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- Klei Entertainment Oxygen Not Included (PC, Steam) suits players who enjoy detailed colony management, survival systems, and solving problems one room at a time.
- The single-player colony sim features a 2D side view and 3 central survival pressures: oxygen, food, and temperature.
- For Black Friday 2026, compare the Steam edition, bundle contents, Spaced Out! expansion inclusion, and availability across trusted PC game retailers.
- Klei Entertainment Oxygen Not Included (PC, Steam) is a strong pick for strategic players who enjoy complex systems and long-running colony challenges.
- Klei Entertainment Oxygen Not Included (PC, Steam) is a single-player colony simulation built around survival, planning, and resource management.
- Three major pressures shape each colony: oxygen supply, food production, and temperature control.
- Black Friday 2026 shoppers should check whether a listing includes the base game or the Spaced Out! expansion.
- The game rewards patient planning, efficient layouts, and adapting to unexpected problems.
Klei Entertainment Oxygen Not Included (PC, Steam) is a single-player colony sim where three constant pressures—oxygen, food, and temperature—keep every decision interesting. I researched and compared specs, reviews and owner feedback to build this Black Friday 2026 buying page around the game itself: what the systems demand, who gets the most from them, and what to check in a seasonal listing.
For Black Friday 2026, focus on the exact Steam edition and any included expansion before you buy. Klei Entertainment Oxygen Not Included (PC, Steam) is a great match for players who like intricate management and experiments that can spiral into entertaining disasters. Here's the bottom line: the depth is the draw, but the learning curve asks for patience.
How We Picked
- Compared the base-game listing and expansion details so buyers can tell which edition a retailer offers.
- Reviewed the game’s core management systems, including oxygen, food, temperature, power, and colony layout.
- Considered player feedback about the learning curve, replay value, and complexity of running a colony.
- Prioritized practical Black Friday checks: edition name, bundle contents, platform compatibility, and retailer availability.
Our Verdict
#1 · Top pick
Klei Entertainment Oxygen Not Included (PC, Steam)
The Klei Entertainment Oxygen Not Included (PC, Steam) is a deep colony sim for players who enjoy solving interconnected survival problems. Worth it for most players who like thoughtful planning and are happy to learn as they go.
Best for: Players who enjoy detailed colony management and emergent survival challenges.
- Players
- 1 player
- View
- 2D side-view
- Core survival pressures
- 3: oxygen, food, and temperature
- Primary genre
- 1 colony-management simulation
- PC storefront
- Steam
- Major expansion
- 1: Spaced Out!
- Interconnected systems make each colony feel distinct.
- Creative base layouts reward careful planning.
- Unexpected setbacks create memorable stories.
- The Spaced Out! expansion adds another layer for players ready for more.
- The many systems create a steep learning curve.
- Small planning mistakes can trigger cascading colony problems.
Is the Klei Entertainment Oxygen Not Included (PC, Steam) worth buying on Black Friday 2026?
Yes, Klei Entertainment Oxygen Not Included (PC, Steam) is worth considering for players who enjoy complex colony sims. Check the listing for the base game, platform details, and any Spaced Out! expansion bundle before choosing a Black Friday 2026 offer.
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What is Klei Entertainment Oxygen Not Included (PC, Steam)?
Klei Entertainment Oxygen Not Included (PC, Steam) is a single-player colony simulation about keeping a small crew alive inside a hostile asteroid. Players dig, build rooms, manage supplies, and design systems that keep the colony functioning.
Three survival pressures sit at the heart of the experience: oxygen, food, and temperature. The crew also needs power, sanitation, and sensible access to resources. A poorly planned layout can turn a routine task into a colony-wide emergency, so each new room asks players to think about airflow, heat, and routes.
The appeal comes from connecting those systems rather than following a fixed mission checklist. Klei Entertainment Oxygen Not Included (PC, Steam) suits players who enjoy learning through experimentation, refining a base, and watching a plan evolve.
What should you expect from the gameplay?
Klei Entertainment Oxygen Not Included (PC, Steam) asks players to manage at least 3 linked needs from the start: breathable air, reliable food, and safe temperatures. A colony’s survival depends on balancing those needs while expanding and exploring.
The side-view layout makes construction and resource movement easy to read, but the underlying systems demand attention. Players assign work, dig new areas, build machines, and make decisions about where waste, heat, and supplies go. Each solution has consequences elsewhere in the base.
That chain reaction is the fun. A well-placed machine can solve one problem and create another, giving each session a steady stream of small engineering puzzles. Players who prefer relaxed, low-management play should expect more planning than a casual builder usually demands.
Is Klei Entertainment Oxygen Not Included (PC, Steam) difficult to learn?
Klei Entertainment Oxygen Not Included (PC, Steam) has a steep learning curve because 3 basic survival pressures interact with a growing list of colony systems. New players should expect to learn through experimentation and recover from setbacks.
The game introduces its ideas through play, but players still need to notice how air, heat, power, and resources move through a base. Small oversights can have broad effects. Pausing to inspect rooms, follow resource flows, and make one change at a time helps keep the learning process manageable.
Persistence pays off. Early colonies teach useful lessons about layout and priorities, while later runs give players more confidence to build ambitious systems. Klei Entertainment Oxygen Not Included (PC, Steam) rewards curiosity more than quick reflexes, so patient strategy fans are its natural audience.
What is included in the Klei Entertainment Oxygen Not Included (PC, Steam) edition?
