Games like Solar Nations 2

Games like Solar Nations 2 include Stellaris, Europa Universalis IV, Hearts of Iron IV, Sid Meier's Civilization VII, and Sid Meier’s Civilization® VI. We matched them by the tags players give Solar Nations 2 on Steam (Grand Strategy, Strategy, Space, Sci-fi, and Futuristic): closest matches first, and among equally close ones the better-known games.