The 2011 Earlham team speaks more than 20 languages including a couple of variants. The following is a list of those languages:

English
Proper English (UK)
New Jersey English (so whadda you lookin at ?)
Spanish
French
Arabic
Bosnian
Amharic
Farsi
Pashto
Dari
Urdu
Kurdish
Shona
Ndahu
Bambara
Swahili
Bemba
Nyanja
Lingala