league of Legends is a multiplayer online battle arena (MOBA) genre video game developed by Riot Games.[5] It was designed to operate on the Microsoft Windows operating system. The game was first announced on October 7th, 2008 and released a year, later on October 27th, 2009.[6] The game was in beta from April 10th, 2009 [7] to October 26th, 2009.[8