Muramasa: The Demon Blade, known in Japan as Oboro Muramasa (Japanese: 朧村正, "Hazy Muramasa"), is an action role-playing game developed by Vanillaware for the Wii, and later the PlayStation Vita. The game was published in 2009 by Marvelous Entertainment (Japan), Ignition Entertainment (North America), and Rising Star Games (Europe). The Vita version was published in 2013 by Marvelous AQL in Japan and Aksys Games in Western territories. Using a 2D side-scrolling perspective, the gameplay revolves around a beat 'em up fighting system, while incorporating role-playing elements such as leveling and questing.