Subnautica - Steam Key (EU Region)
An open world underwater survival adventure set on an alien ocean planet. Dive into a vast underwater world full of wonder and peril as you search for a way to survive. Region-locked EU Steam key variant for buyers who need regional pricing and activation clarity.
Comparing prices? See our dated, sourced game key and gift card price data for Indonesia.
Not sure what a global key, SEA key or region lock means? Read the game key and region glossary.
Related Products
Frequently Asked Questions
Yes, all keys sold at Digidang.com are 100% authentic digital keys sourced from authorized distributors. Every key is verified and guaranteed to activate successfully on Steam.
After purchase, you will receive the key instantly. Open the Steam client, navigate to "Redeem a Code" or "Activate a Product Key", enter your key, and follow the on-screen instructions. The game will be added to your library immediately.
This key is Global / Region Free and works worldwide.
Delivery is instant, your key is sent automatically to your email within minutes of payment confirmation.
If your key is invalid or already used, contact our support team within 14 days of purchase for a replacement or full refund.
This listing is intended for EU region activation. Always check your Steam account region before purchase.
Instant Delivery
Get your digital products delivered to your email within seconds of purchase.
Secure Payment
256-bit SSL encryption on all transactions
Money-Back Guarantee
Full refund if your key does not work
Verified Products
100% authentic keys from authorized sources
Activation Guide
Step-by-step guides for every platform