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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

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.

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