In 2015, Tencent released its multiplayer online battle arena game Honor of Kings (王者荣耀) exclusively for the Chinese market, and by 2017 was both the world's most popular and highest-grossing game of all time as well as the most downloaded app globally.[127][128][129][130][131][132][133] Tencent also released an international version of Honor of Kings named Arena of Valor in 2017.[134][135] In 2011, Tencent started hosting massively multiplayer online games such as Call of Duty Online, consisting of previous Call of Duty titles with added content, as well as the game League of Legends, which it now fully owns.[136] Tencent partly owns battle royale games such as Fortnite and PlayerUnknown's Battlegrounds, Escape from Tarkov [citation needed], and fully own Ring of Elysium.[137]