Oxygen Not Included is a Simulation game from Klei Entertainment with a 96% positive Steam review signal. Indie Lantern indexes it for players browsing by weird, single-player.

Game snapshot
- Developer
- Klei Entertainment
- Release year
- 2019
- Playtime
- Varies by player
- Price
- $7.49
- Review signal
- 96% positive
Screenshots






System requirements
PC
- Minimum
- Requires a 64-bit processor and operating system OS *: Windows 7 (64 bit) Processor: Dual Core 2 GHz Memory: 8 GB RAM Graphics: Intel HD 4600 (AMD or NVIDIA equivalent) DirectX: Version 11 Storage: 3 GB available space
- Recommended
- Requires a 64-bit processor and operating system OS: Windows 11 Processor: Intel Core i7-8700K or equivalent Memory: 16 GB RAM Graphics: Dedicated graphic card with 2GB VRAM DirectX: Version 11 Storage: 3 GB available space
macOS
- Minimum
- OS: OSX 10.13 Processor: Dual Core 2 GHz Memory: 8 GB RAM Graphics: Intel HD 4600 (AMD or NVIDIA equivalent) Storage: 3 GB available space
- Recommended
- OS: macOS 14 or later Processor: Intel Core i7-8700K or equivalent Memory: 16 GB RAM Graphics: Dedicated graphic card with 2GB VRAM Storage: 3 GB available space
Linux
- Minimum
- OS: Ubuntu 18.04 Processor: Dual Core 2 GHz Memory: 8 GB RAM Graphics: Intel HD 4600 (AMD or NVIDIA equivalent) Storage: 3 GB available space
- Recommended
- OS: Ubuntu 24.04 or later Processor: Intel Core i7-8700K or equivalent Memory: 16 GB RAM Graphics: Dedicated graphic card with 2GB VRAM Storage: 3 GB available space
From Steam reviews
Review notes
Oxygen Not Included is worth a closer look if you want base building, colony sim, management, and exploration.
Best for players who want strong atmosphere, emotional story, base building, and colony sim.
Check more carefully if you dislike unclear onboarding.
base-building
Play styleBuilding a base, settlement, or colony is part of the loop.
colony-sim
Play styleThe game is about keeping a group, base, or settlement working.
management
Play styleThe game asks you to run, improve, or balance a system over time.
exploration
Play styleThe draw is moving through spaces, discovering details, and learning the world.
strong-atmosphere
ToneThe mood, place, and presentation carry a lot of the experience.
solo-friendly
FitIt still makes sense as a solo play choice.
confusing-onboarding
FrictionThe first hours can be unclear without patience or outside help.
emotional-story
ToneThe story is framed as affecting rather than just plot-heavy.
Why it fits
Good fit if you want a solo simulation with base building, colony management, and exploration. It offers strong atmosphere, an emotional story, and a focus on building and managing a colony.
Who might skip it
Skip it if you dislike unclear onboarding.