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About Oxygen Not Included
Oxygen Not Included is a space‑colony simulation where players manage oxygen, heat, and food to keep their subterranean asteroid settlement alive. Every aspect—from digging tunnels to wiring power grids—is under direct control, demanding careful planning as resources dwindle with each breath.
The game blends complex gas, liquid, and thermodynamic systems with duplicant stress mechanics, encouraging players to build efficient, self‑sustaining bases. Procedurally generated worlds add variety, while recycling and clever engineering let colonies thrive beyond mere survival.
01 / THE GUIDE
Resource Management
All resources in the colony are manually allocated, from excavation to plumbing and power. Early depletion forces players to dig quickly and plan supply lines. Efficient recycling turns waste into fuel or food, allowing bases to run on minimal inputs. Clever use of every resource can even power a colony from duplicant emissions.
- Prioritize digging near abundant resources to reduce travel time.
- Set up recycling loops early to offset later shortages.
02 / THE GUIDE
Stress Management
Duplicants react differently to stress, making morale a key factor in colony health. Leisure activities, comfortable housing, and good food help keep stress low. Monitoring each duplicant’s psychological state prevents destructive reactions that could jeopardize survival.
- Provide varied leisure options to suit different duplicant personalities.
- Upgrade accommodations before stress spikes become critical.
03 / THE GUIDE
Temperature Control
Thermodynamics constantly challenge players; too cold freezes colonists, too hot fries them. Keeping ambient temperature steady requires managing heat production and environmental exposure. Use insulation and heat exchangers to maintain a comfortable climate for the colony’s operations.
- Place heat‑generating machines away from temperature‑sensitive areas.
- Employ insulation on walls bordering extreme zones.
04 / THE GUIDE
Power Systems
A variety of power sources—coal, hydrogen, natural gas, or manual effort—feed the colony. Players must balance generation, storage, and distribution while avoiding overloads. Circuit management prevents meltdowns, ensuring continuous operation of essential systems like oxygen generators and pumps.
- Start with low‑output generators and scale up as demand grows.
- Monitor circuit loads to avoid accidental overloads.
05 / THE GUIDE
Procedurally Generated Worlds
Each new world is generated with unique terrain and resource layouts, offering fresh challenges for each playthrough. Players can summon a new world at any time. Exploration reveals untamed space rocks, but also new hazards that can quickly end a colony if unprepared.
- Scout the surface before committing resources to deep excavation.
- Adapt early strategies to the specific resource distribution of each world.
COMMUNITY
Player discussion