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I'm having a similar problem on Windows (10). The game starts in both fullscreen and windowed, the opening title plays and then a pause, the screen is black except for a tiny white/gray smudge in the middle of the screen and I can't move or do anything else. The mouse cursor is on screen the whole time.

I'm on a laptop 1600x900 res (scaling down doesn't change anything). None of your other games (and I've played most of them) have offered me any problems (except frame rate sometimes).