Activision Blizzard uses a number of mechanisms to promote positive play across its franchises:

Activision uses a warning system in Call of Duty: Modern Warfare II and Call of Duty: Warzone 2.0 that addresses disruptive players and supports and amplifies its Code of Conduct.

Blizzard uses a warning system in World of Warcraft and Overwatch that promotes behavioral improvements among players who start to exhibit disruptive behaviors.