Ended: 12/29/2013 23:59 ET(18+)
Follow Xbox on Twitter and send a tweet with the hashtag #FORZADISCOVERY for a chance to win one of 12 prizes!
PRIZES(1) Grand Prize: An Xbox One game console and the Forza Motorsport 5 Xbox One game.
(11) Second Prizes: A Forza Motorsport 5 Car Passes.
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