PewDiePie had long-time aspirations for launching his own video game, and in December 2014, he revealed to his fans (also known as 'bros', '9 year olds', or more recently '19 year olds') that he was collaborating with Outerminds Inc. The Microsoft Windows and OS X versions were released on December 10, 2015, with an additional co-op mode.
The game was released for iOS and Android on Septemand became the top-grossing paid game in the United States App Store less than two hours after its release. PewDiePie: Legend of the Brofist is a 2D side-scrolling action-adventure platform video game developed and published by Canadian-based indie development studio Outerminds inc., in collaboration with PewDiePie.