Legends of Runeterra (or LoR) is a card game developed by Riot Games. The game was first announced by Riot Games, and entered its first closed beta, on October 15th 2019, coinciding with the 10th Anniversary of League of Legends, and then was released permanently but still in open beta after being announced during the lead up to Season Ten‘s start on 24th January 2020. It was released in full on april the 30th 2020.