New members who sign up for the Craver Nation Rewards program in the White Castle app often receive a free Original Slider Combo (no purchase necessary) or $5 off their first mobile order.
White Castle offers frequent promotions, primarily through their Craver Nation Rewards program and for specific seasonal events . Current & Upcoming BOGO Combo Offers (April - May 2026)
A dedicated BOGO free combo meal offer is scheduled for these dates.
In the "Season 2" rewards structure, certain tiers like Adventurers can unlock BOGO breakfast combos specifically by ordering breakfast at any time of day. How to Access These Deals Rewards - White Castle