That would make Call of Duty the second-highest selling video game franchise of all time, second only to Mario.
Dead Island 2 will also be available for PC subscribers, while Donut County and Ashen return as new additions to Game Pass Standard.
All three first-person shooter titles will be available via Xbox Cloud Gaming via Game Pass Ultimate subscriptions starting later this month.
The number of suspicious Call of Duty accounts over the weekend might even have been higher owing to the recent free trial.
Call of Duty: Warzone players will be able to queue up as quad teams to face off against bots in the new Bootcamp mode.
While DMZ is still playable in Call of Duty, its progression is entirely cut off from Modern Warfare 3 and Warzone.
Is it time for Call of Duty to move on?
Urzikstan will join Vondel as one of the maps available for Call of Duty: Warzone's battle royale mode when it launches.
The hub will support Call of Duty: Modern Warfare 2 and 3, and Warzone, allowing players to access all their content in one place.
The original Call of Duty battle royale is shutting down, with developers focusing on "future Call of Duty content" and Warzone 2.0.
The battle royale shooter will go offline on November 16 upon the launch of Warzone 2.0, before relaunching as Warzone Caldera later in the month.
Prominent insider Tom Henderson says that the free-to-play battle royale shooter will be renamed to "Warzone Caldera".
A reported leak has revealed the release date for the revamp of the Call of Duty battle royale game, dubbed Warzone 2.0.
Since launching in 2020, Call of Duty: Warzone has had over 125 million players. Over 3,000 people are working on the franchise currently.
New leak claims that the battle royale shooter will also bring back armour vests and an expanded version of Blackout's inventory system.
New alleged details have emerged on the battle royale sequel, claiming that it'll be more in line with Black Ops 4's Blackout than the original Warzone.
The publisher claims this "primarily due to our own execution" and promises the "most ambitious plan in Call of Duty history" with this year's titles.
Activision attributes the steep drop-off to lower player engagement in Call of Duty: Warzone and relatively lower sales for Call of Duty: Vanguard.
The upcoming battle royale sequel has been "built from the ground-up" and will feature 'groundbreaking innovations", the publisher says.
The new season for Call of Duty: Warzone and Call of Duty: Vanguard is officially live for PC and consoles, bringing in plenty of fixes and new content.
