Viewers watched 50 billion hours of gaming content on YouTube in 2018. Appears In Connecting with gamers on YouTube: 4 things marketers should know Related Content Data from: 4 reasons people watch gaming content on YouTube The surprising thing sports fans are looking for on YouTube Related Data 59% of mobile gamers download a game within a day of discovering it. The No. 1 reason players say they came back to a game is new features, like additional levels. 64% of players who play free games said they would be willing to watch a video in return for points, new levels, extra lives, and skills. 63% of casual gamers play games to pass the time. 48% of strategy gamers play games to pass the time. 49% of fantasy gamers play games to pass the time.