The soaring popularity of Fortnite, a free-to-play video game, has caught many by surprise. Video game expert Joost van Dreunen and Fortnite fans dissect what makes the game so popular. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News is a leading source of global news and information. Here you will find clips from NBC Nightly News, Meet The Press, and original digital videos. Subscribe to our channel for news stories, technology, politics, health, entertainment, science, business, and exclusive NBC investigations. Connect with NBC News Online! Visit NBCNews.Com: http://nbcnews.to/ReadNBC Find NBC News on Facebook: http://nbcnews.to/LikeNBC Follow NBC News on Twitter: http://nbcnews.to/FollowNBC Follow NBC News on Google+: http://nbcnews.to/PlusNBC Follow NBC News on Instagram: http://nbcnews.to/InstaNBC Follow NBC News on Pinterest: http://nbcnews.to/PinNBC #fortnite #fortnitegame #fortnitevideo #JoostvanDreunen Fortnite Fenomenon: What Makes A Free-To-Play Game So Insanely Popular And Profitable | NBC News