Question: Geoff Knorr worked on several video game titles, including what turn-based 4X video game that was developed by Firaxis Games?
Sentence (from "Civilization: Beyond Earth"): The game's setting is unique to the "Civilization" series in that it takes place in the future, with mankind traveling through space and founding colonies on extraterrestrial planets after Earth becomes uninhabitable due to an undescribed disaster known as "the Great Mistake".
Relevant evidence: No