Assassin's Creed is a franchise centered on an action-adventure video game series developed by Ubisoft . It depicts a centuries-old struggle pitting the Assassins , who fight for peace and free will, against the Templars , who believe peace comes through control of humanity. The series features historical fiction mixed with real-world historical events and figures . The series took inspiration from the novel Alamut by the Slovenian writer Vladimir Bartol , [1] while building upon concepts from the Prince of Persia series. [2] The franchise began in 2007 with the release of Assassin's Creed . The main video game series consists of ten entries, developed by Ubisoft Montreal (single-player) and Ubisoft Annecy (multiplayer), released on PlayStation 3 , PlayStation 4 , Xbox 360 , Xbox One , Wii U , Microsoft Windows , and...