The last time I checked, DuoLingo was not planning to release Greek until October 1. (I have been waiting since March.)
Yesterday, I randomly decided to check. To my surprise, there it was, ready to go. Already there are about 20,000 learners! Yes!
This morning, I set up a Greek class on DuoLingo. If you are interested, there are a couple of ways to join my class.
You can sign up using this link:
Or, you can log into DuoLingo and then use this classroom code:
Let me know if you have any trouble!