How to get a depth module tadpole upgrade in Subnautica 2
via polygon.com
Short excerpt below. Read at the original source.
Getting a depth module in Subnautica 2 increases your tadpole submarine‘s depth resistance and lets you explore further without having to worry about finding oxygen spots. However, you’ll reach the tadpole’s limits before you find the module, and if you’re not looking around, it’s possible to miss this essential upgrade. You’ll need some new materials […]