Games like 三国:谋定天下
Games like 三国:谋定天下 include Foxhole, Hearts of Iron IV, Europa Universalis IV, Rising Storm 2: Vietnam, and Total War: THREE KINGDOMS. We matched them by the tags players give 三国:谋定天下 on Steam (Strategy, Wargame, