SAN ANTONIO – Have you played in the Circle K Secret Word of the Day contest? The new Secret Word of the Day prize has been updated, and each month, one lucky winner will receive free gas for a year! Each time you enter the contest, you will receive an email from Circle K with a coupon for a free hot dog or kolache. Many Circle K stores are open 24/7. Circle K has a variety of Polar Pop flavors to choose from, and every cup of Circle K coffee is now freshly ground from quality whole beans and brewed in less than one minute.