Burger King:  a free Whopper to the first 500 guests who come dressed as clowns from 7 p.m. till close.

BurgerFi: Wear a costume, and 

Scary-good deal: Wear your costume to BurgerFi this Halloween, get a FREE frozen custard. #CostumesForCustard 🎃🍦🎉 *Valid 10/31/17 only. pic.twitter.com/CED9sFhG5X

Chuck E. Cheese’s: The pizza joint will give out free slices of its candy corn pizza every hour on the hour from 4 p.m. to 8 p.m.

PDQ: Score a free cookie when you arrive in costume from 3 p.m. to close.

Krispy Kreme: Get a free doughnut of your choice when you show up in costume at participating locations.