Assassin's Creed: Revelations is a 2011 action-adventure video game developed by Ubisoft Montreal and published by Ubisoft. It is the fourth major installment in the Assassin's Creed series, and a direct sequel to 2010's Assassin's Creed: Brotherhood, concluding the "Ezio Trilogy". The game was released on PlayStation 3, Xbox 360, and in November and December 2011. A remastered version of Revelations, along with Assassin's Creed II and Brotherhood, was released for the PlayStation 4 and Xbox One on November 15, 2016 as part of The Ezio Collection.

The plot is set in a fictional history of real-world events and follows the millennia-old struggle between the Assassins, who fight to preserve peace and free will, and the Templars, who desire peace through control.The framing story is set in the 21st century and features the series protagonist Desmond Miles who, after falling into a coma during the events of Brotherhood, must relive the memories of his ancestors through the Animus device in order to awaken and find a way to avert the 2012 apocalypse.