ANOMALITH Steam Deck Performance Status

There is no measured Steam Deck performance figure for ANOMALITH to quote as of 2026-10-22. Valve has not issued a Deck rating for the game, ProtonDB has nothing filed for it, and the full release is still days away (the official Steam page gives Oct 28, 2026). The only build the public can actually run on a Deck right now is the demo, which is downloadable from that same page.

That makes this a "what can you check today" answer rather than a benchmark: a compatibility row that has not been filled in, one creator video that shows the settings exist but reports no frame rate, and a handful of store facts that matter for handheld play.

Deck-relevant facts on 2026-10-22

"Unknown" on the store page means Valve has not published a rating for this title — it is not the same as "Unsupported", and it can change once the shipping build is reviewed. The ProtonDB page is a similar blank: with no submitted reports, there is no aggregated Proton experience for anyone to summarise.

Why nobody can quote a frame rate yet

Three things are missing at once. The retail build is unreleased, the compatibility programme has not rated it, and Linux/Proton players have not logged results. The demo is the only thing that has been in public hands, and the patch notes published on the Steam page for the demo (2026-09-29 and 2026-10-07) deal with mouse support in menus, key-binding options, mouse sensitivity, a new Survival difficulty, healing shortcuts and bug fixes — they say nothing about handheld-specific work. That is a statement about what those notes cover, not a claim about what the studio is or is not doing internally.

The demo has also been through Steam Next Fest in October 2026, which the developer announced on the Steam community hub as its last pre-release event. If you want first-hand numbers, the demo is where they will come from.

What the Deck gameplay video actually shows

A YouTube upload titled as an ANOMALITH Steam Deck performance check (watch it here) is the only video material tied to this question. It is a demo session, and it is weaker evidence than its title suggests:

• The creator opens a graphics menu and mentions switching to a performance mode, then shows a custom preset with low and medium steps and a Vsync toggle.
• The run covers an Anomaly Zone, including a portal that sends collected items back to the base — the extraction loop the store page describes.
• The commentary misnames the game and its publisher, and no frame counter or measured result is stated anywhere in it.

So treat the clip as proof that a graphics preset with performance-oriented options exists in the demo build, not as a performance verdict. Nothing in it establishes a stable frame rate, a battery figure, or how the final build behaves.

The developer's hardware targets

These are the Windows PC specifications from the store page. They are a baseline for desktop machines, not a Deck rating — a Deck is a fixed piece of hardware and no one has published how it maps onto these numbers.

The 40 GB figure is the one number worth planning around on a Deck: it is a large install for the internal drive, and the store page does not break out whether the demo is smaller.

Controls, text and reading on a small screen

The store page lists full controller support and names Xbox controllers and DualSense pads (USB connection only). Deck play is controller-driven, so that line is the relevant one for handheld input; nothing on the page describes a touch layout or a Deck-specific control scheme.

Readability features matter more than usual on a 7-inch panel, and the accessibility section does list adjustable text size, subtitle options, custom volume controls and adjustable difficulty. According to the rival fan wiki at anomalith-wiki.wiki, there is also an adjustable field of view; the accessibility list visible on the official store page covers text size, subtitles, volume and difficulty, so treat the FOV line as a community report rather than something to plan around.

What you can do with the demo today

These are suggestions, not tested results — no one has published a measured Deck run.

1. Install the demo from the Steam page and play the opening zone, which is the most combat-dense part most players will see first.
2. Judge it on the parts that stress the frame budget: a firefight with several Anomalies on screen, and a busy corridor with effects running.
3. If the picture feels heavy, look for the graphics preset the video shows and step the individual sliders down rather than chasing a single "low" button.
4. After you have an impression, file it on the ProtonDB page. With the report list empty, one honest entry is more useful than any second-hand summary, including this one.
5. Check the store page's compatibility row again after launch — that is the label Valve updates, and it is the only place a rating will appear.

One demo caveat worth knowing before you invest time: a thread on the Steam community hub complains that demo saves do not carry into the full game, and another player reports frame drops and a cursor glitch when playing with mouse and keyboard. The save complaint is a player report rather than an official statement, but it is a reason to treat the demo as a test drive rather than a head start.

Store items that have nothing to do with Deck performance

The rest of the listing is purchase detail, and none of it changes between a desktop and a handheld. The early purchase bonus runs October 29 to November 11, 2026 (JST): a Lost Property Control Organization side mission, "Contradictory Otherworld Response", taken from the board in the Workshop once side missions unlock; a collaboration costume set and the "T-6407J" probe skin, claimed from that same board after the mission is cleared; and a consumable kit of 2 Linked Tiles, 2 Advanced Surreal Firearm Parts and 2 Warning Pagers, granted once the Shooting Range opens. The Digital Deluxe set adds an 80-page art book, a mini-soundtrack, the "Armed Schoolgirl" outfit triple combo, three weapons (semi-automatic sniper rifle, double-barrelled shotgun, prototype handgun) and an item pack.

FAQ

What is ANOMALITH Steam Deck performance like?

Unknown as of 2026-10-22. The store page has not been given a Deck rating, ProtonDB has no reports, and the game is unreleased, so no frame rate or battery figure has been published. The demo is the only build you can test.

Is ANOMALITH Steam Deck Verified?

No rating has been issued. The compatibility row on the official Steam page reads Unknown on 2026-10-22, which records an absent rating rather than a failed one.

Can I test ANOMALITH on a Steam Deck before release?

Yes — a demo is available from the Steam page and was part of Steam Next Fest in October 2026. It is a pre-release build, and a community thread notes that demo progress does not transfer to the full game.

How much space does ANOMALITH need on a Deck?

The requirements on the store page list 40 GB of available storage for both the minimum and recommended tiers. That figure is from the Windows specification and has not been restated for the Deck build.