From release date, editions, price, download size, and more, here's everything you need to know about Assassin's Creed Odyssey. Although it is the twentieth entry in Ubisoft's long-running open-world historical simulator series, in our Assassin's Creed Odyssey review we stated that it has more in common with games like Mass Effect and The Witcher 3 than your usual Assassin's Creed fare. Assassin's Creed Odyssey for PS4, Xbox One, PC, and Nintendo Switch ( exclusive to Japan) is out this week.