Tech ‘Call of Duty’ sets its sights on ‘Fortnite,’ domination of battle royale video games March 10, 2020Mike Snider, USA TODAYComments Off on ‘Call of Duty’ sets its sights on ‘Fortnite,’ domination of battle royale video games Free-to-play online games such as "Fortnite" will probably earn about $88 billion globally in 2020. Activision's new "Call of Duty" enters the fray.