Oxygen Not Included: The Aquatic Planet Pack

Overview

Oxygen Not Included: The Aquatic Planet Pack is a Steam DLC connected to Oxygen Not Included. It was prepared by Klei Entertainment, published by Klei Entertainment, and released on Jun 11, 2026. This page focuses on the store listing, screenshots, price, requirements, and its relationship to the main game rather than presenting it as a normal live-player game.

Store reviews and relationship

Oxygen Not Included: The Aquatic Planet Pack is a DLC, so player-count observations and tracked peak are not meaningful in the same way they are for a base game. The useful signals here are reviews, store recommendations, price, platform support, and the link back to Oxygen Not Included.

Language and system requirements

Oxygen Not Included: The Aquatic Planet Pack is available in 4 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Recommendations and store value

Oxygen Not Included: The Aquatic Planet Pack has 282 Steam recommendations. Twitch streaming and unit-sales estimates usually belong on the parent game page, while this page is better for checking the DLC, price, media, and store details.

Oxygen Not Included: The Aquatic Planet Pack overview details

Oxygen Not Included: The Aquatic Planet Pack is tracked as Steam Store content with pricing, reviews, packages, media, requirements, and its relationship to the parent app.

Steam Store description

The Duplicants plunge into a world beneath the waves, where they will either sink...or learn to swim for the first time in ONI history! Open the floodgates of The Aquatic Planet Pack to explore the uncharted waters of a new starting planet awash with marine biomes, bioluminescent plants and critters, expanded aquatic ranching, and splashy Duplicant action. New Duplicant Skill Unlocked Train your Duplicants to swim, and watch them cannonball right into the deep end! Once they've mastered nautical navigation, they can focus on colony-building instead of worrying about the pool being a little chilly. They might still care about coworkers peeing in the pool, though. Unreal Aquaculture Explore flooded biomes full of remarkable marine critters, geysers, and plants that provide new foods, building materials, and even oxygen—including a puffed-up fish that drowning Dupes can sneak a life-saving breath from. It's everything an underwater colony needs to keep both their workers and their industrial expansion efforts afloat. All-New Elements Uncover a world of new elements that fuel construction, power, productivity, and refinement. Rubber production is especially useful, as it's used to craft higher-voltage insulated wires and rubber boots that prevent Duplicants' feet from getting too soggy. Seaworthy Styles Transform your colony into a bastion of nautical style with more than 100 new cosmetic blueprints! You'll find a deluge of cool new paintings, buildings, outfits, Atmo Suits and more in the Supply Closet. Sole Survivor Recruit a strangely evolved Duplicant from another c…

SteamPulse editorial summary

Oxygen Not Included: The Aquatic Planet Pack is listed as a DLC with $9.99. It supports Windows, macOS, and Linux, belongs to Single-player, Downloadable Content, Steam Trading Cards, and Family Sharing, and is associated with Indie and Simulation. Because it is a DLC, SteamPulse focuses on its Store listing, relationship to the parent app, media, packages, and metadata rather than treating it like a standalone concurrency page.

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.