Geoff Knorr worked on several video game titles, including what turn-based 4X video game that was developed by Firaxis Games?
Civilization VI: Sid Meier's Civilization VI is a turn-based 4X video game and the sixth main title in the "Civilization" series. Civilization VI:  "Civilization VI" was developed by Firaxis Games, published by 2K Games, and distributed by Take-Two Interactive.
i don't know