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Oxygen

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About Oxygen

Oxygen is a city-building survival game set after a natural disaster pushes humanity to the brink of extinction. Large Igneous Provinces—volcanoes that release lava through cracks in the Earth's crust—have spread toxic gases around the world, changing the atmosphere and leaving little oxygen. You lead a settlement built around an Oxygen Center, humanity's hope for survival.

The Oxygen Center

The Oxygen Center produces oxygen by electrolyzing underground water. It needs electricity, initially generated with coal, though you can plan to move towards sustainable energy sources. Build a city around the center and keep it running while protecting your people from deadly winds, crack explosions, recurring frosts and droughts.

Build and lead

Provide your people with homes, steady supplies of water and food, and workplaces. Assign them jobs to produce the materials your settlement needs, and research new features and buildings. You can also improve their confidence and education to increase productivity.

Explore and gather

Search for survivors around the globe and bring them into your settlement. Detect abandoned areas, then send teams to explore and collect useful supplies, including food and materials. Gather or produce resources and stock up for difficult conditions; you can also care for dead trees and revive them.

Frequently asked questions

Buy Oxygen 96% cheaper than on Steam.

Oxygen is available for 96% less in shops such as Kinguin, Gameseal, or Eneba.

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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