Activision has decided to offer some insight into skill-based matchmaking to Call of Duty: Modern Warfare 3 players. As the 20th game in the mainline Call of Duty series, there are many different details that compose Call of Duty: Modern Warfare 3's identity. Although many players come to the series to get a kick out of the gunplay, some dedicated fans have focused on factors that influence the way matches are played, like skill-based matchmaking.