The best rpg games like Pokemon Legends Arceus are Pokemon Legends: Z-A, Monster Hunter Stories 2 and Cassette Beasts. Below are 8, 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 Pokemon Legends Arceus 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 direct follow-up to this new structure.
Creature collecting with real depth in the battles.
The best non-Pokemon monster collector, with a genuinely clever type system.
Collecting plus a team-building puzzle with real strategy.
A faithful classic-style monster RPG with modern quality of life.
Creature raising with a strong story attached.
Straightforward, funny, and full of creatures to catch.
If the study-the-creature half was the part you liked.
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.
Specifically, these are strong answers for Pokemon Legends Arceus that are not rpg games, so they are not on this page:
The full list is on games like Pokemon Legends Arceus — 9 picks, no genre filter.
Pokemon Legends: Z-A. The direct follow-up to this new structure.
No. Pokemon Legends Arceus 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 Pokemon Legends Arceus 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.