Overview

• It is the first DLC expansion for Atomfall, initially released in March 2025.
• Midsummer Island sits close to the Windscale Atom Plant, resulting in heightened infection levels among its inhabitants and environment.
• New enemy factions—including pirate bandits and infected druids—await players across the island’s folk horror environments.
• Fresh arsenals such as a blunderbuss shotgun, cutlass, daggers, a new bow and the Beekeeper’s Staff will aid survival.
• Additional skills, an upgraded metal detector and branching storylines unlock alternative endings in the base game.