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.
Fill-in-Cafe Fill-in-Cafe (フィルインカフェ ) was a video game developer that was founded in Japan in 1987. They are best known for creating the "Asuka 120% BURNING Fest." franchise, as well as the "" titles.