League of Legends

League of Legends is an action RTS video game developed and published by Riot Games for Microsoft Windows,
inspired by the popular Defense of the Ancients map for Warcraft III.
It was first announced on October 7, 2008, and released on October 27, 2009.
The game was in a closed beta from April 10, 2009, to October 22, 2009.
It then transitioned to open beta until release.