Wccftech reports that Assassin's Creed: Ragnorak is the next game, according to 4chan. This is unconfirmed at this stage but the leak does include screenshots.
More information.The next entry in the Assassin's Creed series is apparently going to be named Assassin's Creed Ragnarok, and it will be set in the Viking Age.
A recent leak has surfaced on 4chan complete with some off-screen screenshots. The game will be set in the Viking Age, and the main character will be an ally of Ragnar Lodbrok, a legendary Viking who fans of the History TV Show Vikings should know well, who will aid in the formation of the Great Heathen Army which invaded England in 865.
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