Is Subnautica 2 playable on Steam Deck?
Steam Deck verdict
Runs great
Yes — Subnautica 2 runs great on the Steam Deck.
Subnautica 2 runs great on the Steam Deck. Valve has officially marked it Steam Deck Verified. The Linux/Proton community rates it Platinum on ProtonDB across 454 reports. As a action game with full controller support, it's a comfortable fit for handheld play.
Game info
- Genres
- Action, Adventure, Early Access
- Developer
- Unknown Worlds Entertainment
- Publisher
- Unknown Worlds Entertainment
- Release
- May 14, 2026
- Price
- $29.99
- Metacritic
- —
System requirements
Windows specs from Steam — the Deck runs these through Proton.
- OS: Windows 10/11
- Processor: Intel Core i5-8400 / AMD Ryzen 5 2600
- Memory: 12 GB RAM
- Graphics: GeForce GTX 1660 6GB / RX 5500 XT 6GB
- DirectX: Version 12
- Network: Broadband Internet connection
- Storage: 50 GB available space
- Additional Notes: Requires a 64-bit processor and operating system
- OS: Windows 11
- Processor: Intel Core i7-13700 / AMD Ryzen 7 7700X
- Memory: 16 GB RAM
- Graphics: Geforce RTX 3070 8GB / RX 6700 XT 8GB
- DirectX: Version 12
- Network: Broadband Internet connection
- Storage: 50 GB available space
- Additional Notes: Requires a 64-bit processor and operating system
Is Subnautica 2 compatible with Steam Deck?
Does it run?
- Valve rating
- Verified
- …on SteamOS in general
- Playable
Community rating · 454 reports (ProtonDB)
Does it run well?
Runs well with the default settings.
- ✓Full controller support out of the box
- ✓Controller glyphs match the Deck
- ✓Interface text is legible
- ✓Good performance with default settings
- ✓External controllers not supported for the main player
Subnautica 2 performance & FPS on Steam Deck
Based on 4 Steam Deck community reports. These are the framerates players actually settle on — many cap it to save battery — not the game's maximum. Runs well with the default settings.
Tips for playing Subnautica 2 on Steam Deck
- •Default settings already run well — no major tweaks needed to play comfortably.
Frequently asked questions
›Is Subnautica 2 playable on Steam Deck?
Subnautica 2 <strong>runs great</strong> on the Steam Deck. Valve has officially marked it <strong>Steam Deck Verified</strong>. The Linux/Proton community rates it <strong>Platinum</strong> on ProtonDB across 454 reports.
›Is Subnautica 2 Steam Deck Verified?
Yes. Subnautica 2 is officially Steam Deck Verified by Valve.
›How many FPS does Subnautica 2 get on Steam Deck?
Steam Deck players most often report playing Subnautica 2 at 30–60 fps (based on 4 community reports). These are usually the framerate players settle on — many cap it to save battery — not the game's maximum.
›How long does the battery last playing Subnautica 2 on Steam Deck?
Battery life isn't fixed — it depends on your brightness, TDP cap and framerate target, typically landing anywhere from 2 to 6 hours on the Steam Deck. We don't have a measured figure for Subnautica 2 specifically.
›Can you play Subnautica 2 multiplayer on Steam Deck?
Yes — Subnautica 2 has no Deck-blocking anti-cheat reported, so its online and multiplayer modes should work like on any PC.
›Can you play Subnautica 2 on Steam Deck?
Yes. Subnautica 2 runs on the Steam Deck straight from Steam — no manual Proton setup or config files needed.
›Can the Steam Deck run Subnautica 2?
Yes. Steam Deck players report running Subnautica 2 at 30–60 fps, based on 4 community reports — that's the framerate players settle on, not the game's ceiling.
Similar action games on Steam Deck
Community configurations
Found a setup that works great for Subnautica 2 on Steam Deck? Share it and help the community grow.