Steam app 457140 · updated 25 Oct 2026, 15:14 UTC
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.
717 hourly samples, with the daily peak drawn over them. Weekends are shaded.
126 months, June 2016 to November 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
23 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
30 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 567 hourly samples from 08 Oct, which is as far back as the source keeps every hour. Weekends are shaded.
7 days as the curve, each the highest figure that day. Behind it, 150 hourly samples. Each dip is a night. Weekends are shaded.
| Language | Full audio |
|---|---|
| English | ● |
| Simplified Chinese | ● |
| Korean | ● |
| Russian | ● |
A blank audio cell means full audio was not marked in the returned language list.
Hangry For More!
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Launch Trailer
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Early Access 2
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Whatta Blast!
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Space Industry
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Packed Snacks
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Cosmic Upgrade
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Occupational Upgrade
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Automation Upgrade
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Outbreak Upgrade
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Teaser
Watch on Steam51 achievements in total.
50 developer announcements, Mar 2024 to Jul 2026 · times in UTC
FixesAll versionsFixed incapacitated Duplicants teleporting to the bottom left of the world after being rescued and resuscitated.Fixed Masterworks skill string not mentioning Masterpiece artwork quality.Deconstructing buildings that have…
Patch notesChanges and ImprovementsThe Aquatic Planet PackMinnow's Freediver trait now provides +4 to all attributes while swimming.In new saves, Minnow will now join your colony with +4 in all attributes and the Ancient Knowledge trait providing 3…
Patch notesChanges and ImprovementsAll versionsRevised Tepidizer sound for when the building is in Turbo Mode.Aquatic critters will now reference pool size instead of room size in the Space Required section of their database entries, when describing…
Patch notesFixes All versionsFixed crash opening Pacu Treat database entry.Spaced Out! onlyFixed excessive logging when loading a save on a non-start world.The Aquatic Planet PackDuplicants that start with the Divemaster skill will also be granted the…
Patch notesFriends, grab your floaties......it's release day for The Aquatic Planet Pack! This DLC features a plethora of pool-dwelling critters, flooded flora and submersible buildings...and Duplicants who learn to swim for the very first time in ONI…
Klei-JoeWAhoy, friends! The Aquatic Planet Pack DLC launches next Thursday, June 11th! It'll be available on Steam, WeGame, and Epic. This is the splashiest DLC we've shipped to date: for the first time ever, Duplicants are learning to swim! They've…
Klei-JoeWFixes All versions Fixed issue where plants that are out of fertilizer would be operationally active on load. Fixed issue causing incorrect font for Cyrillic characters. Potential fix for a crash related to opening an element database…
Patch notes720580 FixesAll versionsFixed locked Insulated Doors not applying the insulated property on load.Fixed Klei account issue accessing Supply Closet on Linux.Fixed already inspected buildings not remembering they were inspected on…
Patch notesHi everyone,Our March 2026 Bug Fix Update goes live today!For this free update, we focused on squashing a bunch of bugs. We also made some changes to the sim and upgraded the version of the Unity engine we use. Everything mentioned in this…
KING LEAD HATFixesAll versionsFixed a crash that could occur when critters consume plants directly.Fixed crash that could occur if a mess station is deconstructed while a dupe is navigating to it for a meal. Spaced Out! onlyFixed a bug preventing a…
Patch notesFixesAll versionsFixed falling liquid drops being deleted after the game loads.Fixed Duplicants freezing when trying to relocate a critter stuck inside a door.Deconstructing a Mess Table while a Duplicant is eating at it will no longer…
Patch notesFixesAll versionsFixed an issue where Duplicants could occasionally bypass suit checkpoints without equipping a suit.Fixed Duplicants dropping items marked for compost when they pick them up. Composts no longer drop stored items on…
Patch notesChanges and ImprovementsAll versionsUpdated Korean localization.FixesAll versionsFixed Pacu being confined even though they are not.Fixed Fish Release miscalculating number of fish.Fixed crash that could happen when using the Grooming…
Patch notesChanges and ImprovementsAll versionsPacus can now be wrangled directly.FixesAll versionsFixed an issue that was causing the pathfinding thread to silently crash instead of displaying the crash report screen. This resulted in Duplicants only…
Patch notesChanges and Improvements All versionsUpdated localizations.Bionic Booster PackBionic Duplicants spend less time at Banquet Tables conversing or waiting for conversation partners per Power Bank consumed.Fixes All versionsFixed a pathfinding…
Patch notesChanges and Improvements All versionsUpdated localizations.Fixes All versionsPotential fix for critter pathfinding crash and errand interruption.Fixed potential multithreading race condition in Duplicant pathfinding.Door Access Control…
Patch notesHey, spacefarers! We're releasing the November 2025 Quality of Life update today! This free update features performance improvements for all versions of ONI, polished-up QoL for old systems, new critter morphs, a bioprinter story trait…
Klei-JoeWAll Versions Integrated Unity Engine security update to address recently reported vulnerability.
