Games like Sid Meier's Civilization VI: Platinum Edition

If you finished Sid Meier's Civilization VI: Platinum Edition, the closest matches are Sid Meier's Civilization II, Age of Wonders: Planetfall, Warhammer 40,000: Gladius - Relics of War, Master of Orion II: Battle at Antares and StarDrive 2. All 6 share its strategy genre and are ranked by how closely their themes and modes overlap.