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 in the Assassin’s Creed series and the successor to 2017’s Assassin’s Creed Origins. The game’s plot tells a mythological history of the Peloponnesian War between Athens and Sparta. Players control a Spartan mercenary, who fights on both sides of the conflict as they attempt to find their family and eliminate the mysterious Cult of Kosmos.