RimWorld Odyssey Oxygen Pump Guide
Written by Alec Blackwood
Oxygen Pumps in RimWorld Odyssey let you fill enclosed rooms on your gravship with breathable air. Without them, your pawns will suffocate in vacuum unless they’re wearing a vacsuit.
How Oxygen Pumps Work
Oxygen Pumps are unlocked by researching Orbital Tech. Once built, they create breathable air in sealed rooms. They only work if the room is fully enclosed by walls and doors, and has no open gaps to vacuum.
You’ll need these pumps any time you want pawns to safely remove their vacsuits in space. This includes living quarters, medical rooms, or workspaces inside your gravship.
Each pump covers a limited area. Larger rooms may need multiple pumps to stay filled with oxygen.
How to Use Oxygen Pumps
Research Orbital Tech
This unlocks Oxygen Pumps, vacsuits, and vac barriers.Build a Fully Enclosed Room
Use gravship walls, sealed doors, and no exposed edges. Any leak makes the pump useless.Place the Oxygen Pump Inside
Once powered, it will fill the room with air. You’ll see the vacuum status disappear.Keep It Powered
Losing power shuts off the pump, and the room vents to space.Optional: Add Vacsuit Lockers
Put them near the airlock so pawns can remove suits safely once inside.
Oxygen does not transfer between rooms. You need pumps in each sealed zone.
Why They’re Important
If your pawns stay in suits too long, they’ll overheat, move slower, and suffer penalties. Oxygen Pumps let them breathe freely in your ship without the constant hassle of suiting up.
You also need air for hospitals, bedrooms, and most work areas. Without a working pump and full seal, those rooms become deadly.
Final Blurb
Oxygen Pumps are a must-have for long-term space living in RimWorld Odyssey. Get Orbital Tech early, seal your rooms tight, and keep your crew breathing. No air equals dead pawns.
FAQ
Q: How do I unlock Oxygen Pumps?
Research Orbital Tech.
Q: Can they work in open rooms or near leaks?
No. The room must be fully sealed.
Q: Do Oxygen Pumps need power?
Yes. If power is lost, the room vents immediately.
Q: Do I need a pump in every room?
Yes. Oxygen doesn’t spread between rooms.
Q: What happens if I forget one?
Your pawns will suffocate if they remove their suits.
Q: Do Oxygen Pumps work on planets too?
No, they’re only needed in space where vacuum is present.
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