Based in Orange County, California, Kill3rCombo is a joint venture of Level Up! Games and KOG Studios with a mission to deliver multiplayer online action games to the North American market. Level Up! Games is the first and biggest online game publisher in both Brazil and the Philippines. KOG Studios is a leading game developer located in Deagu, creating popular titles including Grand Chase and Fighters Club. Kill3rCombo, which was founded in 2010, combines the development expertise of KOG Studios with the publishing prowess of Level Up! Games to introduce North American audiences to Elsword, a free-to-play massively multiplayer online game.