Games like Sangokushi Eiketsuden
Games like Sangokushi Eiketsuden include Hearts of Iron IV, ROMANCE OF THE THREE KINGDOMS XIV, Europa Universalis IV, Romance of the Three Kingdoms XIII, and Heroes' Vow: Three Kingdoms. We matched them by the tags players give Sangokushi Eiketsuden on Steam (Tactical RPG, Wargame, Immersive Sim, Military, and Diplomacy): closest matches first, and among equally close ones the better-known games.

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

ROMANCE OF THE THREE KINGDOMS XIV
Shared: Wargame · Immersive Sim · Military

Europa Universalis IV
Shared: Wargame · Grand Strategy · Military

Romance of the Three Kingdoms XIII
Shared: Wargame · Immersive Sim · Military

Heroes' Vow: Three Kingdoms
Shared: Wargame · Tactical RPG · RPG

Europa Universalis V
Shared: Wargame · Grand Strategy · Strategy

Romance of the Three Kingdoms XI with Power Up Kit
Shared: Wargame · Immersive Sim · Military

Kingdom Heroes 8
Shared: Tactical RPG · Wargame · War

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

Rising Storm 2: Vietnam
Shared: Wargame · Military · Immersive Sim

ROMANCE OF THE THREE KINGDOMS 8 REMAKE
Shared: Wargame · Immersive Sim · Military

Battle Brothers
Shared: RPG · War · Strategy

NOBUNAGA'S AMBITION: Souzou
Shared: Wargame · Immersive Sim · Military

NOBUNAGA'S AMBITION: Sphere of Influence - Ascension
Shared: Wargame · Immersive Sim · Military

Ancient Warfare: The Han Dynasty
Shared: Wargame · War · Military

Age of History 3
Shared: Wargame · Diplomacy · Grand Strategy

NOBUNAGA'S AMBITION: Taishi
Shared: Wargame · Immersive Sim · Military

Total War: WARHAMMER
Shared: RPG · Tactical RPG · Strategy RPG

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

Romance of the Three Kingdoms X with Power Up Kit
Shared: Wargame · Immersive Sim · Military

Three Kingdoms Mushouden
Shared: Tactical RPG · Wargame · Strategy RPG

Ultimate General: Civil War
Shared: Wargame · War · Grand Strategy

Romance of the Three Kingdoms IX with Power Up Kit
Shared: Wargame · Immersive Sim · Military

IRON NEST: Heavy Turret Simulator
Shared: Military · War · Immersive Sim