After a year filled with smaller free updates, one of the best colony sim style survival games on PC is making a return to paid DLC. Oxygen Not Included, the space simulation game offering that ...

Contaminated Oxygen is a toxic breathable gas that's emitted by Polluted Dirt, Slime, and one-eyed creatures called Morbs. You can also find it throughout the various biomes in Oxygen Not Included.

Accompanied by new biomes, buildings and asteroids. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

All the Latest Game Footage and Images from Oxygen Not Included: The Prehistoric Planet Pack Race to save your Duplicants from an incoming asteroid collision in The Prehistoric Planet Pack! This DLC ...