Activision has offered insight into skill-based matchmaking (SBMM) for Call of Duty: Modern Warfare 3 players. As the 20th game in the mainline Call of Duty series, Modern Warfare 3 includes many elements that define its identity. While many players are drawn to the gunplay, some dedicated fans focus on the factors that influence match dynamics, such as SBMM.

The utility of SBMM is one of the most contentious topics in the Call of Duty franchise and online multiplayer games in general. Discussions about the pros and cons of SBMM often highlight the importance of finding a proper balance if the tool is implemented at all.

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Activision recently published data from tests conducted with SBMM in Call of Duty: Modern Warfare 3. These tests aimed to examine the effects of reducing the influence of skill in matchmaking. In the tests, 50% of Modern Warfare 3's North American player base experienced a decrease in the impact of skill and performance on matchmaking. The results showed that this reduction led to less variety in players' experiences. The research suggests that allowing skill to influence matchmaking creates a more balanced proportion of wins and losses in-game.

Developers support using SBMM in Call of Duty games, and the data explains why. Activision's research highlights that lower-skilled players tend to quit sooner and stop playing altogether when they lose more often. Without considering skill, lobbies can pit lower-skill players against highly skilled opponents, leading to frustrating experiences. This imbalance can result in "sweaty" lobbies, where players feel less motivated to continue playing, ultimately harming the overall player base.