How to play as Sideswipe in Transformers 2?

I don't know how yo play as him. is there a way that i could get him without buying it.Also is there a cheat code.How to play as Sideswipe in Transformers 2?Better to ask on the dedicated forums:

http://www.gamespot.com/pages/forums/sho鈥?/a>

http://www.transformersgame.com/

http://forums.gametrailers.com/thread/an鈥?/a>



Good luck!

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