The best rpg games like Xenoblade Chronicles 3 are Xenoblade Chronicles, Xenoblade Chronicles 2 and Final Fantasy XII. Below are 9, each with the reason it is here — and, at the end, what filtering to rpg costs you.
Filtering to RPG means you want progression — a character to build or a party to grow — layered on top of whatever else you liked.
What you get: A reason to keep going after the novelty wears off. RPGs are the genre that reliably converts hours into feeling more capable.
What made Xenoblade Chronicles 3 worth playing in the first place is covered on the full list. This page is the rpg part of that answer, and only the rpg part.
The original, and the best-realised world of the three.
The most divisive and the one with the best combat system.
The mainline entry whose combat this is closest to.
Where this lineage of ambition starts, on the PS1.
The other hundred-hour JRPG with a cast worth the time.
Traditional turn-based storytelling from the same generation.
For the willingness to be this philosophical.
The most striking new turn-based RPG in years.
If the real-time party combat is the part you want.
Immediacy. Almost every RPG asks for a slow first few hours, and the systems that make hour forty good are the same ones that make hour one a menu.
The full list is on games like Xenoblade Chronicles 3 — 9 picks, no genre filter.
Xenoblade Chronicles. The original, and the best-realised world of the three.
No. Xenoblade Chronicles 3 released on the Nintendo Switch, but a recommendation is only useful if you can play it, so the picks above span platforms and eras. What they share is the genre and the reason.
Whether the stats are the point. In an RPG the build decides what you can do; in an action game with stats the build only decides how fast you do it.
No. The picks below span turn-based, real-time and action RPGs, and each one says which it is.
By hand. Each pick was written for the full Xenoblade Chronicles 3 list first, on what the game actually does, and this page is the part of that list that is rpg — never a genre tag lookup, which is how "best racing games like Super Mario 64" used to be a page on this site.
Or read the rpg guide for where to start in the genre generally.