A WAY COOL CHEAT!
Hi. This is an awesome hint GUARANTEED to not mess up your game unless YOU make a mistake.
This is a hint to duplicate Pokemon and items (excluding key items; you can't trade them but they still duplicate). Already sounds cool, huh? Also, it doesn't take, oh, 25 days or so.
Maybe, if you're fast, not even a hour! This cheat also works on Pokemon XD: Gale of Darkness so I don't have to submit it there. Here's what you'll need:
Nintendo Gamecube; possibly Revolution-not sure
1 Pokemon Colosseum or Pokemon XD: Gale of Darkness game disk
1 Gameboy Advanced/Gameboy Advanced SP
1 Gameboy to Gamecube Link Cable
Two Memory Cards with enough data for a save file
Access to the trading center (in the game)
Items and Pokemon wished to be duplicated
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Okay. Now, set up your Gamecube and put the two memory cards in both slots. Load your game. Now, trade anything you want traded to your PC disk. Now, save.
Turn your gamecube off. Set it up, go to the screen with the options (by pressing and holding "A". Copy your PC data to the other memory card. Begin trading to your Gameboy.
When done, erase your PC data. Copy it again. Repeat process as wished. Now, get things easy! Hope I helped!
-Brian
We have more cheats and tips for this game here, Pokemon Colosseum cheats
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