https://wccftech.com/call-of-duty-modern-warfare-multiplayer-is-the-most-played-of-this-console-generation/

After breaking multiple sales records in the first three days since its release, Call of Duty: Modern Warfare now officially has the franchise's most played multiplayer of this console generation when accounting for the first fifty days post-launch, according to a press release just issued by Activision. Previous Call of Duty iterations were surpassed in hours played, hours per player and average daily players; there have been 500 million multiplayer hours played and nearly 300 million multiplayer matches.

Call of Duty: Modern Warfare has now sold-through for over $1 billion globally. The game is also the top-selling premium title released in the United States this year.