Follow this Subnautica 2 guide to learn how to craft the High Capacity Air Tank and Rebreather to increase your Oxygen supply ...

If you want to have more oxygen underwater in Subnautica 2, you'll have to upgrade your Air Tank by getting its recipe at ...

The limited oxygen supply in Subnautica 2 can hold you back from exploring the depths of the ocean. Having to resurface every ...

GameSpot may receive revenue from affiliate and advertising partnerships for sharing this content and from purchases through links. Do you want to increase your maximum oxygen in Subnautica 2? If ...