Oxygen Not Included - Oil Upgrade Available Now!
The Oil Upgrade introduces hydrocarbons, a new oil biome, protective Atmo Suits, a room-based bonus system, and various new buildings and creatures.
Images © Oxygen Not Included via Steam
▲Buffs6
- Atmo Suits
- Atmo Suit:Atmo Suits increase digging speed and protect Duplicants from extreme temperatures and gases.→Increased
- Atmo Suit:Wearing a suit now prevents the 'Unclean' effect when stepping in liquids.→Immune
- RoomsAreas fulfilling specific requirements are now recognized as rooms, granting efficiency bonuses to buildings within.→Added
- General
- Sinks:Added plumbable Sinks to replace manual Wash Basins.→Added
- Plastic Infrastructure:Plastic ladders and tiles are faster to traverse and resist germ spread.→Increased
- Germs:Introduced disease mass limits to prevent germs from reproducing infinitely.Infinite→Capped
▼Nerfs1
- Atmo SuitsAtmo Suit:Wearing an Atmo Suit slightly slows down Duplicants.→Decreased
◆Other changes10
- Hydrocarbons
- Introduced Crude Oil and Petroleum as new resources for advanced plastics and power generation.→Added
- Oil Well:Added Oil Wells to extract fuel from Oil Geysers, though they may require water as a sacrifice.→Added
- Oil Refinery:Added Oil Refinery to produce Petroleum for use in high-powered generators.→Added
- Polymer Press:Added Polymer Press to manufacture germ-resistant plastics for advanced technologies.→Added
- Atmo SuitsSuit Checkpoint:Suit Checkpoints force Duplicants to wear suits before entering dangerous areas.→Added
- RoomsAdded a Rooms Overlay to visualize completed rooms and their active bonuses.→Added
- General
- Slicksters:New creatures that convert carbon dioxide into fuel.→Added
- Apothecary:The Apothecary returns, allowing the creation of medicines and Vitamin Chews.Removed→Added
- Research Tree:Techs have been split into more chunks with rebalanced costs for more flexible progression.→Rebalanced
- Daily reports now provide more detailed and accurate colony activity breakdowns.→Improved
subjects affected (4)
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Patch history
- [Game Update] - 744825Jul 28, 2026 · 3d
A small update focusing on bug fixes for Duplicant teleportation, building deconstruction, and various memory and graphics optimizations.
+1→ - [Game Update] - 740622Jul 7, 2026 · 3w
This update focuses on the Aquatic Planet Pack, improving Minnow's traits, adjusting critter behaviors, and fixing various stability and visual bugs across multiple DLCs.
+5→ - [Game Update] - 737790Jun 17, 2026 · 1mo
A quality-of-life and bug-fix update focusing on the Prehistoric and Aquatic Planet Packs, improving critter interactions, and fixing various system stability and visual issues.
+11→ - [Game Update] - 737195Jun 12, 2026 · 1mo
A small update focusing on stability fixes and corrections for the Aquatic Planet Pack and Spaced Out! DLC.
+1→ - [Game Update] - 720580 & 720697Apr 2, 2026 · 4mo
A series of bug fixes addressing insulated doors, power generators, UI input issues, and stability for the Bionic Booster Pack.
+4→ - [Game Update] - 707956Jan 16, 2026 · 6mo
A small stability update addressing crashes related to critter feeding and mess station deconstruction, along with a rocket return fix for Spaced Out!
+1→ - [Game Update] - 706793Jan 12, 2026 · 6mo
A series of stability fixes and bug corrections focusing on Duplicant behavior, Printerceptor mechanics, and general game crashes.
+1→ - →[Game Update] - 704096Dec 11, 2025 · 7mo
Minor bug fixes regarding Duplicant suit checkpoints and composting behavior.
Recently Updated
6
Hotfix 5
Hotfix 5 focuses on critical stability improvements, fixing login and character creation crashes, and resolving several interaction bugs in the world and crafting.
A new hotfix is now available on Steam! version 0.8.10.455!
Hotfix 0.8.10.455 addresses loading screen issues in Steam Offline Mode and fixes specific co-op connectivity problems.
0.12.1.1 is now live!
Hotfix 0.12.1.1 addresses dialogue soft-locks in the Great Body Robbery, fixes Agility completion time persistence, and corrects a drop issue for TokTz Ket Xil's shield vestige.
Update 2.57.1.58
Update 2.57.1.58 focuses on bug fixes for aircraft countermeasures, ground vehicle missile stowage, and various interface issues in replays and screenshots.
V1.4.0.2 - Update V1.4, Hotfix 2 - 30th July
Hotfix V1.4.0.2 focuses on stability, fixing driver swap bugs, setup application issues, and improving VR compatibility.
MW5 Mercs Localization Update
A minor update focusing on localization additions and language fixes.
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