OGN (formerly known as Ongamenet) was a South Korean cable television channel that specialized in broadcasting video game-related content and esports matches, particularly StarCraft, Starcraft II, League of Legends, and Overwatch. OGN ran high level professional tournaments for 20 years; its premier competition included the Ongamenet Starleague (OSL), Proleague, League of Legends Champions Korea, and Overwatch APEX. It was previously a subsidiary of On-Media, the parent company of several other cable channels. After a corporate merger in 2010, it became a part of CJ ENM E&M Division.