I like the Github description: 'Isometric minimal-code style game at html5 canvas and javascript'. I guess Diablo is being used as a shorthand for that.
* When I watched the intro video it didn't quite fit in the fancy box (required a scrollbar). Given the size of the video, this seems unnecessary. (Chrome on Macbook Pro)
* I'm sorry if this sounds harsh but I wouldn't consider using this product unless it could sync with Google Calendar or give me some way to import (and export if necessary) my existing events.