Oil Upgrade Preview Now Available!
Introduction of the Oil Upgrade preview branch, featuring new biomes, elements, creatures, buildings, and the 'Room' mechanic.
Images © Oxygen Not Included via Steam
▲Buffs3
- ExosuitsAdded Exosuits, allowing Duplicants to safely venture into hazardous new locations.→Added
- BuildingsAdded Comfy Beds and Sinks to improve Duplicant living standards.→Added
- ApothecaryVitamin Chews:Reintroduced Vitamin Chews to help boost Duplicant immune systems.→Added
◆Other changes14
- Oil BiomeAdded the Oil Biome, introducing new environmental challenges and resources for players to explore.→Added
- Elements
- Added Oil as a new element to the game world.→Added
- Added Petroleum as a new element for refining and power.→Added
- Added Plastic as a new material for construction.→Added
- SlickstersIntroduced Slicksters, a new creature inhabiting the oil-rich areas.→Added
- Buildings
- Added Oil Refinery for processing raw oil.→Added
- Added Petroleum Generator as a new power source.→Added
- Added Polymer Press for creating plastic materials.→Added
- Added Plastic Ladders and Tiles for base construction.→Added
- Added Exosuit Station, Checkpoint, and Dock to support suit usage.→Added
- Added Animal Trap and drop-point for creature management.→Added
- ApothecaryPlacebo pills:Reintroduced the Apothecary with all-purpose Placebo pills.→Added
- Disease SystemDisease population is now limited by the mass of the object it is on, changing how infections spread.→Mass-based
- Room MechanicIntroduced the 'Room' mechanic to better manage medical facility assignments and Duplicant aspirations.→Added
subjects affected (8)
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Patch history
- [Game Update] - 744825Jul 28, 2026 · 2d
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 · 3mo
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
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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.
Patch Notes 1.0.3
Patch 1.0.3 focuses on stability improvements, bug fixes for quest progression and building mechanics, and new chat commands for Creative Mode.
July 29 Update
Stability and AI improvements across several missions, a critical fix for Plasma Pistol damage, and a comprehensive list of known technical issues and workarounds.
Update 4 Hotfix 2
Update 4 Hotfix 2 focuses on balancing the Skullcrusher Ravager and Tormentor, fixing critical save-breaking bugs in Osseus, and resolving various clipping and UI issues.
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