Oxygen Not Included: The Aquatic Planet Pack
Oxygen Not Included's first major expansion trades your sky colony for an underwater one, adding dozens of new production chains but demanding you relearn your colony blueprints.
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GamerScout Verdict
Essential for base-game veterans seeking new production chains; skip if the core loop already exhausted you.
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About Oxygen Not Included: The Aquatic Planet Pack
I've logged enough hours in Oxygen Not Included to know its rhythm: thermal management, supply chains, keeping dupes fed and happy. The Aquatic Planet Pack keeps all that intact but forces you to rethink it. The flooded planet means water-based resource extraction, new critters with different behaviours, and production chains built around aquatic plants and minerals. If you've mastered the base game's spreadsheet-heavy colony building, this is a natural next step that respects your existing knowledge while genuinely expanding the decision tree. The catch: it's not transformative enough to justify buying if you've tired of the core loop. It's a horizontal expansion, not a vertical leap. The 91% Steam score reflects a solid, well-implemented addition for fans already committed to the grind. Newcomers should finish the base game first. The new planet teaches marine biome management methodically, but Klei assumes you already know how to read a gas pressure gauge.
Strategy & simulation
Tags
System Requirements
Minimum
Requires a 64-bit processor and operating system
Recommended
Requires a 64-bit processor and operating system
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Reviews & Ratings
Game Info
- Developer
- Klei Entertainment
- Publisher
- Klei Entertainment
- Release Date
- Jun 11, 2026
