Subnautica Steam Key lets you activate Subnautica in your own Steam library and play it on PC. You receive an official key by email and redeem it in the Steam client in under a minute.

About Subnautica
Subnautica is an Adventure, Indie game by Unknown Worlds Entertainment, released on Steam on Jan 23, 2018. You can play it in Single-player mode. Critics rate it 87 on Metacritic. Once activated, the game stays in your Steam library permanently, with automatic updates and cloud saves where supported.
What you get with Subnautica Steam Key
- Genre: Adventure, Indie
- Developer: Unknown Worlds Entertainment
- Released: Jan 23, 2018
- Platform: Steam (Windows PC)
Subnautica game details
| Developer | Unknown Worlds Entertainment |
|---|---|
| Publisher | Unknown Worlds Entertainment |
| Release date | Jan 23, 2018 |
| Genres | Adventure, Indie |
| Modes | Single-player |
| Steam Deck / OS | Windows, Mac |
| Metacritic | 87 |
Minimum PC requirements
- 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 benchmar
- DirectX: Version 11
- Storage: 20 GB available space
Steam features
- Steam Achievements
- Full controller support
- Steam Trading Cards
- Steam Cloud
- Family Sharing
Why buy Subnautica Steam Key from VirtGold
- Secure checkout - encrypted payment with trusted gateways.
- Official products only - no shared accounts, no cracked keys.
- Fair refund policy - replacement or refund if activation fails.
- Order tracking - see every order and code in your account.
How Subnautica Steam Key delivery works
- Complete checkout.
- Receive your Steam key by email.
- Open Steam → Games → Activate a Product on Steam, then download.
Most orders are delivered within minutes; some are checked manually first to protect you, which can take a little longer. You can follow every order from your account page.
Is this Subnautica Steam Key official?
Yes. VirtGold sells official Unknown Worlds Entertainment products only - no shared accounts and no cracked keys. You can compare features and terms on the official Steam store page. Prices include a small service fee for fast delivery and support.
Looking for more? Browse all Steam Keys or see the full VirtGold store.
Frequently asked questions
Is the Subnautica Steam Key region free?
The key region is shown on this page and in your order. It must match your Steam account region, so message us before buying if you are unsure.
How do I activate it?
Steam → Games → Activate a Product on Steam → enter the key.
Is it the full game?
Yes, it is the full base game licence in your Steam library.







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