<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> <P> The game was released worldwide for Microsoft Windows, PlayStation 4, Xbox One, and (in Japan only) for Nintendo Switch on October 5, 2018 . It was praised for its open world, visuals, combat, story, and characters, while receiving criticism for some reliance on grinding, microtransactions, and for feeling bloated . </P> <P> Assassin's Creed Odyssey places more emphasis on role - playing elements than previous games in the series . The game contains dialogue options, branching quests, and multiple endings . The player is able to choose the gender of the main character, adopting the role of Alexios or Kassandra . The player can also develop romantic relationships with non-playable characters of both genders, regardless of which one they choose . The game features a notoriety system in which mercenaries chase after the player if they commit crimes like killing or stealing . </P>

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