Updated 2026-08-23Report a correction

Platform · Steam Deck

Moonlight Peaks on Steam Deck

Valve has not published a Steam Deck compatibility rating for Moonlight Peaks as of the 2026-08-23 recheck. The Steam store page shows no Steam Deck Compatibility section, and the appdetails API returns no steam_deck field — the game has been out since July 7, 2026, so this is not a pre-launch gap. We are not claiming Verified, Playable, or any other rating until Valve publishes one.

  • Deck rating pending
  • Steam demo available
  • Specs listed
  • Full controller support
  • No Valve rating post-launch
  • Updated 2026-08-23

Deck status board

Valve has not published a Steam Deck compatibility rating for Moonlight Peaks as of the 2026-08-23 recheck. The store page shows no Deck Compatibility section — we are not claiming Verified, Playable, or any other rating until Valve publishes one.

  • Official Deck rating

    Unknown

    Valve has not published a Steam Deck compatibility rating for Moonlight Peaks as of the 2026-08-23 recheck. The Steam store page still shows no Steam Deck Compatibility section, and the appdetails API returns no steam_deck field — the game has been out since its July 7, 2026 launch, so this is not a pre-launch gap. We will add the official rating here as soon as Valve publishes one.

  • Steam demo

    Available

    Use the full game (or demo) as a personal self-test on Deck — no official Deck rating exists yet to confirm compatibility.

  • Specs baseline

    Listed

    Steam minimum requirements are a reference point — they do not substitute for a Valve Deck rating that remains unpublished as of the 2026-08-23 recheck.

  • Input support

    Full controller support

    Steam lists Full Controller Support with Xbox and PlayStation controllers. Deck-specific icon behavior is not confirmed without a Valve rating.

Valve verification checks — none published

Valve has not published Steam Deck verification checks for Moonlight Peaks. The Steam store page (accessed 2026-08-23) shows no Steam Deck Compatibility section. We will add the official checks here once Valve publishes a rating.

What you can check today

Valve has not yet published a Deck rating — here are the official store links and hub pages to check for yourself, plus a demo self-test path.

  1. Open Steam page →

    Install the game or demo from the official listing — check the store page for a Deck section.

  2. Check system requirements →

    Full Windows and macOS tables copied from Steam — a reference, not a Deck substitute.

  3. Read controller notes →

    Full Controller Support with Xbox and PlayStation controllers is confirmed — Deck-native icons await a Valve rating.

  4. Demo walkthrough →

    What the demo includes and what save transfer is not confirmed.

  5. Steam main page →

    Canonical Steam platform route — demo, wishlist, and launch status.

Compatibility matrix

What is confirmed from Steam store tags vs items we do not claim without a Valve Deck rating.

Confirmed

  • Steam lists Full Controller Support with Xbox and PlayStation controllers.
  • Steam Cloud feature tag on the store (PC account sync only).
  • Steam Achievements and Single-player feature tags on the store.
  • Steam demo is available and can be installed on Deck as a personal self-test.

Not confirmed

  • Valve Steam Deck compatibility rating — not published as of the 2026-08-23 recheck.
  • Deck-native FPS, frame-pacing, or performance benchmarks.
  • Battery life or playtime estimates.
  • Exact resolution or graphics settings guidance for Deck.
  • Deck controller icon behavior without a Valve rating.
  • Demo save transfer to retail.
  • Cross-save with Switch or Android.
  • Steam Input profile or best button layout beyond defaults.

Specs vs Deck baseline

Steam minimum requirements are the comparison point. Valve has not yet published a Deck rating — these specs are a reference, not a substitute for the official badge.

  • Windows minimum

    Windows 10 64-bit · Intel i3 · 6 GB RAM · Nvidia GTX 660 2GB · 8 GB storage

  • Windows recommended

    Windows 10 64-bit · Intel i7 / Ryzen 1700+ · 16 GB RAM · Nvidia GTX 960+ · 8 GB storage

  • macOS (not Deck-relevant)

    Steam lists macOS tiers — useful for Mac players, not for Deck hardware comparison.

Full system requirements →

Controller & input notes

  • Steam lists Full Controller Support with Xbox and PlayStation controllers — the developers recommend playing with a controller.
  • Deck-specific controller behavior (native icons, default config accessibility) is not confirmed without a Valve rating.
  • Rebinding tables and Steam Input profiles will be added after retail launch for advanced users.

Controller support page →

Demo self-test plan

These are self-check steps, not official performance benchmarks.

  1. Install the Steam demo from the official store listing.

  2. Run the character creator and confirm UI text scale.

  3. Play through the first-night loop and note frame pacing yourself.

  4. Check controller prompts — note whether Deck controller icons appear.

  5. Note sleep/resume behavior and battery drain during your session.

Demo guide · Steam main page

Reference links

References · Steam store page · Steam Deck Compatibility (pending rating) · Steam news & announcements

Stronger starting point: Handheld compatibility tracks the Steam demo route. Open Steam page →

Keep exploring

Steam Deck FAQ

Is Moonlight Peaks Steam Deck Verified?

Not yet — Valve has not published a Steam Deck compatibility rating as of the 2026-08-23 recheck. The Steam store page shows no Steam Deck Compatibility section, and the appdetails API returns no steam_deck field even though the game launched July 7, 2026. Steam store

Can I play the Steam demo on Deck?

Yes — the Steam demo can be installed on Deck as a personal self-test. No official Deck rating exists yet, so treat demo performance as your own observation, not a Valve-verified claim. Demo guide

Does it support controller on Deck?

Steam lists Full Controller Support with Xbox and PlayStation controllers. Deck-specific icon behavior is not confirmed without a Valve rating — see controller support page for store tags. Controller support

What settings should I use on Steam Deck?

No official guidance exists — Valve has not published a Deck rating as of the 2026-08-23 recheck. The full game is out now, so you can test default settings on your own Deck; we will add official tuning notes once a rating is published. Steam main page

Does Steam Cloud work on Deck?

Steam lists Steam Cloud as a feature tag — saves sync within your Steam account on supported PC builds. We do not claim cross-platform sync with Switch or Android. Cross-platform notes

Will demo saves transfer to the full game?

Not confirmed — treat demo progress as trial-only until official guidance changes. Demo guide

Can I compare the specs to Steam Deck hardware?

Steam minimum requirements are a reference point, but they do not substitute for a Valve Deck rating that is still unpublished as of the 2026-08-23 recheck. Use them as a rough comparison only. System requirements

When will this page update?

This page reflects the T1 recheck as of 2026-08-23 — no Valve Deck rating exists even after launch. We will refresh the moment Valve publishes an official rating. Updates

Is battery life known for Moonlight Peaks on Deck?

No official battery benchmark is published. Without a Valve Deck rating, any drain you observe during the demo is personal testing only — not an official estimate.

Should I buy on Switch instead of Steam Deck?

Both are handheld options. Steam Deck gives you the PC version with Full Controller Support; a Valve Deck rating is still unpublished as of the 2026-08-23 recheck. Nintendo Switch and Switch 2 are the official Nintendo handheld routes with confirmed native support. Nintendo Switch

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