Sensor Tower: Nintendo’s Dr. Mario World mobile partner has made $1.5 billion on a Disney puzzler

Nintendo announced that it would be working with Japanese mobile developer Line for a new puzzle game, Dr. Mario World. If you want to know why Nintendo would want to team up with Line for this project, you just have to see the money that Line’s Disney-branded mobile puzzles has made.

Disney Tsum Tsum, a free-to-play puzzle game for mobile made by Line, has made $1.5 billion, according to mobile research firm Sensor Tower. Disney Tsum Tsum has been out since January 2014.