I wish there were better games, like the anime ones. I recommend for example these games.
https://www.tapfantasy.io/#/

There are spin off of that like Goblin Slayer
https://g123.jp/game/goblinslayer?lang=en

I think there is a framework to create these type of RPG games online:
https://rpgjs.dev/
https://www.rpgmakerweb.com/
https://godotengine.org/
https://phaser.io/

Alternatively there are other type games like fighting games:
https://mugenarchive.com