Jar 06 · Underwater survival · Unknown Worlds, 2018
Subnautica
You crash on an ocean planet and must survive by diving deeper and deeper. Beautiful, terrifying and full of mystery.
Edition reviewed: Subnautica (2018).
Official artwork © Unknown WorldsWhat you do
Gather resources, craft tools and submarines, build underwater bases and explore an alien ocean while uncovering what happened here.
Who it suits
Players who like survival with a story. Deep water and big creatures can be scary.
01Arrival
You climb out of your lifepod onto a calm sea. The first dive into the shallow reef is gorgeous and peaceful.
02Deeper in
The deeper you go, the stranger and more dangerous the ocean becomes. Building a base is hugely satisfying.
03Safe places to stop
Save whenever you are home. Plan each dive with a target and come back up.
Why it works
- Stunning alien ocean
- Great base building
- Gripping mystery
Watch out for
- Deep water can be very tense
- Inventory juggling
The score
Overall 4.7 out of 5 · Lush · how we score
Our verdict
A survival game with real wonder. Plan your dives, then surface.
Written by the Moss Byte desk. Updated 23 October 2026. Facts were checked against the publisher and store pages at that date; prices and platforms can change.