Games like Supreme Power
Games like Supreme Power include Hearts of Iron IV, Total War: THREE KINGDOMS, Ultimate General: Civil War, Broken Arrow, and WARNO. We matched them by the tags players give Supreme Power on Steam (Wargame, Grand Strategy, Real Time Tactics, Military, and City Builder): closest matches first, and among equally close ones the better-known games.

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

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

Ultimate General: Civil War
Shared: Wargame · Real Time Tactics · Grand Strategy

Broken Arrow
Shared: Wargame · Strategy · Real Time Tactics

WARNO
Shared: Wargame · Real Time Tactics · Military

Sid Meier's Civilization VII
Shared: Grand Strategy · City Builder · Strategy

Wargame: Red Dragon
Shared: Wargame · Military · Strategy

Total War: NAPOLEON – Definitive Edition
Shared: Grand Strategy · Strategy · War

Total War: EMPIRE – Definitive Edition
Shared: Grand Strategy · Military · Strategy

Master of Command
Shared: Strategy · Military · War

Europa Universalis IV
Shared: Grand Strategy · Strategy · Wargame

Steel Division 2
Shared: Strategy · Military · RTS

Total War: WARHAMMER III
Shared: Grand Strategy · Strategy · Real Time Tactics

Sid Meier’s Civilization® VI
Shared: Grand Strategy · Strategy · City Builder

Age of Empires III: Definitive Edition
Shared: Strategy · Military · City Builder

Kingdom Heroes 8
Shared: Real Time Tactics · Wargame · RTS

Men of War: Assault Squad 2
Shared: Strategy · War · Military

Total War: ROME II - Emperor Edition
Shared: Grand Strategy · Strategy · Real Time Tactics

Total War: MEDIEVAL II – Definitive Edition
Shared: Grand Strategy · Strategy · War

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

NOBUNAGA'S AMBITION: Awakening
Shared: Wargame · Grand Strategy · Real Time Tactics

Total War: ATTILA
Shared: Grand Strategy · Strategy · War

Starship Troopers: Terran Command
Shared: Strategy · Military · RTS

ROMANCE OF THE THREE KINGDOMS XIV
Shared: Wargame · Military · Grand Strategy