


looking in the direction of some areas causes the game to drop frames

Occasional crackling, fixed by restarting the game.
Tiny FPS dips on loading locations.
Works perfectly (and very good game).

- Set refresh rate to 45 Hz
- Set TDP to 11
Your turning speed seems to be tied to the frame rate. See my notes on performance problems for an explanation and solution.
The performance on Steam Deck is pretty bad, and the frame rate is really unstable. This makes for an awful user experience when you first start the game, before making any performance tweaks.
Worst of all, your turning speed (right stick) seems to be tied to the frame rate in a way I've never experienced before (I'm not sure if this is standard or not). The higher the frame rate, the faster your turning speed, and vice-versa. This means if you set your turning speed for your maximum frame rate, it will slow to a crawl when the frame rate drops, and make the performance feel even worse than it already is.
To avoid this, set a low refresh rate like 45 Hz, and then set your turning speed accordingly. This helps stabilise the frame rate and avoids it swinging between extremes. It also makes the game feel much smoother.
I don't think this issue is specific to Steam Deck or Linux, but some UI elements are difficult or impossible to access with a gamepad.
For example:
- When sleeping and selecting the time of day to wake, the left and right buttons don't skip over the current time of day.
- On the world map screen, location names can only be viewed by hovering the mouse cursor over them.
To work around this, consider binding the right trackpad to mouse input, or use the Steam button shortcut.
I thoroughly enjoyed this game, despite significant performance problems. Luckily, they're easy to work around. The developer has stated they're working on performance improvements for Steam Deck, so hopefully this will get better with time.
Dread Delusion on Linux using just Proton runs like a native game, no issues, no hurdles.
works like a charm

works right out of the box
Used a Xbox One Controller via usb and everything seemed fine.

23-40 fps depending on scene complexity with dips even lower.
Past reports indicate this ran beautifully, but a recent-ish patch destroyed performance. According to comments on the discussion forum, developer is aware of poor performance and investigating, however until this is resolved I consider it entirely unplayable.

Overall still a solid and playable experience, the performance is just oddly low given the fidelity and nature of the graphics.
The font choice is a little hard to read on the deck screen.
Was able to play up to 45fps locked, Some areas can hit 60fps but only when looking in specific directions away from more complex landscapes.

Performance issues make this game a hard sell on steam deck, utilise the 2 hour refund window at your discretion
Set L4 to jump
Game uses a custom italic font which is difficult to read on the steam decks screen
Performance is very bad on steam deck in the tutorial area and likely only to get worse, you will experience as low as 32fps in the tutorial area and based on other reports it can go below this, no setting can be changed to fix this
I've just launched the game with standard Porton 9 and it just worked.

Using Proton 9 the cutscenes would stutter and skip constantly. Changing to Experimental seems to work around the issues.
Routinely drops to ~20 FPS.
gamemoderun PROTON_NO_ESYNC=1 PROTON_NO_FSYNC=1 WINEESYNC=0 %command%
Without the launch options the game stuttered a lot and wasn't very playable

6.20-GE-1 GloriousEggroll