<Li> JP: October 5, 2018 </Li> <Tr> <Th> Genre (s) </Th> <Td> Action role - playing, stealth </Td> </Tr> <Tr> <Th> Mode (s) </Th> <Td> Single - player </Td> </Tr> <P> Assassin's Creed Odyssey is an action role - playing video game developed by Ubisoft Quebec and published by Ubisoft . It is the eleventh major installment, and twentieth overall, in the Assassin's Creed series and the successor to 2017's Assassin's Creed Origins . Set in the year 431 BCE, the plot tells a fictional history of the Peloponnesian War between Athens and Sparta . Players control a male or female mercenary who fights for both sides as they attempt to unite their family and uncover a malign cult . </P>

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