Which video game franchise is most popular?

A video game that was released on the same day as the NBA Finals is the most popular video game of all time, according to a new study from PewDiePie.

In terms of total players, the game with the most players is League of Legends, with over 7.5 million players, according the study, released Tuesday.

The most popular game is Hearthstone, which has more than 3.6 million players.