The new rage among teenage boys is a video game called "Fortnite: Battle Royale".
The video game has accumulated over 40 million users since it debuted in the Fall of 2017. Teens say the are becoming obsessed.
The game mostly attracts teen boys. The obsession is getting to the point where kids are pulling all-nighters to play. They are even smuggling the game into school.
One player said, "I am obsessed ... I never wanted to play so much in my life."
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Here is the trailer for the game ...