Games like Space Empires Complete Pack

If you finished Space Empires Complete Pack, the closest matches are Hardspace: Shipbreaker, Mugen no Frontier: Super Robot Taisen OG Saga - Exceed, Avatar: Pandora Rising, Space Clash: The Last Frontier and Schwarzschild: Kyouran no Ginga. All 9 share its strategy genre and are ranked by how closely their themes and modes overlap.