I’m linking https://spcr.netlify.com/search?q=Orcs Must Die! 2, since until now all reports are at least stable.

EDIT: website moved https://www.protondb.com/app/201790

The game itself doesn't crash but both me and my wife have experienced irritants during multiplayer.

Issue 1: sometimes the main game screen is black after starting a level. You can see the UI, map etc, but you cannot see where your avatar runs to

Issue 2: Sometimes I have a mouse drift diagonally to the upper left. This causes the avatar to spin uncontrollably until you kill the game

Regression: Game stop working with proton 3.16-4 Beta
steam-201790.log

The game crashed for me when I tried to play Weekly Challenge with mods activated, running the game with mods deactivated & the Weekly Challenge started without fuss.
log from game crash with mods activated steam-201790.log
log from game with mods deactivated (no crash) steam-201790.log

Game crashed right after was started. Also no mods or DLC was installed

P.S. changing steam/system/game language from Russian to English make no sense as it was for https://github.com/ValveSoftware/Proton/issues/1314

I have two issues by now:

• game goes black if window is too small (tiling wm) and I then minimize other windows, minimize the game and maximize it again (old)
• when I switch tags and give the window focus again, mouse click won’t work any longer (new)

when I switch tags and give the window focus again, mouse click won’t work any longer (new)

I originally tested with 3.7-3, this time with 3.16-4.
Now that I think about it, there were further changes, therefore I can’t tell if it’s just proton or not. I changed my gpu from Nvidia GTX 660 to Radeon RX 580 and therefore from nvidia driver to mesa/amdgpu
I will do some further testing and edit here.

Edit:
The mouse issue also appears with 3.7-8, which means I can’t tell whether it’s a regression or not.
I have to refocus the game twice for this to occur, I usually did my first refocus for fixing the black screen.
The steam overlay is affected as well. It does also occur with steam overlay disabled.
Temporary workaround: open steam overlay, refocus and close steam overlay with shortcut. After this mouse works again.
I also have different kernel and X.org versions now.
Steam System Information

Looks like working. But the mouse keep moving on the top left corner of the screen

@edward81 Do you have a gamepad connected? A faulty gamepad configuration could cause this, since the left analogue stick moves the mouse in the main menu.

@basxto no. I also tried different mouse and the drift persist. Someone on protondb has said that plugging some controller fix stop the movement. I tried plugging the steamController without luck.

I get random crashes to desktop. Only when the game is running, not so far during menu screens.
Some levels can be completed without issue but others can be difficult to pass due to crashes.

Ubuntu 18.10
Proton 3.16-4 and 4.2-1
Running on Dell XPS13 9370 notebook

I'm only getting a black screen with recent Proton versions unless I manually install native d3dx9 DLLs into the prefix. Regression?

Turns out only Proton Experimental is affected, it works with 6.3-7. I think there is an issue with Experimental for it to install d3dx9 successfully into the prefix, as it works when I let 6.3-7 create a fresh prefix and then switch to Experimental. It doesn't work when I let Experimental create a fresh prefix.

For whatever reason, PROTON_LOG=1 doesn't produce any file output.

@kisak-valve I've managed to create a log. The prefix is freshly created by Proton Experimental and the game window shows only a black screen accordingly:
steam-201790.log

Edit: System specs: https://gist.github.com/aufkrawall/da7fe4421406a7a6164bd55c084cce8d

@aufkrawall could you also upload a log of the game working correctly on 6.3-7 for comparison?

@aufkrawall I think this may be related to the cutting-edge kernel you're using. Can you try setting WINE_DISABLE_KERNEL_WRITEWATCH=1 with Proton Experimental and a fresh prefix and see if that helps?

The issue also occurs with the regular 5.14.11.arch1-1 kernel shipped by Arch. WINE_DISABLE_KERNEL_WRITEWATCH=1 does not help.

Here is a log with a fresh prefix and 6.3-7 where it successfully installs d3d9x and the game thus renders correctly:
steam-201790.log

The issue is still unchanged with Proton Experimental as of today.

@aufkrawall Could you try the 6.3-8 rc? If you go to the "Properties" window for Proton 6.3 there is a Beta drop-down option called "proton-6.3-8-rc".

It is not affected.

Had the d3d9x issue with Proton 6.3-8 on a completely different system (also Arch, but e.g. Intel IGP). Something might be potentially unreliable with the way how Proton installs/registers those files in a prefix.

It worked after doing it manually via protontricks.

I also get a black screen with only the cursor visible. The game however seems responsive (you can still click on the menu buttons although you don't see them) and there is music in the background.

There is a temporary workaround however. Installing the DirectX 9 dependencies via protontricks does resolve the issue and the game works flawlessly.

Edit:
Here's my system specs if it helps.

The issue seems to be fixed, either in Proton or some shared part like runtime/pressure vessel. At least I can't reproduce anymore with both 7.0-1 and recent Experimental.

The source of the problem for bacl screen for now is that steam for some reason does not install directx and vcredist. you can install them manually into protonprefix for that game and then game run smoothly

Good day. The game appears to be crashing as soon as its launched. I'm attaching the Proton logs. Any help is appreciated.

steam-201790.log

@kisak-valve Thanks a lot! Opting out of the Steam beta client did indeed resolve the issue.

There is no longer a lib32-nvidia-utils package but there is a beta for 535.98 so I'll give that a try.