The video game developer who hosts The Mid-Season Invitational was established in what year?
Riot Games Riot Games is an American video game developer, publisher, and eSports tournament organizer established in 2006. Their main office is based in West Los Angeles, California. They currently have additional offices located in Berlin, Dublin, Hong Kong, Istanbul, Mexico City, Moscow, New York City, St. Louis, Santiago, São Paulo, Seoul, Shanghai, Singapore, Sydney, Taipei, and Tokyo.
Pro Evolution Soccer 2017 Pro Evolution Soccer 2017 (officially abbreviated as PES 2017, also known in some Asian countries as Winning Eleven 2017) is a sports video game developed by PES Productions and published by Konami for Microsoft Windows, PlayStation 3, PlayStation 4, Xbox 360 and Xbox One. The game is the 16th installment in the "Pro Evolution Soccer" series. It was released in September 2016 and is compatible with PS4 Pro console.