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Games like Xenosaga Episode I: Der Wille zur Macht
If you finished Xenosaga Episode I: Der Wille zur Macht, the closest matches are Persona 5, Fire Emblem: Three Houses, Paper Mario: The Thousand-Year Door, Remnant: From the Ashes and Breath of Fire IV. All 12 share its adventure genre and are ranked by how closely their themes and modes overlap.
94
Persona 5
93
Fire Emblem: Three Houses
90
Paper Mario: The Thousand-Year Door
76
Remnant: From the Ashes
80
Breath of Fire IV
68
Pokémon Shield
77
Tales of Zestiria
82
Xenosaga Episode III: Also sprach Zarathustra
80
Tales of Destiny II
82
Rogue Galaxy
75
Xenosaga Episode II: Jenseits von Gut und Böse
65