If you liked this
Games like Dioramos
If you finished Dioramos, the closest matches are Suikoden, Tecmo's Deception: Invitation to Darkness, Superlite 1500 Series: Pangaea, Neorude 2 and Kuroi Hitomi no Noir: Cielgris Fantasm. All 10 share its role-playing (rpg) genre and are ranked by how closely their themes and modes overlap.
