Guilty Gear X2, also known as Guilty Gear XX (Japanese: ギルティギア イグゼクス, Hepburn: Giruti Gia Iguzekusu) and subtitled The Midnight Carnival in Japan, is a fighting game developed by Arc System Works and published by Sammy Studios. The third installment of the Guilty Gear series, Guilty Gear X2 furthered the plot of the series, as well as introduced new characters and gameplay mechanics.