Oxygen (O2) in Starfield is vital to your survival in space and while out exploring the Settled Systems. Learn how to conserve oxygen, how to increase your O2 levels, and what consumes oxygen in this guide.
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Using your boost pack to jump and fly does not deplete oxygen. On the contrary, it gives you time to replenish your O2 levels as it consumes the boost stat instead.
Conserve oxygen depending on whether or not you prefer adventuring with human companions. Note that you can only choose one or the other.
Extrovert |
You're a people person. Exerting yourself uses less oxygen when adventuring with human companions. but more when adventuring alone. (Can't be combined with Introvert.) |
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Introvert |
You really need your alone time. Exerting yourself uses less oxygen when adventuring alone, but more when adventuring with other human companions, (Can't be combined with Extrovert.) |
Oxygen levels can be increased temporarily by consuming certain food and drinks. You can craft research projects for food and aid or loot them while exploring.
List of All Food and Drink Research Projects
Some traits give you an oxygen boost when certain conditions are met. However, note that traits always have a caveat to them so make sure to choose depending on your playstyle.
Oxygen levels are increased per rank of the Fitness Skill. You will have to complete rank challenges to unlock each oxygen buff.
How to Level Up and Farm Skill Points Fast
Oxygen in Starfield works similarly to stamina in Skyrim. This means your character’s O2 levels decrease when you sprint, use the combat slide, and engage in physically strenuous activities.
Oxygen is also consumed when delivering heavy punches and attacks. We recommend using your boost pack to distance yourself from enemies then switching to ballistic weapons when low on oxygen.
Oxygen System Explained
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