Assassin's Creed is an award winning historical fiction action-adventure open world stealth video game series that as of 2012 consists of five main games and a number of supporting materials. The games have appeared on the PlayStation 3, Xbox 360, Microsoft Windows, Mac OS X, Nintendo DS, PlayStation Portable, iOS, HP webOS,[1] Android, Nokia Symbian and Windows Phone platforms, with a PlayStation Vita on the way, and will be coming to the Wii U. The main games in the franchise were developed by Ubisoft Montreal, with the handheld titles developed by Gameloft and Gryptonite Studios, with additional development by Ubisoft Montreal. All games in the franchise are published by Ubisoft.