Games like Raiohgar: Asuka and the King of Steel

If you finished Raiohgar: Asuka and the King of Steel, the closest matches are Xenogears, Digimon Story: Cyber Sleuth - Hacker's Memory, Super Robot Wars X, Treasure Hunter Claire and Sunrider: Mask of Arcadius. All 7 share its indie genre and are ranked by how closely their themes and modes overlap.