Games like RUPTURR
Games like RUPTURR include Hearts of Iron IV, Europa Universalis IV, Total War: THREE KINGDOMS, Terra Invicta, and Totally Accurate Battle Simulator. We matched them by the tags players give RUPTURR on Steam (Simulation, Strategy, Early Access, Indie, and Action): closest matches first, and among equally close ones the better-known games.

Hearts of Iron IV
Shared: Strategy · Grand Strategy · Simulation

Europa Universalis IV
Shared: Strategy · Simulation · Grand Strategy

Total War: THREE KINGDOMS
Shared: Strategy · Grand Strategy · RTS

Terra Invicta
Shared: Simulation · Strategy · Grand Strategy

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Sandbox

Crusader Kings III
Shared: Strategy · Simulation · Grand Strategy

Men of War: Assault Squad 2
Shared: Strategy · Simulation · Action

Victoria II
Shared: Strategy · Simulation · Grand Strategy

Call to Arms
Shared: Strategy · Action · RTS

Steel Division 2
Shared: Strategy · Simulation · RTS

Ultimate Epic Battle Simulator 2
Shared: Simulation · Strategy · Action

Victoria 3
Shared: Simulation · Strategy · Grand Strategy

Dummynation
Shared: Simulation · Strategy · Grand Strategy

Age of History II
Shared: Strategy · Simulation · Grand Strategy

Age of History 3
Shared: Strategy · Grand Strategy · RTS

NEBULOUS: Fleet Command
Shared: Simulation · Strategy · Grand Strategy

Rebel Inc: Escalation
Shared: Simulation · Strategy · Grand Strategy

Stellaris
Shared: Strategy · Grand Strategy · Simulation

Arma 3
Shared: Simulation · Action · Military

Ultimate Epic Battle Simulator
Shared: Simulation · Strategy · Action

Crusader Kings II
Shared: Strategy · Simulation · Grand Strategy

Mount & Blade II: Bannerlord
Shared: Strategy · Simulation · Action

Total War: WARHAMMER II
Shared: Strategy · Grand Strategy · RTS

Sid Meier's Civilization VII
Shared: Strategy · Grand Strategy · Simulation