Oxygen Not Included (2019)

Oxygen Not Included plunges players into the thrilling challenge of establishing and maintaining a subterranean space colony. Scarcities of oxygen, warmth, and sustenance are ever-present threats, forcing players to meticulously manage their growing population of Duplicants. Every aspect of the colony, from excavation and resource allocation to intricate plumbing and power systems, falls under your direct control. With resources constantly depleting, rapid expansion and clever engineering are paramount for survival. Beyond basic needs, players must contend with the psychological toll of survival, ensuring Duplicants remain happy through leisure, accommodations, and quality food to prevent destructive stress reactions. Temperature regulation is another critical concern, with the delicate balance between freezing and frying demanding constant vigilance over ambient environments and internal heat production. Klei Entertainment's signature blend of deep simulation and engaging gameplay shines through in Oxygen Not Included. The game features complex gas and liquid simulations, allowing players to design intricate pipe networks for efficient resource delivery. Power grid management, with a variety of energy sources and the potential for disastrous meltdowns, adds another layer of strategic depth. A unique "Oxygen Overlay" provides real-time visualization of air flow, essential for monitoring carbon dioxide buildup and optimizing oxygen generation. The game also champions extreme recycling, transforming waste into valuable fuel, unbreathable gases into air, and even leveraging biological processes for sustenance. The procedurally generated worlds offer endless replayability and unique challenges, showcasing Klei's mastery of intricate, emergent gameplay that makes Oxygen Not Included a standout title.