Can Steam Deck Run Subnautica 2?
Steam Deck compatibility check and performance analysis
Unknown — Not yet tested by Valve
Valve's official Steam Deck compatibility rating for Subnautica 2
Performance Grade
Cannot run on Steam Deck
ProtonDB Rating
Community Linux/Deck compatibility
Performance Estimate
Based on Steam Deck GPU (RDNA 2, ~3800 score) at native 1280x800 resolution. Actual performance may vary based on game optimization and Proton compatibility.
Spec Comparison
| Component | Steam Deck | Minimum | Recommended | Status |
|---|---|---|---|---|
| GPU | RDNA 2 (Score: 3,800) | GeForce GTX 1660 6GB / RX 5500 XT 6GB (12,450) | Geforce RTX 3070 8GB / RX 6700 XT 8GB (22,430) | Fail |
| CPU | Zen 2, 4c/8t (Score: ~15,000) | Intel Core i5-8400 / AMD Ryzen 5 2600 | Intel Core i7-13700 / AMD Ryzen 7 7700X | — |
| RAM | 16 GB LPDDR5 | 12 GB | 16 GB | Pass |
| Storage | 64GB / 256GB / 512GB / 1TB | 50 GB | 50 GB | — |
| Display | 1280x800, 7" / 7.4" OLED | — | OK | |
Frequently Asked Questions
Can Steam Deck run Subnautica 2?
Subnautica 2 has not been officially tested on Steam Deck by Valve. Based on hardware specs alone, our grade is F (cannot run on steam deck). ProtonDB rates it as "platinum".
What settings should I use for Subnautica 2 on Steam Deck?
For Subnautica 2 on Steam Deck, we recommend unplayable — does not meet minimum requirements. The game recommends Geforce RTX 3070 8GB, and Steam Deck's GPU (RDNA 2, ~GTX 1050 Ti equivalent) falls below that requirement. Start at medium settings and adjust based on frame rate.
Does Subnautica 2 have Steam Deck verified status?
Subnautica 2 has not received a Steam Deck verification status from Valve yet. Its compatibility is unknown and may change as Valve continues testing.