Submitting a ticket was useless for me.

Discord was the only thing that worked.

I only got to this part and I can't get in. Already submitted a ticket but no replies yet. It's been days now.

If you have a phone, download Puffin Browser and see if the game works on that.
If it works there, try purging all cookies and data from nutaku, and clear all history, cookies, exc. back 1 hour. Then restart your browser, making sure it actually closes; Chrome stays open now and it is frustrating. Then retry.