Do you like a good mystery? Enter the Mystery Oreo Sweepstakes daily until November 30, 2017, for your chance to win $50,000! This prize is awarded in the form of a check made payable to the lucky winner. Five lucky First Prize winners shall receive a check for $10,000! To enter, you must guess the Mystery Oreo flavor. We did a quick search on the internet and it sounds like many people think it’s based on a fruity cereal like Fruit Loops, Fruity Pebbles, or Trix. Have you tried them? What do you think the flavor is? Let us know or enter your guess on the Official Sweepstakes Entry Page. Good luck! We hope you’re the lucky winner!