Outbreak Upgrade Available Now!

✦AI summary2d

The Outbreak update introduces a comprehensive disease and germ system, a reworked farming requirement system, new plants, buildings, and the addition of Asteroid Ruins.

Images © Oxygen Not Included via Steam

▲Buffs10

Farming
- Added Dusk Caps, allowing for new recipes such as Fried Mushrooms.→Dusk Caps
- New Farming Overlay allows players to track crop progress and perform batch harvesting.→Farming Overlay
Disease System
- Duplicants now have an Immunity attribute that determines their ability to resist germs.→Added
- Medical Aid:Duplicants can now doctor sick peers in Med-Beds; higher Medicine skill increases recovery speed.→Increased
- New Germ Overlay allows players to track contamination levels and infected Duplicants.→Germ Overlay
Buildings
- New building used to sanitize contaminated resources.→Added
- New building that encourages hand washing to improve Duplicant hygiene.→Added
- New building to cool down liquids, though it outputs significant heat.→Added
- New buildings providing complete control over liquid transport and storage.→Added
World & ExplorationNew creatures that provide light, though they may negatively affect light-sensitive crops.→Added

◆Other changes6

FarmingHarvest Rating points are retired in favor of a Requirement system where plants need specific conditions like pressure and light to grow.Harvest Rating Points→Requirement system
Disease System
- Introduced germs that spread via touch, ingestion, and air, reacting dynamically to the environment.→Added
- Food Poisoning has been revamped and Slimelung has been added as a new airborne disease.Basic→Revamped
World & ExplorationAdded mysterious ruins containing unusual machinery to explore in the asteroid.→Added
General
- Oxygen Not Included is now available on Mac.→Added
- Added new background music, paintings, hair colors, and Duplicant blueprints (Ari, Jean, Camille, Ashkan).→Added

subjects affected (5)

tap to see balance history

Farming3 Disease System5 Buildings4 World & Exploration2 General2

How did this patch land?

🔗

official notes

Oxygen Not Included · Aug 24, 2017

↗

☕

Enjoying PatchDiff?

AI & server costs add up — a coffee helps keep it free for everyone. Thank you!

→

Patch history

see all 97 →

Recently Updated

[Dev Team] stellaris_test updated with 4.4.2 (checksum 38b9)

Stellaris·19h

Beta update 4.4.2 focuses on slowing down the Forever Cruise situation and fixing several stability crashes.

+1 buff−2 nerf

CHAOS REIGN Update Patch notes

MechWarrior 5: Mercenaries·21h

Initial post-release patch for Chaos Reign focusing on community-reported bug fixes and general improvements.

Beta Branch - Version 0.25.2_1

Romestead·23h

Beta Branch update focusing on multiplayer stability, crash fixes, and audio improvements.

+9 buff

Patch 0.1.1d

Witchspire·1d

Patch 0.1.1d focuses on fixing spawn issues and reworking the Vault dungeon for better consistency.

+1 buff

Patch 1.5.5

Master of Command·1d

Patch 1.5.5 focuses on artillery effectiveness, bracing mechanics, and significant balance adjustments for Swedish and Polish nations, alongside various unit stat tweaks.

+22 buff−5 nerf