the greek alphabet course has a bug, where when you are supposed to write the english name of the greek characterer, a word like “omega” which consists of multiple English characters, after the first o the answer is “locked” and counts as wrong. see the short video attached…
Have a look: https://drive.google.com/file/d/0Bzvbjqgyp2APTXk2X3ZVbVZhTEU/view?usp=sharing