I constantly get a bug where the screen goes black but I can hear things happening, and eventually I get a "TypeError Cannot read property 'resolution' of undefined" popup. I also got a "TypeError Cannot read property 'push' of null" popup when adding something to the shop. I'm forced to refresh in either situation. This happens very frequently (at least once every 10-20 minutes). If it was playable this would actually be really good, but in this state you can't expect a high rating, let alone anyone to pay for it.