Games like Space Castle
Games like Space Castle include Hearts of Iron IV, Crusader Kings III, Crusader Kings II, Manor Lords, and Total War: THREE KINGDOMS. We matched them by the tags players give Space Castle on Steam (Simulation, Strategy, RTS, Space Sim, and Massively Multiplayer): closest matches first, and among equally close ones the better-known games.
Hearts of Iron IV
Shared: Strategy · Grand Strategy · Simulation
Crusader Kings III
Shared: Strategy · Simulation · Grand Strategy
Crusader Kings II
Shared: Strategy · Simulation · Grand Strategy
Manor Lords
Shared: Strategy · Simulation · Grand Strategy
Total War: THREE KINGDOMS
Shared: Strategy · RTS · Grand Strategy
Europa Universalis IV
Shared: Strategy · Simulation · Grand Strategy
Sid Meier’s Civilization® VI
Shared: Strategy · Grand Strategy · Historical
Total War: ROME II - Emperor Edition
Shared: Strategy · Grand Strategy · Historical
Age of History II
Shared: Strategy · Simulation · Grand Strategy
Victoria II
Shared: Strategy · Simulation · Grand Strategy
Knights of Honor II: Sovereign
Shared: Simulation · Strategy · RTS
Total War: NAPOLEON – Definitive Edition
Shared: Strategy · RTS · Grand Strategy
Imperator: Rome
Shared: Strategy · Simulation · Grand Strategy
Total War: ATTILA
Shared: Strategy · RTS · Grand Strategy
Total War: MEDIEVAL II – Definitive Edition
Shared: Strategy · RTS · Grand Strategy
Steel Division 2
Shared: Strategy · RTS · Simulation
Workers & Resources: Soviet Republic
Shared: Strategy · Simulation · Grand Strategy
Victoria 3
Shared: Simulation · Strategy · Grand Strategy
Europa Universalis V
Shared: Strategy · Simulation · Grand Strategy
Terra Invicta
Shared: Simulation · Strategy · Grand Strategy
A Total War Saga: TROY
Shared: Simulation · Strategy · RTS
Total War: WARHAMMER II
Shared: Strategy · RTS · Grand Strategy
Sid Meier's Civilization VII
Shared: Strategy · Grand Strategy · Simulation
Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · RTS · Historical