Shake Shack Restaurant Offer: Shake Shack SmokeShack Burger B1G1 Free (Valid thru 10/11)

Shake Shack Restaurant Offer: Shake Shack SmokeShack Burger Buy 1 Get 1 Free (Valid thru 10/11). Offer only valid for qualifying orders placed at a kiosk in-Shack, or for delivery or pick-up via the Shake Shack Mobile App or shakeshack.com, and fulfilled during the Promotional Period starting on Wednesday, October 1st 2025 through Friday, October 31st 2025 at participating US Shake Shack locations. Limit one free Promotional Sandwich per order. Must add a combination of at least two of the Promotional Sandwiches to cart prior to checkout. Offer code: 'SPOOKY'.