Winter of Atoms themes include exploring frozen wastelands, harsh winter survival, building relationships with communities, explosive action against terrifying monsters, high-stakes warfare against a relentless foe, and weird and unexplainable supernatural horrors. This book requires the core rules found in the Fallout RPG: Core Rulebook (MUH 052191) but could be played using the rules and pregenerated characters found in the Fallout RPG: Starter Set (MUH 052192)