Oxygen Not Included is a colony-building game with a ton of depth. At first, players only need to provide basic survival requirements like beds, food, and toilets, but as the base runs out of ...

Polluted Water is an obnoxious substance in Oxygen Not Included, it’s a breeding ground for bacteria, it’ll make your Duplicants sick, it pollutes clean water, and over time it will spit out Polluted ...