Games like Shinpi no Sekai El-Hazard

If you finished Shinpi no Sekai El-Hazard, the closest matches are Steins;Gate: Linear Bounded Phenogram, One Piece: World Seeker, XBlaze Lost: Memories, Seers Isle and Muv-Luv Photonflowers*. All 6 share its adventure genre and are ranked by how closely their themes and modes overlap.