Mortal Kombat X is a fighting video game developed by NetherRealm Studios and published by Warner Bros. Interactive Entertainment. Released in April 2015, it is the tenth main installment in the Mortal Kombat series. The game features a diverse roster of characters, including both returning fighters and new ones, each with unique abilities and fighting styles. The gameplay includes traditional one-on-one combat, with players using a combination of attacks, special moves, and finishing moves known as Fatalities. Mortal Kombat X also introduces a new mechanic called "Variations," allowing players to choose different styles for each character, enhancing strategy and customization in battles.