What changed in Oxygen Not Included in 2026

Fixed incapacitated Duplicants teleporting to the bottom left of the world after being rescued and resuscitated.

Fixed liquid rendering bug on older graphics cards.

Optimized liquid texture array size to improve graphic memory usage.

Deconstructing buildings that have Gaskets now spawns a Gasket of the correct element, and not Genetic Ooze.

Fixed an issue that would occur if multiple 'Empty Conduit' requests were queued up on a single conduit before it was destroyed.

Fixed Masterworks skill string not mentioning Masterpiece artwork quality.

Optimized some textures to reduce memory usage. Removed some unused textures.

Fixed issue causing exhaled CO2 to sometimes appear at the wrong location.

Fish occupying a boundary cell of a pool will no longer be considered inside that pool.

Updated Gildgo Egg animation.

Beakons and Pokeshells will no longer poop on Wide Hydroponic Farm tiles with more than 2 cycles of fertilizer supply already in storage.

Fixed issue causing the Liquid Tepidizer to play working animations while inoperational.

Fixed a typo in Kai's bio.

In new saves, Minnow will now join your colony with +4 in all attributes and the Ancient Knowledge trait providing 3 Skill points.

Fixed a rare crash related to pathing near doors, liquids, and ladders.

Seaquines will now poop on a more regular basis.

Fixed Orehulls getting stuck in a loop trying to get groomed when adjacent to solids.

Added Chinese versions of The Aquatic Planet Pack logos for WeGame players.

Fixed a visual bug that showed a shadow in front of interior rocket liquids and gas port tiles whenever liquid was touching them.

Centered horizontal alignments for DLC logos in the Main Menu.

Adjusted horizontal movement timing of flopping critters to better match their animations.

Fixed Baby Orehull not flopping to water while watched because they are shy.

Fixed crash that occurred when deconstructing the Tattered Beach Chair without owning The Prehistoric Planet Pack.

Fixed Blowters emitting bubbles into solid tiles and causing them to be destroyed.

Fixed Jawbos getting stuck in a loop trying to get groomed when adjacent to solids.

Doors set to 'Auto' no longer open and close upon loading a save game.

Fixed audio performance issue with Beakons.

Minnow's Freediver trait now provides +4 to all attributes while swimming.

Fixed a visual bug where a Duplicant harvesting a Kelpole caused two Kelpoles to appear.

Large swimmers will no longer get stuck when swimming near solid tiles.

Breathing Station now refers to utility in suffocating environments more broadly.

Added missing entry for the Mimika critter in the Critter Flux-O-Matic.

Wide Hydroponic Farm now specifies that only some seeds require irrigation with liquid pipes.

Resolved issue with Gum Palm Seed appearing to float while on the floor.

Baby Slogo and Gildgos no longer retaliate when attacked.

Resolved issue with swimming Duplicants struggling to find safe areas to recover breath.

Resolved issue where building pipes or wires through a Wide Hydroponic Farm would break tiles.

Light-emitting critters’ emission amount now reacts more quickly to changing conditions.

Resolved visual bug where unstable natural tiles became invisible on certain conditions.

Seaquines can now eat at Fish Feeders without falling.

Large flopping aquatic critters no longer get stuck entering liquids from the right side.

Resolved issue where Jawbo could not reach ranching stations when placed against solid tiles.

New critters now display their custom strings after being scanned by the Critter Flux-O-Matic.

Gildgo Molt entry in the database now displays its correct name.

Hydroponic Farm now specifies that only some plants require irrigation via Liquid Pipes.

Addressed audio performance issue when 3,600 splashes occur simultaneously.

Addressed potential crash related to assigning skills.

Resolved visual bug where Magma texture displayed as default on certain graphic cards.

Resolved bug where light was not passing through Mesh Tiles and Airflow Tiles on save load.

Sealed doors that have been opened will no longer be assigned a Lock chore on game load.

Resolved issue with single packets bypassing liquid and gas vents.

Aquatic critters now reference pool size instead of room size for Confined and Crowded conditions.

Resolved issue where Glo Squid Beach Chair cosmetic was cut off when adjacent to other chairs.

Resolved issue where Swimwear did not apply insulation correctly when worn.

Updated art for the Petta Pouf Seed to avoid confusion with critter eggs.

Resolved issue where Wide Hydroponic Farm did not queue up uprooting errands when built over plants.

Resolved bug where aquatic critters were being groomed at the Grooming Station.

Enhanced stability of pool surfaces when bubbles are popping.

Jawbos can now eat Cooked Seafood to gain a Happiness bonus and reduce Wildness.

Orehull description now correctly states that its output is Polluted Mud.

Resolved issue where Orehulls could not reach ranching stations when placed against solid tiles.

Updated sound effects for the Tepidizer when operating in Turbo Mode.

Duplicants that start with the Divemaster skill will also be granted the Basic Swimming skill, even on non Marinea starts.

New biomes include Beach, Reef, Kelp Forest, and Abyss.

Extract latex from palm trees to produce rubber for various uses.

The Aquatic Planet Pack features new biomes, critters, plants, resources, foods, buildings, and two new Duplicants.

The Aquatic Planet Pack DLC launches on June 11th, introducing swimming Duplicants and new gameplay features.

Duplicants can now swim and perform CPR.

Explore a flooded starting world with new creatures and resources.

Flatulent Duplicants now produce bubbles when farting underwater.

Klei Fest starts on June 11th with discounts, releases, and updates across Klei games.

Introducing recruitable survivor Duplicant Kai and Minnow.

Potential fix for a crash related to opening an element database entry.

Fixed issue causing incorrect font for Cyrillic characters.

Fixed issue where plants that are out of fertilizer would be operationally active on load.

Resolved issues with off-gassing liquids emitting incorrect amounts or temperatures.

Addressed issues with power transformers and circuit initialization.

Adjusted to be less error-prone and more stable for small fluctuations.

Tears will no longer evaporate instantly due to insufficient mass.

Resolved bugs related to incorrect volumes and stuck Duplicants.

Tiles associated with POIs will now be correctly revealed in new games.

Resolved issues with mechanized airlocks erroneously transferring heat.

Duplicants with the same name will no longer share logging of stress modifiers.

Addressed issues related to mod installation and compatibility.

Percentages will no longer round up to 100% to avoid confusion.

Added a Research button and made layout adjustments.

Micrograms can now exchange temperature in the simulation.

Fixed crash that could occur if a mess station is deconstructed while a dupe is navigating to it for a meal.

Fixed a bug preventing a rocket's roundtrip return flight from triggering whenever a POIs last available resource was collected.

Fixed a crash that could occur when critters consume plants directly.

Reverted due to unexpected side effects.