That's monthly active users, mind, not all-time players or sales. Even for a franchise as established as this, that's an incredible level of success to achieve in just a year. However, that's for all platforms -- on PC, specifically, Modern Warfare and its standalone Warzone add-on has been responsible for...
https://www.techspot.com/news/87410-call-duty-warzon-f2p-gameplay-has-grown-franchise.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/87410-call-duty-warzon-f2p-gameplay-has-grown-franchise.html?utm_source=dlvr.it&utm_medium=blogger