Subnautica is a Adventure game from Unknown Worlds Entertainment with a 97% positive Steam review signal. Indie Lantern indexes it for players browsing by weird, single-player.

Game snapshot
- Developer
- Unknown Worlds Entertainment
- Release year
- 2018
- Playtime
- Varies by player
- Price
- $7.49
- Review signal
- 97% positive
Screenshots






System requirements
PC
- Minimum
- Requires a 64-bit processor and operating system OS *: Windows Vista SP2 or newer, 64-bit Processor: Intel Haswell 2 cores / 4 threads @ 2.5Ghz or equivalent Memory: 4 GB RAM Graphics: Intel HD 4600 or equivalent – This includes most GPUs scoring greater than 950 points in the 3DMark Fire Strike benchmark DirectX: Version 11 Storage: 20 GB available space VR Support: SteamVR. Keyboard or gamepad required
- Recommended
- Requires a 64-bit processor and operating system OS *: Windows Vista SP2 or newer, 64-bit Processor: Intel Haswell 4 cores / 4 threads @ 3.2Ghz or equivalent Memory: 8 GB RAM Graphics: Nvidia GTX 550 Ti or equivalent, 2GB VRAM DirectX: Version 11 Storage: 20 GB available space
macOS
- Minimum
- OS: OS X 10.9 Mavericks Processor: Intel Haswell 2 cores / 4 threads @ 2.5Ghz or equivalent Memory: 4 GB RAM Graphics: Intel HD 4600 or equivalent Storage: 20 GB available space
- Recommended
- OS: OS X 10.9 Mavericks Processor: Intel Haswell 4 cores / 4 threads @ 3.2Ghz or equivalent Memory: 8 GB RAM Graphics: Nvidia GTX 550 Ti or equivalent, 2GB VRAM Storage: 20 GB available space
From Steam reviews
Review notes
Subnautica is worth a closer look if you want exploration, nautical, survival crafting, and strong atmosphere.
Best for players who want nautical, strong atmosphere, exploration, and survival crafting.
Check more carefully if you dislike technical roughness and unclear onboarding.
exploration
Play styleThe draw is moving through spaces, discovering details, and learning the world.
nautical
SettingWater, boats, fishing, or sea travel are important to the feel.
survival-crafting
Play styleSurvival pressure and resource gathering are part of the decision loop.
strong-atmosphere
ToneThe mood, place, and presentation carry a lot of the experience.
narrative-mystery
Play styleA useful part of the game is piecing together mystery and story threads.
base-building
Play styleBuilding a base, settlement, or colony is part of the loop.
buggy
FrictionTechnical roughness or instability comes up often enough to check.
confusing-onboarding
FrictionThe first hours can be unclear without patience or outside help.
Steam review snapshots
the bare black open ocean and distance reaper roars still instills fear.a very good and well made game lots of new biomes to explore and a bit scary if you have a fear…I know it is open world but it could have used a few more clues along the way.Overall I loved the exploration and base building mechanics.Why it fits
Best for players who want exploration, nautical themes, survival crafting, and strong atmosphere. It offers exploration, narrative mystery, and base building in a strong atmospheric setting.
Who might skip it
Skip if you dislike technical roughness or unclear onboarding.