Right now, they have two fun contests going on with some great prizes up for grabs:
Race & Win
Dates: Now - Aug 10
Race & Win an iPad 3 and other awesome prizes! Use your Shopcade points to race. The further you run, the higher your chances of winning. Prizes: 1 iPad3, $315 Swarovski gift cards, $120 Shopbop gift cards, $65 gift cards at Topman/Urban Outfitters/Forever 21.
Dates: Now - Aug 13
Win designer denim from Free People. Shopcade is giving away designer jeans. Get entries by following and sharing the sweepstakes.
Click here for more info and get 5,000 points to start off with! (you'll need to allow the app)