Learn fictional tongues from books, films, and games — with character speakers in the Duolingo style. Klingon, High Valyrian, Dothraki, Elvish, Na'vi, Huttese, Mando'a, Vulcan, Aurebesh, plus famous conlang inventors and how to build your own. Each unit features a Mathagram speaker — meet the cast below. 25 units, 375 lessons.