Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica. Summary: IGDB
Mind Score
Fair to the playerAge · PEGI 12
Respect
90
Nourish
56
Stimulation
moderate
Has an endingStop anytime
What it exercises
Exploration and curiosity
- Steam tag “Exploration” (905 votes)
- 17 of 100 reviews mention exploration
Creativity
- Steam tag “Base-Building” (845 votes)
- Steam tag “Crafting” (671 votes)
Story and reading
- Steam tag “Story Rich” (558 votes)
- 38 of 100 reviews mention the story
High confidence · 27 Sept 2026 · Rules-based estimate from the Steam store, player reviews and PEGI/ESRB descriptors. Not a substitute for the official rating or your own judgement. Tap a label to see the evidence.