Guilty Gear XX: Accent Core is a 2D fighting game released for the Wii in 2007. Developed by Arc System Works, it's known for its fast-paced combat, unique characters, and intricate mechanics. The game features a cast of eccentric fighters, each with their own backstory and fighting style, and it incorporates a high level of technical gameplay. Accent Core serves as an updated version of Guilty Gear XX and includes balance changes, new moves, and an overhauled combat system. It has been praised for its deep gameplay and vibrant anime-style graphics.