Subnautica 2 launched into Early Access on May 14, 2026, and with it came a limited-time Bilibili livestream code and a Gamersky giveaway. Here's everything you need to know about active codes and how to redeem them.
Active Codes (May 2026)
There is currently one active code for Subnautica 2 from the official Bilibili launch livestream. A Gamersky Steam key giveaway also ran through May 21, 2026, though individual keys may be exhausted.
| Code | Reward | Expires | Source |
|---|---|---|---|
| Bilibili Livestream Code | Seamoth Decoration (海蛾号装饰品) | July 1, 2026 | Bilibili |
How to Redeem Codes in Subnautica 2
Redeeming codes in Subnautica 2 is straightforward once you know where to look. Follow these steps:
Bilibili Livestream Code Details
The Bilibili code was distributed during the Subnautica 2 launch livestream on May 9, 2026. It unlocks a cosmetic Seamoth Decoration (海蛾号装饰品) for your vehicle.
| Detail | Information |
|---|---|
| Event | Subnautica 2 Launch Livestream |
| Platform | Bilibili |
| Reward | Seamoth Decoration (海蛾号装饰品) |
| Code Expiry | July 1, 2026 at 14:59 Beijing time |
| How to Get | Visit the Bilibili "Deep Sea Exploration Plan" event page |
If you missed the livestream, check the Bilibili event page to see if codes are still being distributed. The code itself, once obtained, can be redeemed in-game until the July 1 deadline.
Gamersky Giveaway Info
The Chinese gaming site Gamersky hosted a Steam key giveaway for Subnautica 2 starting May 14, 2026. The giveaway was originally set to run through May 21, 2026, though key availability may have been limited.
FAQ
Are there active codes for Subnautica 2?
Yes. The Bilibili livestream Seamoth Decoration code is active until July 1, 2026. Gamersky also ran a Steam key giveaway through May 21, 2026.
How do I redeem codes in Subnautica 2?
Go to Settings → DEBUG/INFO → Code Redemption. Enter your 16-character code (case-sensitive), confirm, and restart the game.
What does the Bilibili code unlock?
It unlocks a Seamoth Decoration cosmetic item (海蛾号装饰品), a visual customization for your vehicle.
How long is the Subnautica 2 Bilibili code valid?
Until July 1, 2026 at 14:59 Beijing time.
Can I still get the Bilibili code if I missed the livestream?
If you missed the livestream, check the Bilibili "Deep Sea Exploration Plan" page to see if the event is still active. The code redemption in-game is valid until July 1, 2026.
Will there be more Subnautica 2 codes in the future?
Unknown Worlds Entertainment may release additional codes for future events, milestones, or holidays. Bookmark this page — we'll update it as new codes become available.