One Piece Odyssey is a JRPG celebration of all things One Piece and its 25th anniversary. With 25 years of history, more than 1,000 episodes of the anime series, 100 volumes of the manga, 15 standalone movies, and dozens of video games (to say nothing of the upcoming live-action Netflix adaptation), the One Piece timeline is… extensive.
But we can figure out where it falls with a little effort (and a few assumptions). More importantly, though, we can also figure out why it doesn't really matter.
A quick note: We’ll be referring to the anime when talking about the timeline, since that’s more generally available and accessible.
Is One Piece Odyssey canon?
One Piece Odyssey was developed “with a direct involvement from Eiichiro Oda,” the creator of One Piece, as the official site says, but that’s doesn’t make it canon. In fact, no One Piece game is considered canon. They’re based on the events and use the same characters, but they don’t contribute to the overarching story.
In One Piece Odyssey, you will play through canonical events via flashback, but they’ll diverge somewhat from the established story due to the fuzzy nature of memory.
So, no, One Piece Odyssey probably isn’t canon, but it does revisit canonical events… in a non-canonical way.
Why it doesn’t matter when Odyssey takes place
One Piece Odyssey is a a love letter to fans — and to the show itself — during the 25th anniversary of One Piece. It’s a story of the entire crew (up to a point — more on this below) working together, reminiscing, and strengthening their bonds of friendship.
During the game, the crew even revisits four story arcs from One Piece’s past — the Alabasta (or Arabasta) Arc from 2001, the Water Seven Arc from 2005, the Marineford Arc from 2010, and the Dressrosa Arc from 2014 — as playable memories. You’re not there to change anything about the past, though. Think of it as more of a trip down memory lane.
And that makes Odyssey less about the moment it takes place and more about the 25 year history and journey of the One Piece story as a whole.
No, seriously, when does One Piece Odyssey take place?
The official website only says that One Piece Odyssey takes place “during their voyage along the Grand Line,” which doesn’t really narrow the timeline down. Over the course of Odyssey, though, you’ll play through those four Memoria Arcs — Alabasta, Water Seven, Marineford, and Dressrosa — we mentioned above, and those do have identifiable points in the timeline. The most recent, Dressrosa, ends with episode 746, so Odyssey has to be after that.
Outside of the story and in the real world, One Piece Odyssey was announced on March 28, 2022. But in a dev diary video released on June 30, 2022, One Piece Odyssey producer Katsuaki Tsuzuki states that the development had begun about five years earlier (and that the story was half-completed by three years prior). Since it’d be hard to develop the story based on unreleased stories, that puts us around June 2017. In other words, Odyssey probably takes place before episode 795 or so — and, rounding down, that puts it before the Whole Cake Island Arc that started with episode 783. (This also explains the absence of Jinbe, since he doesn’t officially join the crew until episode 980.)
Since Sanji is still on the Thousand Sunny with the crew, we can assume it’s before he departs for the wedding in episode 763.
So that puts the events of One Piece Odyssey somewhere roughly between the Dressrosa and (the first half of the) Zou Arcs.