's cave because the your Pokemon can be stronger). Make sure to have the Pokemon you want two of in front of your party and make sure you have at least one space in your party open. When you meet a ditto let it transform into the Pokemon you want another one of and catch the ditto and get to your PC and release the ditto without depositing it. Save the game, turn the game off, then look in box 10, you should have the double of the Pokemon in the first free space of box 10 and the one in your party. Happy cheating!!!
P.S. Gameshark Sucks!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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