Games like Hottarake no Shima: Kanata to Niji-iro no Kagami

If you finished Hottarake no Shima: Kanata to Niji-iro no Kagami, the closest matches are Halls of Torment, The God Slayer, Soma Bringer, Nights of Azure 2: Bride of the New Moon and Monster Hunter Portable 3rd. All 8 share its role-playing (rpg) genre and are ranked by how closely their themes and modes overlap.