

Proton Experimental is giving me better performance. I have more frames. Possibly less crashes? I don't have extreme stuttering while loading new assets anymore. Proton experimental also prevents Neos (in desktop only mode) from failing to return the window back to normal from a blank screen state after switching workspaces on Gnome 43.
I rolled back the Steam client to stable. This was to resolve an issue where no launch option dialogue box was shown in the Steam beta. This is important for the Neos startup process with SteamVR.
I forgot to mention in my previous report that you will probably have to run your desktop environment on X11, not Wayland. If you tried the steps in my previous report while using Wayland you'd get a pop-up saying something like; "A critical SteamVR component is missing". Switch to Xorg to solve this. I know this doesn't have anything to do with Neos or Proton specifically, But just wanted to throw that out there in the hopes that it helps someone.
gamemoderun %command% -SkipIntroTutorial -DontAutoOpenCloudHome -screen-fullscreen 0 -LoadAssembly "Libraries\NeosModLoader.dll
In my experience, there is only one order of startup that works with SteamVR beta.
- Launch SteamVR beta with the dedicated 'Play' button. Not the 'VR' button in the top right.
- Launch Neos VR once SteamVR is working. Select 'Play Neos VR in Steam VR Mode'
- When Neos crashes. I have to also restart SteamVR to get Neos to launch in SteamVR mode again.
- I usually launch Steam through the terminal. This lets me easily kill everything when that happens.
- I use mods to improve the experience.
- Other player's voices, music and sound effects are fine.
- VideoTextureProviders have some distorted artifacts.
- AudioStreams you spawn out will come into the world as collapsed mono. This is despite routing in a 2 channel stereo signal via Pipewire.
- Loading things in lags a little more. Will likely be better on CPUs with good single core performance. This seems to be getting better over time.
- While loading said thing in, I experience a bit of fast flicker in the VR headset. I don't notice this at all anymore but it's worth mentioning for anyone slightly photosensitive.
- Normally when you open your Context Menu in Neos your cursor should snap to the center of it. It did not until I installed the LinuxFixes mod.
- There is a noticeable drop in FPS through Proton. However the gap seems to be getting smaller as Proton matures.
- The amount of crashing is no more often than on Windows.
- Some worlds are not Linux friendly.
- Video players that use Unity instead of LibVLC can crash you. The NeosVideoPlayerFix mod prevents this.
- I'm using Steam Networking Sockets. (in-game setting)
I know that most of my friends that try to get this specific config working (with Steam VR) have a lot of trouble with it on both Arch and Fedora 36. Never tried this on Debian Sid.
Good luck with it!
lagged when someone joins

Game started once, but froze when I selected an audio device. I haven't been able to start it ever since.
I tried uninstalling and deleting the residual NeosVR files and reinstalling, but it hasn't started since. It just shows a black screen and the process stops responding.

Sometimes rendering can be a little funky on some worlds. Some strange Z fighting not present on Windows and strange shader issues. Haven't had issues like this for other Unity based games. (Neos uses Unity's renderer)
I have no idea if this is a Linux problem or just a strange design decision in Neos, but it's like I always have mouse acceleration. Couldn't find any settings related to this. Haven't had this issue with other Unity based games.
I have experienced the occasional random crash but overall it seems to work fine now.
I made another report before since this was literally unplayable, but the game hasn't updated since and it just works now I guess? Tried reinstalling a second time and it works fine other than the usual graphical bugs I'm already used to. Can sometimes crash but that's just Neos being Neos.

Crashes instantly with both Native and Proton
Tried various Proton builds and it never loaded, tried Native and it loaded once but crashed when I tried changing the mic settings, and hasn't launched since. Validated files and still doesn't launch.
Proton seems to work better than native version as more features are properly working (such as video players via libVLC and visemes).
mangohud gamemoderun %command%
While having a native version is good, I don't think it receives much attention, and is stuck on OpenGL for now. Proton version seems to work all as expected. Have not yet tried VR.
Added left and right click to the triggers
Just "playing" on the platform is fine, but i wouldn't recommend trying to work there. The menus are really text heavy and hard to read with the steam deck native resolution.
Avoid visting heavy world / sessions, its gonna tank your cpu and gpu
Since Neos VR is already pretty heavy on the "normal" desktop systems, be careful with visiting session with a lot of players in it
Neos VR in its current state was never meant to be run on this type of device, so it was a nice surprise to see that the steam deck is actually able to handle this sandbox / game. You just need to be careful with the caching, since there is no automatic cleanup happening.
only on desktop, not with vr.
Occasional crashes due to video players
video players crash the game occasionally
clipboard nonfunctional

Awful crashing issues makes VR unplayable, Native isn't any better due to missing tons of features and being full of it's own bugs
Seems to be a problem with Pulseaudio and VR in general, but randomly the the game will start with horrible audio static and requires running pulseaudio -k in a terminal
Horrible, frequent crashing only in VR
Less buggy than the native version
Semi-frequent short lag spikes that don't happen with the native version
Sometimes seems to randomly crash when loading into a session.
With the native version there's more visual artifacts and some things are just completely broken (like rotating things, or mouse snapping to the middle of the context menu on open).
When running with proton those problems disappear. The crashes are infrequent enough and seem to only happen when loading into a new session, so it's not a huge issue. The lag spikes are small enough to be tolerable.
This game runs better on proton than it does native. However the desktop and copy and paste does not work on it. Dragging and drop does.

At least it loads.
Got to the local lobby. headset model was underground but the game did render properly.
Main UI was with the headset model.
Controllers did not work.
Used Proton 4.2-9 as 4.11-9 does not load at all.