Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
User reviews:
Recent:
Mostly Positive (263 reviews) - 77% of the 263 user reviews in the last 30 days are positive.
Overall:
Very Positive (2,825 reviews) - 90% of the 2,825 user reviews for this game are positive.
Release Date: May 18, 2017

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Early Access Game

Get instant access and start playing; get involved with this game as it develops.

Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“Since 2012, Klei has used Early Access as a tool to gather feedback and build our games in collaboration with our community, producing games like Don’t Starve, Don’t Starve Together and Invisible Inc.. We’ve found this process works for us, and we hope you find it works for you, too.

Our current project, Oxygen Not Included, has already majorly benefited from the feedback provided by players during its Alpha period. By releasing this game in Early Access, we hope to continue to grow our community and get more people involved in its development.”

Approximately how long will this game be in Early Access?

“We still have a lot more in store for Oxygen Not Included, and plan to continue growing and updating the game well into 2018.”

How is the full version planned to differ from the Early Access version?

“The plan for the full version of Oxygen Not Included is to create even more content to allow players to manipulate, automate, and harness the world their Duplicants live in. Duplicants will also become more robust as their needs and abilities evolve over time. To complement this, there will be new biomes to discover, new creatures to interact with, world events to deal with, and more.

We will also be exploring the lore of the game, slowly uncovering the history of the world and why the duplicants are trapped on a giant rock hurtling through space.

Mod support is also very important to us, so we expect to have full workshop support by launch or shortly thereafter.”

What is the current state of the Early Access version?

“Oxygen Not Included currently contains all the core systems that will be evolved and iterated upon during Early Access such as thermodynamics, density, plumbing, stress and hunger. The game has already been played by over 150,000 players in its current state, many of whom report hundreds of hours played. We’re amazed by the breadth and depth of creations that players have made and we’re looking forward to building upon that.”

Will the game be priced differently during and after Early Access?

“The base price may be increased upon release from Early Access.”

How are you planning on involving the Community in your development process?

“We're continually talking to our community about our design process and keeping them informed of our decisions and improvements with regular updates. Please join the discussion on our forums at http://forums.kleientertainment.com/forum/118-oxygen-not-included/”
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Recent updates View all (18)

August 22

Upgrade Imminent!


Originally posted by Bigfoot on the Official Forums.

Hey Everyone!

This Thursday, we will be launching our next big content update since the Agricultural Upgrade.  The “Outbreak Upgrade” introduces a whole host of things, including new buildings, points of interest to discover, revamped farming, quality of life improvements, bug fixes, tweaks, and of course a whole new disease system for your Dupes to enjoy.

We also understand that it’s been quite a while since our last large content update. While we’ve been releasing hotfix updates and giving information on our progress via things like the Rhymes With Play devcast, we understand that it’s been almost 3 months since the last big content release. The reason for the length of time is because adding a new system like Disease touches every part of the game, and it took us quite a while to balance and fix things as it was introduced. However, we believe that iteration time was too long, and we’ve decided to commit ourselves to a tighter loop.

Some of you may know from Don’t Starve, Don’t Starve Together, and Invisible, Inc. that we often have an Update Timer to inform you when the next big update will be arriving. We’ve decided to implement that for Oxygen Not Included: starting Thursday, the timer will be set to 6 weeks. This gives us enough time to develop good features for a systems-heavy game like ONI, while also providing a concrete time frame for our community.

In the upcoming upgrades, you’ll see us flesh out the content and tech tree, create more variety in the world, add more interaction between the Dupes, and begin filling in the lore of the world.

As always, please let us know what you think! We really appreciate the support from all of you in the community, and for once again believing in our Early Access process.
100 comments Read more

August 4

Rhymes with Play - Oxygen Not Included (Outbreak Upgrade Preview)

If you missed our latest dev cast on Twitch, be sure to check out our preview of the upcoming OUTBREAK UPGRADE for Oxygen Not Included.

Outbreak Upgrade is coming August 24, 2017.

http://steamcommunity.com/sharedfiles/filedetails/?id=1100467511

Catch our weekly Rhymes with Play Dev casts on Twitch for update previews, behind-the-scenes, game development streams every Thursday at 3:30 PM Pacific (10:30 PM UTC).
63 comments Read more
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About This Game

In the space-colony simulation game Oxygen Not Included you’ll find that scarcities of oxygen, warmth and sustenance are constant threats to your colony's survival. Guide colonists through the perils of subterranean asteroid living and watch as their population grows until they're not simply surviving, but thriving...

Just make sure you don't forget to breathe.

Build Extensive Bases and Discover What it Takes to Survive:


Everything in your space colony is under your control, from excavation and resource allocation right down to plumbing and power systems. Resources will begin depleting with your first breath, however, so be sure to dig fast if you want to live.

It’s Mind Over Matter with Stress Simulations:


Keep the psychological impact of survival at bay with fun leisure activities, great accommodations and even better food for your colony. Duplicants each have different and potentially destructive ways of reacting to stress, so be sure to always keep them happy. Whatever the cost.

Avoid Boiling with Thermodynamics:


Temperature control is a constant concern in space; too cold and you'll freeze, too hot and you'll fry. Keep tabs on ambient environmental temperatures and your colony's heat production to maintain a nice, cozy atmosphere for your colonists.

Enhance Efficiency through Complex Gas and Liquid Simulations:


Create interlocking pipe systems to swiftly deliver fuel and liquid to critical areas of your base. Plan well and be rewarded as your colony transforms into an imperishable, well-oiled machine.

Take Charge with Power Grid Simulations


Choose from a multitude of power sources including coal, hydrogen, natural gas or just plain old elbow grease. Manage power runoff, circuit overloads and meltdowns to keep your colony running smoothly.

Always Keep Yourself Breathing:


Enter the Oxygen Overlay and watch air moving through your base in real time. Monitor carbon dioxide accumulation and oversee oxygen generation processes to mold your colony into a veritable deep-space oasis.

Waste Nothing through Extreme Recycling


Make use of every last resource for a base that truly exemplifies efficiency. Recycle waste into precious fuel, process unbreathable gas into air or harness the natural bodily processes of wild creatures for food. If you’re clever, you might even be able to run a base off colonist farts.

Explore Diverse, Procedurally Generated New Worlds:


Summon new worlds with a push of a button. Experience tons of untamed space rocks, then suffocate to death in them!

System Requirements

    Minimum:
    • OS: Windows 7 (64 bit)
    • Processor: Dual Core 2 GHz
    • Memory: 4 GB RAM
    • Graphics: Intel HD 4600 (AMD or NVIDIA equivalent)
    • DirectX: Version 11
    • Storage: 2 GB available space

What Curators Say

62 Curators have reviewed this product. Click here to see them.
Customer reviews Learn More
Recent:
Mostly Positive (263 reviews)
Overall:
Very Positive (2,825 reviews)
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