Guilty Gear 2: Overture (ギルティギア2オーヴァチュア, Giruti Gia Tsū Ōvachua) is a video game in the Guilty Gear series made by Arc System Works for the Xbox 360; unlike the previous games, however, Overture is not a fighting game. The fourth main installment in the series, Guilty Gear 2 makes use of 3D graphics, unlike its predecessors. A playable demo of Guilty Gear 2 featuring three modes of gameplay was released in Japan via Xbox Live on 30 October 2007. The demo describes the game as, "a mix between the action and real-time strategy genre." A North American version was released on October 7, 2008 released by Aksys Games.[1] A port for Microsoft Windows was released on March 31, 2016 worldwide by Arc System Works.