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Oxygen Not Included
Terraria
Against the Storm
Anno
Project Zomboid
Valheim
Graveyard Keeper
Palworld
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Research
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Improved Ventilation
Improved Ventilation
Tier
3
Cost
50 Research points
Spaced Out!
Gases
Unlocks
Atmo Sensor
Gas Shutoff
High Pressure Gas Vent
Insulated Gas Pipe
Requires
Pressure Management
Required by
Gas Distribution
Hazard Protection
