Can Steam Deck Run CASTILLO: Shattered Mirrors?
Steam Deck compatibility check and performance analysis
Playable: works with adjustments
Valve's official Steam Deck compatibility rating for CASTILLO: Shattered Mirrors
Spec-based estimate
On paper its GPU is 33% of the PC recommended GPU. PC specs assume 1080p; the Deck plays at 800p and Valve's test is what counts.
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 1080 or equivalent (13,650) | Below |
| CPU | Zen 2, 4c/8t (Score: ~15,000) | Pentium 4 @ 3 GHz/AMD 64 3200+ | 2.4 GHZ Quad Core Processor | — |
| RAM | 16 GB LPDDR5 | 2 GB | 4 GB | Pass |
| Storage | 64GB / 256GB / 512GB / 1TB | 1 GB | 2 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 CASTILLO: Shattered Mirrors?
Yes, CASTILLO: Shattered Mirrors 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 33% of the PC recommended GPU, but PC requirements assume 1080p and Valve tested it at the Deck's 800p.
What settings should I use for CASTILLO: Shattered Mirrors on Steam Deck?
For CASTILLO: Shattered Mirrors on Steam Deck, start from Valve's tested defaults at 800p and lower settings if the frame rate dips. On PC the game recommends a GeForce GTX 1080; the Deck's GPU is roughly a Radeon RX 560 (4,550 pts) and falls below that on paper.
Does CASTILLO: Shattered Mirrors have Steam Deck verified status?
CASTILLO: Shattered Mirrors 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.
