Oxygen Not Included – Oil Upgrade Available Now!

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Plumbing further into the depths of the asteroid, our Duplicants have made a fortuitous discovery - oil! Will the colony flourish into an energy-rich paradise? Or devolve into a mire of sweltering heat and suffocating fumes?

Welcome to Oxygen Not Included - Oil Upgrade!

So What's New?

Hydrocarbons

Oxygen Not Included has received a whole new collection of Hydrocarbon resources, along with research and buildings to manipulate them to your benefit. Among these new Hydrocarbons are Crude Oil and Petroleum, which you can use to manufacture versatile plastics for advanced technologies and luxury commodities.

Key Features
  • Oil Biome: Journey down into the asteroid's depths to obtain the valuable Crude Oil that awaits in this new biome. You may even make some new creature friends along the way.
    Oil Wells and Geysers: Seek out Oil Geysers and tap them with Oil Wells to extract their precious fuel. You may need to sacrifice some fresh water in the process, however.
    Petroleum Generator: Use the new Oil Refinery to produce Petroleum and fuel your new high-powered Petroleum Generator.
    Plastics: The Polymer Press will allow you to start manufacturing your own plastics, unlocking a new tier of advanced and germ-resistant materials. Try not to heat them up though; Naphtha byproducts are no use to anybody.
Suits
Suits are heavy-duty hazard gear designed to keep your Duplicants breathing in any environment. With these new additions, you control when and where Duplicants must wear protective suits as they go about their work and keep your base running.

Key Features
  • Atmo Suits: Crafted at the new Exosuit Station, Atmo Suits increase digging speed and shield Duplicants from unlivable temperatures, gases, and conditions. They may slow your Dupes down a bit, but being slow is better than being dead.
  • Checkpoints and Docks: Use new Suit Checkpoints to mark off areas where Duplicants must wear Atmo Suits and prevent them from entering dangerous places unprotected. Once done they've finished their business, you can store and refill your exosuits back at the Suit Docks located next to your Checkpoint.
  • New Overlay: Enter the Exosuit Overlay to view docks and the checkpoints marking where Duplicants must change into suits.
And More
  • Rooms: When areas you've built fulfill certain requirements, they will now be recognized as designated rooms. For example, an area with a toilet, sink, and a door will now be recognized by Duplicants as a "Bathroom". Completing rooms will grant bonuses to the buildings within them and make Duplicants more efficient.
  • New Overlay: Enter the Rooms Overlay to view all current completed rooms in your base and the bonuses being granted by them.
  • New Creatures and Buildings:
    • Sink: Tired of filling and emptying Wash Basins all the day long? Well now you can build your own plumbable Sinks, complete with clean and dirty water pipes!
    • Plastic Ladders and Tiles: Use your brand new plastics to improve the infrastructure in your colony. Plastic ladders and tiles are faster to run on, and their natural antiseptic properties will even keep germ spread at bay!
    • Slicksters: These slippery little scoundrels can help you recycle your colony's excessive carbon dioxide production into sweet, sweet fuel. Plus they're cute!
    • Comfy Beds: The meaning of the word "discomfort" is sure to fade from collective consciousness once you build your Dupes these fancy beds.
    • Heavi-Watt Joint Plate: Run Heavi-Watt Wire through walls with this industrial joint plate.
  • Apothecary Unretired: The Apothecary has been reintegrated and can now be used to create general medicines for sick Duplicants, or tasty Vitamin Chews to boost individual immune systems.
  • Research Tree Changes: Existing techs have been separated out into more chunks so you have more choices about how to tackle your tech problems, and costs have been rebalanced to fit.
  • Improved Daily Report Breakdowns: Reports now display more varied and accurate information about your colony's activities throughout the day, for example - how many embarrassing bathroom accidents your Duplicants had that cycle.
  • Disease Mass Limits: New disease mass limits mean germs can no longer reproduce ad infinitum, which is nothing to sneeze at.
  • Tons of bug fixes, rebalances, QOL additions and more!
  • [BETA] Simplified Chinese Translation: We've added a new BETA translation in Simplified Chinese. Additionally, community translations are still available and we are working to provide more translations for many other languages as well.
A big thank-you to those of you who joined in on the Oil Upgrade Open Testing - your reports, feedback and contributions mean a lot to us and we really appreciate you lending us your time to test the game.

Enjoy your time with the Oil Upgrade, and we'll see you in space!

HOTFIX 236191
  • Idle dupes returning their suit should now put their suit in the locker instead of dropping it on the ground if the locker they are returning it is closer to them than the arrow it is attached to.
  • Fixed a bug where you could no longer dump the contents of Storage
  • Lockers onto the ground.
  • Duplicants should no longer sometimes ignore Storage Locker settings.
  • Duplicants should no longer deliver food to a Refrigerator if that Refrigerator is not set to accept that food.
  • Airflow tiles should now be properly detected as a room wall.
  • Fixed a bug where rooms were not being properly detected.
  • Newly discovered resource categories will no longer be automatically delivered to storage boxes where the storage box does not have the all button checked.
  • Fixed a crash that could occur when dupes are working at a fabricator.
  • Fixed a crash that could occur during room detection.
  • Fixed a crash that could occur when going to the bathroom.
  • Fixed a bug where circuits were no longer overloading.
  • Animal Relocator selection box should now match the size of the art.
  • Fixed a crash that could occur if a translation had bad format specifiers for the Duplicant personalities.
HOTFIX 236264
  • Fixed a crash that could occur when using Animal Traps
  • Fixed a crash that could occur when destroying electrical buildings
  • Fixed a crash that could occur when inspecting the atmosphere section of a plant
HOTFIX 236679
  • Research screen scroll bar should no longer be missing
  • Duplicants should no longer get Food Poisoning/Slime Lung when using the Impervious Immune System setting
  • Stress vomiting Duplicants infected with Hypothermia should no longer vomit Hypothermia germs
  • Wearing a suit should prevent your Duplicants from getting the "Unclean" effect when stepping in liquids meaning they should no longer want a shower while using a Suit
  • Updated Simplified Chinese localization