For owners of the DLC, this update added a "Custom" version of the Survival mode, allowing full control over the roguelite gauntlet.
Released on July 15, 2021, for $7.99 (roughly ₹660), the Mr. X Nightmare DLC adds critical content that shifts the game from a standard arcade brawler to a deep, replayable roguelite experience. : Streets of Rage 4 Switch NSP UPDATE DLC