Games like Battlefleet Gothic: Armada 2 - Complete Edition

If you finished Battlefleet Gothic: Armada 2 - Complete Edition, the closest matches are Battlefleet Gothic: Armada 2, Dark Reign: The Future of War, Starfront: Collision, Planet X2 and Overlord. All 6 share its real time strategy (rts) genre and are ranked by how closely their themes and modes overlap.