While Rimworld and Dwarf Fortress are the more common names youll hear mentioned in the colony sim space, Oxygen Not Included deserves similar respect. Developer Kleis space base-building game boasts more than 120,000 player reviews with a 96% positive Steam score, and remains a pillar of the genre nearly six years after launch. Now, its just been given a lease of fresh life with the launch of a new ONI DLC, the Prehistoric Planet Pack, and theres a hefty Steam sale discount on the base game if youve never tried it before, making now a perfect time to start. Continue reading Space colony sim Oxygen Not Included faces down extinction in new dinosaur DLCMORE FROM PCGAMESN: Best strategy games, Best management games, Best space games