If you liked this
Games like One Piece Odyssey
If you finished One Piece Odyssey, the closest matches are The Seven Deadly Sins: Origin, Ys X: Nordics, Etheria: Restart, Sky Oceans: Wings for Hire and Made in Abyss: Binary Star Falling into Darkness. All 11 share its adventure genre and are ranked by how closely their themes and modes overlap.
Free
The Seven Deadly Sins: Origin
78
Ys X: Nordics
Etheria: Restart
53
Sky Oceans: Wings for Hire
52
Made in Abyss: Binary Star Falling into Darkness
73
God Eater 3
Mortal Online 2
69
Sword Art Online: Hollow Realization
ZanZarah: The Hidden Portal
AdventureQuest Worlds
45