Games like Command & Conquer 3: Tiberium Wars

If you finished Command & Conquer 3: Tiberium Wars, the closest matches are Age of Empires IV, Battlefleet Gothic: Armada 2, Distant Worlds: Universe, Cosmoteer: Starship Architect & Commander and Ancient Space. All 10 share its real time strategy (rts) genre and are ranked by how closely their themes and modes overlap.