Planning for the long term is vital for success, so lets dig into some Oxygen Not Included tips! That way you don’t regret not knowing these things sooner. And many never seem like a problem at all… until suddenly they are. Although not all of them are entirely intuitive. From oxygen to power, and temperatures to germs, learning and balancing them all can be a huge challenge. That’s thanks to its multitude of systems constructed by Klei. Oxygen Not Included tips the scales against you in a variety of ways.