Oxygen Not Included: The Aquatic Planet Pack

"Dive into the deep end of space colony expansion in The Aquatic Planet Pack! This DLC features a new flooded planet with marine biomes, resources, critters, plants, and more."

Klei Entertainment· June 11, 2026· Expansion

Dive into the deep end of space colony expansion in The Aquatic Planet Pack! This DLC features a new flooded planet with marine biomes, resources, critters, plants, and more. Towel not included.