Can Steam Deck Run Mortal Shell II?
Steam Deck compatibility check and performance analysis
Playable: works with adjustments
Valve's official Steam Deck compatibility rating for Mortal Shell II
Spec-based estimate
On paper its GPU is 29% of the PC minimum GPU. PC specs assume 1080p; the Deck plays at 800p and Valve's test is what counts.
ProtonDB Rating
Community Linux/Deck compatibility
Performance Estimate
Based on the Steam Deck GPU (RDNA 2, about a Radeon RX 560, 4,550 pts) at its native 1280x800. Real performance depends on the game's optimization and Proton.
Spec Comparison
| Component | Steam Deck | Minimum | Recommended | Status |
|---|---|---|---|---|
| GPU | RDNA 2 (Score: 4,550) | NVIDIA GeForce RTX 2060 SUPER 8 GB or AMD Radeon RX 6600 8 GB (15,500) | — | Below |
| CPU | Zen 2, 4c/8t (Score: ~15,000) | Intel Core i7-10700K @ 3.8 GHz or better or AMD Ryzen 5 3600 @ 3.6 GHz or better | — | — |
| RAM | 16 GB LPDDR5 | 16 GB | — | Pass |
| Storage | 64GB / 256GB / 512GB / 1TB | 70 GB | — | — |
| Display | 1280x800, 7" / 7.4" OLED | — | OK | |
PC requirements are written for a desktop at 1080p or higher. The Deck renders at 1280x800, so a GPU below the PC spec on paper doesn't mean it won't run: Valve's test is the one that counts.
Frequently Asked Questions
Can Steam Deck run Mortal Shell II?
Yes, Mortal Shell II is rated Playable on Steam Deck: it runs, but may need manual tweaks such as graphics settings or the on-screen keyboard. On paper the Deck's GPU (4,550 pts) is 29% of the PC minimum GPU, but PC requirements assume 1080p and Valve tested it at the Deck's 800p.
What settings should I use for Mortal Shell II on Steam Deck?
For Mortal Shell II on Steam Deck, start from Valve's tested defaults at 800p and lower settings if the frame rate dips.
Does Mortal Shell II have Steam Deck verified status?
Mortal Shell II is marked as Playable, not Verified, on Steam Deck. It works but doesn't meet every Verified criterion, so you may need some manual adjustments.