Patch notesChanges and Improvements Prehistoric Planet PackAdded a new Higby-themed monument top blueprint to the Supply Closet. Fixes All versionsPotential fix for a crash that can occur after deconstructing the Fish Release.Fixed an issue where the…
Patch notesChanges and Improvements All versionsUpdated Korean localizations. Fixes All versionsFixed Critter Pick-Up and Critter Drop-Off displaying different critter counts in the same room.Fixed an issue with Pips rummaging seeds from Storage Bins…
Patch notesChanges and Improvements All versionsPokeshell molt pickupables now change their visuals depending on their mass.Database search now also searches entry titles and categories for a match. All sub-entries of a matched title or category are…
Patch notesFixes The Prehistoric Planet PackFixed an issue causing Dartles and their ranchers to get stuck after poorly timed farts.Fixed a bug where critters dropping from a Critter Cargo Bay were not selectable until save load.
Patch notes675474 Changes and Improvements All versionsThe UI now shows Chinese localized DLC logo variants while playing on WeGame.Updated localizations.The Bionic Booster PackAdded an icon to the achievement banners for Bionic-specific…
Patch notesHello friends, We're unleashing our new DLC today! Welcome to The Prehistoric Planet Pack. This DLC features an existential threat that no ONI colony has ever faced before: a massive impactor asteroid aimed right at this brave new world!…
Klei-JoeWWe've got dino-mite news: The Prehistoric Planet Pack DLC comes out this Thursday, June 12th! It'll be available on Steam, WeGame, and Epic. This DLC is a tribute to everyone who grew up wondering what it'd be like to coexist with…
Klei-JoeWFixes All Versions Fixed Dehydrator producing incorrect liquid byproduct.
Patch notesFixes All versionsFixed a crash that sometimes occurred when a Water Cooler was destroyed while a Duplicant was seeking refreshment.Bionic Booster PackFixed Flydo getting stuck while trying to pick up things it could not get positioned…
Patch notesFixes All Versions Fixed issue causing some symptoms of Slimelung to persist after the disease had been cured.
Patch notesChanges and Improvements All versions Updated localizations. Fixes Bionic Booster Pack Fixed Flydo not shutting down when its power bank was depleted if there were high-priority chores to do. Fixed a crash when loading workshop translations…
Patch notes{STEAM_CLAN_IMAGE}/25339032/96c5d83ac9bfc114ddeebf3651021e60bb48cf8b.png Hello, friends! Our March 2025 Quality of Life update is out today! This free update squashes some long-standing bugs and improves UX in all versions of the game. It…
Klei-JoeWChangesBionic Booster PackImprovements to Bionic Duplicant oxygen tank refilling behaviorsBionic Duplicants whose oxygen tanks are low during scheduled downtime will refill in cells whose values are at least above the "Breathable" threshold…
Patch notesChanges and ImprovementsAll versionsGeotuner delivery errand type is now Research Supply.The Bionic Booster PackLavatories now have adjustable priorities so you can set the priority of unclogging a gunked lavatory.The Priority setting for…
Patch notesFixes The Bionic Booster Pack Fixed crash that could occur when selecting Robo-Pilot Module or Robo-Pilot Capsule.
Patch notesChanges and Improvements All versions Sweepy's Dock only builds Sweepys out of the material matching its building instead of any refined metal. Bionic Booster Pack Increased Bionic Duplicant inhale radius when refilling internal oxygen…
Patch notesHi everyone, happy new year! This is the first of a couple hotfixes we have in the works. Mostly relating to feedback on The Bionic Booster Pack over the holidays. Changes and ImprovementsAll versionsOverjoyed Response errands can now be…
Patch notesChangesAll VersionsUpdated localizations for Chinese, Korean, and Russian.The Bionic Booster PackAdjusted Bionic Power diagnostic icon line thickness.Added SFX for robo pilot reaction to databank delivery.Small art revisions to the Retro…
Patch notesFixesAll versionsFixed crash that could occur when opening the database to certain entries while using translation mods.Base game onlyFixed crash due to Power Bank Scrap recipe appearing on Rock Crushers despite the Bionic Booster Pack DLC…
Patch notesBrace for electrical impact: The Bionic Booster Pack is out today! This DLC brings a surge of power-themed content to the ONI universe, including new portable power banks, remote-operation buildings, bionic Duplicants, bionic boosters…
Klei-JoeW{STEAM_CLAN_IMAGE}/25339032/72c2644cd08af9d66ffec2b47507b3e4863b0b51.jpg Big news, friends: The Bionic Booster Pack DLC comes out next Thursday, December 12th on Steam, WeGame, and Epic! This DLC is for the truly power-hungry space colonies…
Klei-JoeWChangesAll VersionsImproved errand multithreading for situationally better performance. FixesAll VersionsFixed memory leak that could lead to crashes.Fix for some “AmountInstance”-related crashes.
