Is Subnautica: Below Zero playable on Steam Deck?
Steam Deck verdict
Runs great
Yes — Subnautica: Below Zero runs great on the Steam Deck.
Subnautica: Below Zero runs great on the Steam Deck. Valve has officially marked it Steam Deck Verified. The Linux/Proton community rates it Platinum on ProtonDB across 192 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
- May 13, 2021
- Price
- $29.99
- Metacritic
- —
System requirements
Windows specs from Steam — the Deck runs these through Proton.
- Requires a 64-bit processor and operating system
- OS *: Windows 7 64-bit
- Processor: Intel Core i3 4XXX series / AMD Ryzen 3 2.6ghz+
- Memory: 8 GB RAM
- Graphics: Intel HD 530 or better
- DirectX: Version 11
- Storage: 15 GB available space
- Requires a 64-bit processor and operating system
- OS: Windows 10 64-bit
- Processor: Intel Core i5 4XXX series/ AMD Ryzen 5 @ 3Ghz +
- Memory: 8 GB RAM
- Graphics: Nvidia 1050 Ti / AMD Radeon 570, 4GB VRAM
- DirectX: Version 11
- Storage: 15 GB available space
Is Subnautica: Below Zero compatible with Steam Deck?
Does it run?
- Valve rating
- Verified
- …on SteamOS in general
- Playable
Community rating · 192 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: Below Zero performance & FPS on Steam Deck
Based on 1 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
- ~25 W
💡 SteamDeckPlayable tip: System Proton version GE 7-20 Steamos version 3.2 Bios version F7A0105
Tips for playing Subnautica: Below Zero on Steam Deck
- •Default settings already run well — no major tweaks needed to play comfortably.
Frequently asked questions
›Is Subnautica: Below Zero playable on Steam Deck?
Subnautica: Below Zero <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 192 reports.
›Is Subnautica: Below Zero Steam Deck Verified?
Yes. Subnautica: Below Zero is officially Steam Deck Verified by Valve.
›How many FPS does Subnautica: Below Zero get on Steam Deck?
Steam Deck players most often report playing Subnautica: Below Zero at ~40 fps (based on 1 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: Below Zero on Steam Deck?
Steam Deck players report roughly 2h 0m at 40 fps on Subnautica: Below Zero (from ShareDeck community reports). Capping the framerate and TDP lower stretches it further; higher brightness shortens it.
›Can you play Subnautica: Below Zero on Steam Deck?
Yes. Subnautica: Below Zero runs on the Steam Deck straight from Steam — no manual Proton setup or config files needed.
›Can the Steam Deck run Subnautica: Below Zero?
Yes. Steam Deck players report running Subnautica: Below Zero at ~40 fps, based on 1 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: Below Zero on Steam Deck? Share it and help the community grow.