Burger King , you can grab a free Original Chicken Sandwich with the purchase of $1 or more, and on May 28, a free hamburger with the purchase of $1 or more.

Buffalo Wild Wings   half-off any burger on May 28 when ordered for delivery with the code GOBURGER.

Dairy Queen  With the purchase of Dairy Queen’s Signature Stackburger, you can grab another for 99 cents through June 1. To redeem the offer, customers should join DQ Rewards and claim the deal in the app.

Wendy’s You can tack on a one-cent Jr. Bacon Cheeseburger to any in-app purchase,  May 28 to June 1. Customers should register for a Wendy’s rewards account to claim the deal.