Patch notesChanges and ImprovementsAll versionsAdded strings for the schedule morale effect shown when hovering over Morale when selecting a Duplicant.Shift break bonuses are now called Downtime Bonuses to clarify that they are directly associated…
Patch notes{STEAM_CLAN_IMAGE}/25339032/d3e4066ffa6d763e7a6a260e6bb028d96ea2571b.jpg Hi everyone! Our November 2024 Quality of Life update is out today! This free minor update features new buildings, UI improvements, bug fixes, and performance…
Klei-JoeWChangesAll VersionsJet Suits now provide immunity to Chilly Surroundings and Toasty Surroundings.Duplicants will no longer perform Recover From Heat and Recover From Cold errands during red alert.Slight changes to save game presentation in…
Patch notesChanges and Improvements All Versions Updated Localizations. Fixes All Versions Fixed crash that could occur when loading some saves. Fixed crash when starting the game related to old worldgen files being present. Fixed layering issues with…
Patch notesChanges and Improvements All versions Bottle Emptier and Canister Emptier now show a list of relevant buildings in the Enable Auto-Bottle button's tooltip. The Auto-Bottle: On/Off status items now refer to bottling stations and canister…
Patch notesJust a small hotfix for today's DLC release. All Versions Fixed a crash that could occur when viewing phosphorite in the codex. The Frosty Planet Pack main menu icon subtext now reads "Available Now" instead of "Wishlist Now", or…
Patch notesGuess what, asteroid explorers... ...The Frosty Planet Pack DLC is out on Steam TODAY! This DLC features a frozen new world filled with brand-new biomes, oddly adorable new critters, new buildings, blueprints (aka cosmetic skins), plants…
Klei-JoeW{STEAM_CLAN_IMAGE}/25339032/01869eb88fbe41fae790cb6d212bd01e1b8209c0.jpg Hi friends! We have exciting news: The Frosty Planet Pack DLC comes out next Thursday on Steam for $7.99usd! This DLC features a new, deep-frozen world brimming with…
Klei-JoeWOxygen Not Included - A New Animated Short & DLC News! There's a new ONI short! The Dupes are gearing up to explore an icy new planet, but one crew member finds the prospect of this adventure rather...chilling. Will the colony keep its…
Klei-JoeWFixes All versions Fixed Duplicants getting stuck trying to attack critters stuck in tiles. Fixed Slicksters being able to path diagonally between tiles. Fixed incorrect reachability of Storage Tiles. Spaced Out! only Fixed crash unpausing…
Patch notesEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
| Name | Platforms | Released |
|---|---|---|
| Oxygen Not Included: The Aquatic Planet Pack | WindowsmacOSLinux | 11 Jun 2026 |
| Oxygen Not Included: Neutronium Cosmetics Pack | WindowsmacOSLinux | 20 Nov 2025 |
| Oxygen Not Included: The Prehistoric Planet Pack | WindowsmacOSLinux | 12 Jun 2025 |
| Oxygen Not Included: The Bionic Booster Pack | WindowsmacOSLinux | 12 Dec 2024 |
| Oxygen Not Included: The Frosty Planet Pack | WindowsmacOSLinux | 18 Jul 2024 |
| Oxygen Not Included - Spaced Out! | WindowsmacOSLinux | 16 Dec 2021 |
| Oxygen Not Included Soundtrack | WindowsmacOSLinux | 11 Feb 2020 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | OxygenNotIncluded.exe | windows | ||
| Launch | OxygenNotIncluded.app | macos | ||
| Launch | OxygenNotIncluded | linux |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinMyDocuments | Klei/OxygenNotIncluded/cloud_save_files/{64BitSteamID} | * and below |
It runs on public data and somebody's spare time.
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