Assassin's Creed has been around for almost 16 years been through significant changes as the developers at Ubisoft strive to keep it relevant in an increasingly demanding industry. Despite the ups and downs they have faced, however, the world they have created in Assassin's Creed is one that many players keep coming back to year after year.
Source:https://www.cbr.com/ac-main-entries-game-length-howtobeat-ranked/