Introduction to Call of Duty Since its inception in 2003, the Call of Duty franchise has firmly established itself as a leader in the military video game genre. Published by Activision, this series has attracted millions of players around the world with its thrilling gameplay, engaging narratives, and state-of-the-art graphics. https://beckettfueox.blazingblog.com/30004622/call-of-duty-pioneering-military-gaming-since-2003