I'm going to try disabling the Steam overlay now, but I was experiencing the following issues, should it be of any use to anyone (or if disabling doesn't fix it for li'l ol' me)
-clicks would seem to register visually (the confirm button would be indented as it does when you click) but I'd need to click again to actually register it
-usually after a bit of time playing, clicks won't register in menus; couldn't click to save, quit, etc and had to alt+tab and close each time
-keyboard input in menus is also iffy; I don't recall having any trouble with character creation (nor the creation of 8 adventurers), nor any keyboard shortcuts, but when typing a name for a save, a letter will be skipped here and there. I thought I was typing too fast, but it didn't matter if I typed more deliberately.
I'm playing in English. I have a single monitor, but it's an ultrawide (2560x1080).
