Games like Frontline Crisis

If you finished Frontline Crisis, the closest matches are Total War: Warhammer III, Warhammer 40,000: Battlesector, Battlefleet Gothic: Armada 2, Cosmoteer: Starship Architect & Commander and Executive Assault 2. All 10 share its real time strategy (rts) genre and are ranked by how closely their themes and modes overlap.