Oxygen Not Included: The Aquatic Planet Pack
Oxygen Not Included: The Aquatic Planet Pack is downloadable content for the colony simulation Oxygen Not Included that adds a waterlogged starting planet with marine biomes, bioluminescent plants, and new critters. It introduces a Duplicant swim skill, expanded aquatic ranching, new elements and production chains (including rubber), and more than 100 cosmetic blueprints in the Supply Closet. The pack can recruit a unique evolved Duplicant and adds resources that produce oxygen and food. Released Jun 11, 2026, it supports Windows, macOS and Linux and full audio in English, Simplified Chinese, Korean and Russian. Reviews show 93% positive among 113 evaluations.
Oxygen Not Included: The Aquatic Planet Pack Features
Aquatic starting planet
New water-filled starting planet with multiple marine biomes, bioluminescent flora and underwater geysers to explore and exploit.
Duplicant swim skill
A new trainable swim ability lets Duplicants navigate flooded areas and perform aquatic tasks instead of avoiding deep water.
Marine critters and resources
Adds new critters and plants that provide food, building materials and even oxygen, including a puffed-up fish that can give drowning Duplicants a short breath.
New elements and production chains
Introduces new elements and manufacturing paths such as rubber production, used for higher-voltage insulated wires and rubber boots.
Cosmetic blueprints
More than 100 new cosmetic blueprints in the Supply Closet, including paintings, buildings, outfits and Atmo Suits for colony customization.
DLC format and single-player support
Distributed as downloadable content for the base game; gameplay is single-player and includes support features like Steam Trading Cards and Family Sharing.
Oxygen Not Included: The Aquatic Planet Pack Quick Facts
Frequently Asked Questions
What is this pack?
This is downloadable content for Oxygen Not Included that adds a new aquatic starting planet, marine biomes, bioluminescent plants, new critters, expanded aquatic ranching, new elements and cosmetic blueprints.
What notable gameplay changes does it introduce?
It adds a Duplicant swim skill, swim-capable navigation, new marine critters and plants (some that provide oxygen and food), expanded aquaculture systems, and new elements such as rubber used for insulated wiring and rubber boots.
Which platforms and languages are supported?
The pack supports Windows, macOS and Linux. Full audio and interface support are provided for English, Simplified Chinese, Korean and Russian; subtitles are not shown as supported.
What are the system requirements?
Minimum: Windows 7 (64-bit), Dual Core 2 GHz, 8 GB RAM, Intel HD 4600 (or AMD/NVIDIA equivalent), 3 GB storage; Requires a 64-bit processor and OS. Recommended: Windows 11, Intel Core i7-8700K (or equivalent), 16 GB RAM, dedicated GPU with 2 GB VRAM, 3 GB storage.
How has the pack been received by players?
Across 113 reviews, the pack has a 93% positive rate.
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