'Call of Duty: Mobile' video game offensive boasts new 'Fortnite'-style battle royale mode

Activision has released a mobile version of the popular Call of Duty video game that is free-to-play on Android and iOS devices. 'Call of Duty' is firing a salvo at'Fortnite,' with a new, mobile video game that includes a battle royale mode for up to 100 players. "Call of Duty: Mobile," out Tuesday for Android and iOS devices, is a free-to-play game featuring a variety of maps, weapons, characters and play modes from the multibillion-dollar "Call of Duty: Black Ops" and "Modern Warfare" video game franchises. Other popular multiplayer modes in the game include Team Deathmatch, Search and Destroy, and Domination. Popular maps from the game franchise that will be included are Nuketown, Crash, Hijacked and more.