Can I Run Subnautica?
Released in 2018, Subnautica is an adventure indie game built by Unknown Worlds Entertainment. It offers a single player campaign. It handles controllers properly rather than leaving the player to bind buttons by hand. Cloud saves are enabled. Alongside Windows it also ships for macOS. Being 8 years old, it was built for the hardware of its day, so a current machine usually has headroom over the published figures. 27 languages are covered by the store listing. With more than 338 thousand player reviews on Steam, its behaviour on real hardware is well documented. Critics scored it 87 on Metacritic. Completionists have 17 achievements to work through.
Can your PC run it? →System requirements
Minimum requirements
| CPU | Intel Haswell 2 cores / 4 threads @ 2.5Ghz or equivalent |
|---|---|
| GPU | Intel HD 4600 or equivalent - This includes most GPUs scoring greater than 950 points in the 3DMark Fire Strike benchmark |
| RAM | 4 GB |
| Storage | 20 GB |
| OS | Windows Vista SP2 or newer, 64-bit |
| DirectX | 11 |
Recommended requirements
| CPU | Intel Haswell 4 cores / 4 threads @ 3.2Ghz or equivalent |
|---|---|
| GPU | Nvidia GTX 550 Ti or equivalent, 2GB VRAM |
| VRAM | 2 GB |
| RAM | 8 GB |
| Storage | 20 GB |
| OS | Windows Vista SP2 or newer, 64-bit |
| DirectX | 11 |
Verified from Steam · 9 Jul 2026 source
Scores are deterministic, computed by fixed rules and benchmark tables, not written by an AI. How we score. Maintained by Farhad Ali. Spotted a wrong specification? Tell us.
Setting and environment
Players spend their time in a horror setting, moving through hostile territory. It is played from a first person view. There are 10 official screenshots to judge the look from.
Why Subnautica is demanding
Subnautica needs only 2 GB of video memory. At 8 GB, system memory is undemanding. Subnautica needs 64 bit Windows. Disk footprint is light, near 20 GB.
This reading comes from the published requirements and our own benchmark tables, not from the store listing.
Can you run Subnautica?
Subnautica targets a mainstream modern PC: Intel HD 4600 or equivalent - This includes most GPUs scoring greater than 950 points in the 3DMark Fire Strike benchmark and 4 GB of RAM for the minimum, stepping up to Nvidia GTX 550 Ti or equivalent, 2GB VRAM for the recommended experience. No single part dominates the requirements, so a balanced mid-range build clears it.
Bottleneck: CPU
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Marvel's Spider-Man RemasteredFrequently asked questions
Can my PC run Subnautica?
Upload your DxDiag file to Idxdiag's free checker and get a component by component compatibility verdict for Subnautica in seconds. No install required.
What are the minimum system requirements for Subnautica?
The minimum requirements are CPU: Intel Haswell 2 cores / 4 threads @ 2.5Ghz or equivalent; GPU: Intel HD 4600 or equivalent - This includes most GPUs scoring greater than 950 points in the 3DMark Fire Strike benchmark; 4 GB RAM; OS: Windows Vista SP2 or newer, 64-bit.
How much storage does Subnautica need?
Subnautica needs about 20 GB of available storage.
What is the bottleneck for Subnautica?
On a typical modern PC (Ryzen 5 5600, RTX 3060, 16 GB RAM), the tightest component for Subnautica is the CPU.