I am not sure what happened, but when I started the game I can go through the intro where you have a few arts, and then it is pitch black. I retried three times. It consistently ends in a black screen after the intro.
Was on the web version (WebGL) right? We do our best to make the game compatible, but WebGL has some embedded video problems. We tested on Chrome and Firefox and it works OK, but it takes more than usual because is not optimized for WebGL.