Need a quick boost of energy but don’t feel like spending any money? Head to your local Circle K to score a Red Bull free of charge! All you’ve got to do is enter the Red Bull Campus Quest Sweepstakes. To enter the sweepstakes, just play the Campus Quest game on Red Bull’s website. Once you get your final score, you can submit for the sweepstakes. Provide your phone number, and you’ll receive the free Red Bull coupon that you can take to Circle K.