Assassin's Creed 1 is an action-adventure game developed by Ubisoft, released in 2007 for PC and consoles. The game takes place in the Holy Land during the Third Crusade, where players assume the role of Altaïr ibn-La'Ahad, an Assassin attempting to stop the Templars from achieving their goals. The game features a vast open world, set in the cities of Jerusalem, Acre, and Damascus, where players can explore, complete quests, and engage in parkour and combat.