Games like Mini Gal4Xy

If you finished Mini Gal4Xy, the closest matches are Age of Wonders: Planetfall, Distant Worlds: Universe, Warhammer 40,000: Gladius - Relics of War, Sid Meier's Starships and Imperium Galactica II: Alliances. All 9 share its strategy genre and are ranked by how closely their themes and modes overlap.