Dysmantle Doomsday
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About Dysmantle Doomsday
Dysmantle Doomsday is an add-on that takes you to a hidden archipelago with a deadly secret. You arrive aboard a mysterious flying cargo drone and investigate scientific experiments that went wrong, using new technologies to stave off doomsday.
Explore the archipelago
The add-on includes a new, challenging open-world map, a main questline and numerous side quests. The story explores what research was conducted at Three Sisters Research Complex. You also solve new puzzles and fight mechanical and biological enemies.
New items and recipes
You can find new tools, wearables, trinkets, materials and food items. The add-on includes 16 new recipes.
Accessing the content
The new content becomes available after you exit the gates of the base game's first area. After you rest at a campfire, a new main quest appears automatically.
Frequently asked questions
The best price for Dysmantle Doomsday is $8.99 at Steam. 2 shops have an offer that activates in your country.
No. Dysmantle Doomsday is DLC and only works with Dysmantle.
The minimum requirements for Dysmantle are: Windows Vista, 2 GB RAM, 768 MB storage. It also runs on macOS. The recommended specs are in the System requirements section.
Yes. Dysmantle has multiplayer and a single-player mode. It supports split-screen co-op.
Yes. Valve rates Dysmantle as Verified on the Steam Deck: it runs well out of the box.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











