Jeff's Adama Lang Adventure is a text-based game where players follow Jeff, a linguistics professor, as he travels to a remote village in Ethiopia to study the language of the local tribe. However, upon his arrival, he discovers that the village is in turmoil as an English woman has been murdered and the villagers are convinced that it was the work of a curse. Jeff must use his knowledge of language and cultural nuances to solve the mystery before it's too late.