Purchase gift cards May 1 - June 30 to receive bonus certificate. Redeem bonus certificates July 1, 2017 - September 30, 2017. Bonus certificates may be applied toward the purchase of food and beverage at any Food Fight restaurant. Bonus certificates may not be used for tips, private parties, or exchanged for cash. One time use only. No change will be given. Not valid during Restaurant Week, or with other Food Fight or individual restaurant promotions.