This message popped up on startup: "Your profile can not be used because it is from a newer version of NW.js. Some features may be unavailable. Please specify a different profile directory or use a newer version of NW.js."
When I tried viewing the tutorial, the game got stuck in a loop of trying to show the tutorial image. It appears to be missing the "www" portion of the path to the image file.
The horizontal attack the player character starts with doesn't work.