Games like Solar Nations
Games like Solar Nations include Stellaris, Victoria II, Imperator: Rome, Europa Universalis IV, and Victoria 3. We matched them by the tags players give Solar Nations on Steam (Grand Strategy, Space, War, Futuristic, and Real-Time with Pause): closest matches first, and among equally close ones the better-known games.
Stellaris
Shared: Space · Grand Strategy · Strategy
Victoria II
Shared: Grand Strategy · Economy · Strategy
Imperator: Rome
Shared: Grand Strategy · Strategy · Political Sim
Europa Universalis IV
Shared: Grand Strategy · Strategy · Economy
Victoria 3
Shared: Grand Strategy · Economy · Strategy
Terra Invicta
Shared: Grand Strategy · War · Strategy
Crusader Kings III
Shared: Grand Strategy · Strategy · Management
Hearts of Iron IV
Shared: Grand Strategy · War · Strategy
Age of History II
Shared: Grand Strategy · War · Strategy
Rebel Inc: Escalation
Shared: Grand Strategy · War · Strategy
X4: Foundations
Shared: Space · Economy · Sandbox
Manor Lords
Shared: Grand Strategy · Strategy · Management
Solar Nations 2
Shared: Grand Strategy · Space · Futuristic
Anno 2205™
Shared: Futuristic · Space · Strategy
Europa Universalis V
Shared: Grand Strategy · Economy · Strategy
Crusader Kings II
Shared: Grand Strategy · Strategy · Political Sim
ENDLESS Space™ 2
Shared: Space · Grand Strategy · Strategy
Cities: Skylines
Shared: Management · Economy · Strategy
Sid Meier’s Civilization® VI
Shared: Grand Strategy · Strategy · War
Sid Meier's Civilization VII
Shared: Grand Strategy · Strategy · War
Dyson Sphere Program
Shared: Space · Management · Sandbox
SuperPower 2 Steam Edition
Shared: Grand Strategy · War · Political Sim
Workers & Resources: Soviet Republic
Shared: Grand Strategy · Strategy · Management
Heroes of Might and Magic: Olden Era
Shared: Grand Strategy · Strategy · War