Berlin (dpa) — If it’s a “Call of Duty” game, you can expect action, noise and a fast pace. The video game series has revolutionized the first-person shooter genre and mixes exciting and provocative storylines with an enjoyable multiplayer mode. According to publisher Activision, more than 500 million games have been sold in the “Call of Duty” series. The game is now synonymous with the entire genre like no other. Two development studios, Treyarch and Raven Software, were commissioned to work on the 21st installment in the series, “Call of Duty: Black Ops 6.” Development took four years, longe…