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On December 12, 2025, Fallout Shelter received years of content in one massive update for its Steam version. The PC version of Fallout Shelter has been available for free on Steam since 2017, and it hasn’t been updated nearly as much as its mobile counterpart. That version has received relatively consistent updates, while the Steam edition of the game seems to have been forgotten. It wasn’t unplayable or anything of the sort, but whenever the mobile game got an update, Steam’s Fallout Shelter was left to roam the Wasteland alone with no new characters or upgrades. Fortunately, that’s no longer the case.
Fallout Shelter on Steam Is Bursting With New Content
The new update incorporates years of content previously available only on the mobile version of the game, and it’s a lot. The update also adds Fallout Shelter’s first Seasons, which are described as “Limited-time events engineered for maximum Overseer enjoyment.” The first is “Viva New Vegas,” which coincides with and is inspired by the second season of the Fallout TV show. It includes new dwellers, weapons, and armor featured in the show that are now unlockable in the game. It also includes experimental vaults, new rewards, outfits, and much more.
In addition to “Viva New Vegas,” the update unlocks the “Fallout TV Series Season 1,” which includes the Power Struggle questline. This has eight sequential quests to complete and features characters from the television show. The new Vault Dwellers are Lucy, The Ghoul, Maximus, Ma June, The Snake Oil Salesman, and Snip Snip, who were introduced in the mobile version back in July 2024. This also comes with new vault themes, weapons, and outfits from the series, and there’s even a new pet: CX404 (the canine companion from the TV show).
