Assassin's Creed is a franchise centered on an action-adventure video-game series developed by Ubisoft. It depicts in the centuries-old struggle between the Assassins, who fight for peace with free will, and the Templars, who desire peace through control. Featuring historical fiction and characters, mixed with real-world historical events, and figures. The series took inspiration from the novel Alamut by the Slovenian writer Vladimir Bartol, while building upon concepts from the Prince of Persia series.

The franchise began in 2007 with the release of Assassin's Creed. The main videogame series consists of nine games, developed by Ubisoft Montreal (single player) and Ubisoft Annecy (multiplayer), released on PlayStation 3PlayStation 4Xbox 360Xbox OneWii UMicrosoft Windows, and OS X platforms. Many spin-off games have been made for Nintendo DSPlayStation PortablePlayStation VitaiOSHP webOS,[3] AndroidNokia Symbian Windows Phone platforms, the handheld games are developed by Gameloft and Gryptonite Studios, with additional development by Ubisoft Montreal. The series has been well received by the public and critics, and has sold over 93 million copies as of June 2015, becoming Ubisoft's best selling franchise.

Additionally from the video-games the series has been expanded into a film, comics and novels; all of which take place within the same continuity as the main video-games series.