Klei Entertainment Oxygen Not Included (PC, Steam) is the PC base-game listing, while Spaced Out! is a separate major expansion that retailers can bundle with the game. Check the exact edition name and included content before completing a Black Friday 2026 purchase.
A bundle can be a convenient way to get the base game and expansion together, but the listing needs to say so clearly. Confirm that the product is a Steam edition and that the expansion appears in the included-content details, rather than assuming a bundle image means every item is part of the purchase.
Players who are new to the game can start with the base experience and decide later whether they want the added expansion content. Returning players should compare edition details against the content they already own.
What should you check for Black Friday 2026?
For Black Friday 2026, compare 4 details on Klei Entertainment Oxygen Not Included (PC, Steam) listings: edition, expansion content, Steam activation, and retailer reliability. Those checks help separate a straightforward base-game offer from a bundle with extra content.
Read the full product description rather than relying on a short listing title. Confirm whether Spaced Out! is included, whether the key activates on Steam, and whether the purchase is for the PC version. Review the retailer’s delivery and account requirements before placing an order.
Stock and storefront availability can change during major shopping events. Save the exact listing you want, verify the seller at checkout, and compare the final bundle contents across reputable stores. A clear product page beats a vague claim about extra content.
Who should buy Klei Entertainment Oxygen Not Included (PC, Steam)?
Klei Entertainment Oxygen Not Included (PC, Steam) is a strong fit for players who enjoy colony management, resource puzzles, and learning complex systems over time. Its 1-player structure makes it a focused solo game rather than a shared multiplayer project.
Strategy fans who like building efficient bases and responding to cascading problems will find plenty to dig into. The game also suits players who enjoy replaying a simulation to improve a design or try a different approach. Each run offers new reasons to reconsider how a colony uses space and supplies.
Players looking for a simple, low-pressure building game should weigh the learning curve carefully. Klei Entertainment Oxygen Not Included (PC, Steam) expects regular attention to interconnected needs, and that demand is central to its appeal.
Buying Guide
Choose the right edition
Klei Entertainment Oxygen Not Included (PC, Steam) listings should identify the base game and any included expansion. Check the product title and included-content details separately. Spaced Out! is a major expansion, so confirm its name appears in the bundle details if expansion content matters to you.
Verify Steam compatibility
Klei Entertainment Oxygen Not Included (PC, Steam) should be clearly labeled as a Steam PC product. Check activation instructions, account requirements, and the version listed by the retailer. A clear platform description helps avoid buying an edition that does not match your preferred PC storefront.
Compare Black Friday bundles
Compare the Klei Entertainment Oxygen Not Included (PC, Steam) base-game listing against bundles that name Spaced Out! as included content. Read the complete description and confirm every item in the package. Bundle artwork alone does not establish which edition or expansion the seller provides.
Buy from a trusted retailer
Choose a reputable seller for Klei Entertainment Oxygen Not Included (PC, Steam), and review delivery terms before checkout. Confirm that the listing is for the product and edition you want, then keep the order confirmation and activation details for your records.
Alternatives to Consider
- Ludeon Studios RimWorld (PC, Steam): Choose Ludeon Studios RimWorld (PC, Steam) if you want a colony sim centered on character stories, settlements, and unpredictable events. Its focus differs from Oxygen Not Included’s tightly linked oxygen and base-engineering systems.
- Eremite Games Against the Storm (PC, Steam): Choose Eremite Games Against the Storm (PC, Steam) if you prefer shorter settlement-building runs and a fantasy setting. The game puts less emphasis on continuous underground base engineering than Oxygen Not Included.
- Wube Software Factorio (PC, Steam): Choose Wube Software Factorio (PC, Steam) if factory automation and production chains matter more to you than managing a colony’s survival needs. Its building focus suits players who want to optimize large-scale logistics.
FAQ
Is Oxygen Not Included on sale for Black Friday 2026?
Black Friday 2026 is a good time to compare Klei Entertainment Oxygen Not Included (PC, Steam) listings across trusted PC game retailers. Check the Steam edition, bundle contents, and any Spaced Out! inclusion on the product page before choosing an offer.
Does Oxygen Not Included include Spaced Out!?
Klei Entertainment Oxygen Not Included (PC, Steam) is the base game, and Spaced Out! is a separate major expansion. Some listings bundle both, so read the included-content section carefully before buying. The product title and checkout details should identify the edition clearly.
Is Oxygen Not Included single-player?
Yes, Klei Entertainment Oxygen Not Included (PC, Steam) is designed as a 1-player colony-management simulation. The solo format puts the focus on planning a base, managing resources, and responding to survival problems without requiring a multiplayer group.
What are the main survival needs in Oxygen Not Included?
Klei Entertainment Oxygen Not Included (PC, Steam) puts 3 core pressures front and center: oxygen, food, and temperature. Players also manage connected systems such as power and sanitation, making room layout and resource planning key parts of keeping a colony running.
Is Oxygen Not Included good for beginners?
Klei Entertainment Oxygen Not Included (PC, Steam) can suit beginners who enjoy learning through experimentation, but its interconnected systems create a steep learning curve. New players should expect to make adjustments as they learn how oxygen, food, heat, and base design affect one another.
Where should I buy Oxygen Not Included on Black Friday?
For Black Friday 2026, compare Klei Entertainment Oxygen Not Included (PC, Steam) listings from reputable PC game retailers and check for Steam activation. Confirm the edition, included expansion content, seller identity, and delivery terms before completing your purchase.