PS2 burning instructions

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ok..I have a ps2 game (oni) I have software to burn (nero) I have a burner. Ok now my question is do you have to have a Gameshark 2 or an action replay 2 in order to play these games..what would happen if you didn't have these? So with all my stuff right now, Would I be able to make a successful ps2 game...oh yeah I'm talking about burning a cd ps2 game..I know about the dvd ps2 games. Well please help!