This article contains unmarked spoilers. Players new to the game would want to avoid or be cautious toward this article.
Achievements are a feature of Subnautica. There are a total of 17 Achievements to obtain, which range from three difficulties to earn. Achievements that are relatively easy to obtain are listed in green, medium difficulty Achievements are listed in yellow, and Achievements that are harder to obtain are listed in red.
If the console is opened and/or Debug Console Commands are used, Achievements will be disabled and can not be earned in the world from then on. The only way to counter this is to create a new world.
Getting Your Feet Wet
Dive for the very first time
How to obtain:
The easiest Achievement to earn, one must simply exit Lifepod 5 via the bottom hatch or jump into the water via the top hatch.