Is Subnautica playable on Steam Deck?
Steam Deck verdict
Runs great
Yes — Subnautica runs great on the Steam Deck.
Subnautica runs great on the Steam Deck. Valve has officially marked it Steam Deck Verified. The Linux/Proton community rates it Platinum on ProtonDB across 642 reports. As a adventure game with full controller support, it's a comfortable fit for handheld play.
Game info
- Genres
- Adventure, Indie
- Developer
- Unknown Worlds Entertainment
- Publisher
- Unknown Worlds Entertainment
- Release
- January 23, 2018
- Price
- $29.99
- Metacritic
- 87
System requirements
Windows specs from Steam — the Deck runs these through Proton.
- Requires a 64-bit processor and operating system
- 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 benchmark
- DirectX: Version 11
- Storage: 20 GB available space
- VR Support: SteamVR. Keyboard or gamepad required
- Requires a 64-bit processor and operating system
- OS *: Windows Vista SP2 or newer, 64-bit
- Processor: Intel Haswell 4 cores / 4 threads @ 3.2Ghz or equivalent
- Memory: 8 GB RAM
- Graphics: Nvidia GTX 550 Ti or equivalent, 2GB VRAM
- DirectX: Version 11
- Storage: 20 GB available space
Is Subnautica compatible with Steam Deck?
Does it run?
- Valve rating
- Verified
- …on SteamOS in general
- Playable
Community rating · 642 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 performance & FPS on Steam Deck
Based on 7 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.
Battery & recommended settings
Estimated battery life
- Recommended preset
- medium
- Typical power draw
- ~15 W
💡 SteamDeckPlayable tip: System Proton version 7.0-5 Steamos version 3.4
Tips for playing Subnautica on Steam Deck
- •Default settings already run well — no major tweaks needed to play comfortably.
Frequently asked questions
›Is Subnautica playable on Steam Deck?
Subnautica <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 642 reports.
›Is Subnautica Steam Deck Verified?
Yes. Subnautica is officially Steam Deck Verified by Valve.
›How many FPS does Subnautica get on Steam Deck?
Steam Deck players most often report playing Subnautica at 40–60 fps (based on 7 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 on Steam Deck?
Steam Deck players report roughly 5h 0m at 40 fps on Subnautica (from ShareDeck community reports). Capping the framerate and TDP lower stretches it further; higher brightness shortens it.
›Can you play Subnautica on Steam Deck?
Yes. Subnautica runs on the Steam Deck straight from Steam — no manual Proton setup or config files needed.
›Can the Steam Deck run Subnautica?
Yes. Steam Deck players report running Subnautica at 40–60 fps, based on 7 community reports — that's the framerate players settle on, not the game's ceiling.
Similar adventure games on Steam Deck
Community configurations
Found a setup that works great for Subnautica on Steam Deck? Share it and help the community grow.