Subnautica
Unknown Worlds Entertainment · 23 Jan 2018
Lowest price
£25.99
The cheapest price for Subnautica is currently £25.99 at Steam, last checked 22 Sept 2026.
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
Compare Prices
Affiliate link — we earn a commission or revenue share at no extra cost to you. How we make money
| Store | Price | Link |
|---|---|---|
| Humble BundleAffiliate linkUsually a Steam key | ~£22.50ⓘ | Buy → |
| SteamBestSteam | £25.99 | Buy → |
| Epic Games StoreBestAffiliate linkEpic launcher | £25.99 | Buy → |
~ Estimated price — original is in USD, converted by us. Click through to see the actual price.
Last updated: 22 Sept 2026
FAQ
Where can I buy Subnautica cheapest?
Subnautica is cheapest at Steam for £25.99, compared across 3 stores.
Is Subnautica on sale right now?
Not currently — Subnautica is at its regular price of £25.99 at Steam.
DLC & Expansions
All 1 add-on: £7.99
Look it up elsewhere
- ProtonDB — Steam Deck & Linux
- PCGamingWiki — fixes & settings
- SteamDB — price & patch history