Games like Super Robot Taisen Z: Special Disc

If you finished Super Robot Taisen Z: Special Disc, the closest matches are Starfleet Orion, Invasion Orion, Arcangel: The Legacy of Peace, Hisou Kihei X-Serd and The Final Conflict. All 8 share its turn-based strategy (tbs) genre and are ranked by how closely their themes and modes overlap.