Mortal Kombat 9, also known as Mortal Kombat (2011), is a fighting game developed by NetherRealm Studios and published by Warner Bros. Interactive Entertainment. The game is the ninth main installment in the Mortal Kombat series and a reboot of the franchise. One of the most exciting features of Mortal Kombat 9 is its robust modding community, which has created a wide range of custom content, including boss mods.