The Oil Upgrade introduces hydrocarbons, a new oil biome, protective Atmo Suits, a room-based bonus system, and various new buildings and creatures.
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▲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)
tap to see balance history
Patch history
- [Game Update] - 737195Jun 12, 2026 · 3d+1→
- [Game Update] - 720580 & 720697Apr 2, 2026 · 2mo+4→
- [Game Update] - 707956Jan 16, 2026 · 5mo+1→
- [Game Update] - 706793Jan 12, 2026 · 5mo+1→
- →[Game Update] - 704096Dec 11, 2025 · 6mo
- [Game update] - 703433Dec 9, 2025 · 6mo+3→
- [Game Update] - 702577 & 702808Dec 4, 2025 · 6mo+3→
- [Game Update] - 701625Nov 28, 2025 · 6mo+2→
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