If you start the game with the following launch option, does it help?
DXVK_CONFIG="d3d9.deviceLossOnFocusLoss = True" %command%
Does not sadly.
Popped in to say that with Nvidia and X11, I get the "small window in the top left corner" behavior, while my desktop covers the rest of the screen. But yes, there's definitely some swapchain shenanigans going on here.
For what it's worth, OpenGL doesn't allow me to alt+tab at all.
If the game is not set to windowed and you alt tab, the screen will go black and remain that way.
Software information
Worms Armageddon (217200) running fullscreen.
The first time the game is started, it will detect wine and ask if it should enable the window mode hack for compatibility reasons, if you click "yes" you can go to the settings to disable it.
System information
Apitrace file(s)
Traces from blisto who also reproduced the issue in his setup https://mega.nz/file/lvkkTQoR#oqQcqxrO1-GV9bicGeARragIjE8zk52NLa-yDfmG2xM
The archive contains a dxvk and wined3d trace as the latter doesn't have the blackscreen issue.
Log files
steam-217200.log