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Call of Duty Next showcase: Every major announcement
The first Call of Duty released 15 years ago today - Dexerto
Call of Duty (video game) - Wikipedia
Let's Rank The Call of Duty Games, From Worst To Best
Call of Duty®: Mobile
Announcement: Call of Duty®: Mobile Is Live and Free-to-play! Download Now!
Call of Duty - Twitch
Call of Duty®: Black Ops on Steam
Call of Duty: Modern Warfare (Video Game 2019) - IMDb
Call of Duty Collaboration – HyperX
Call of Duty: Can the world's favourite shooter game last another 20 years? - BBC News
Three more Call of Duty games have been released on Steam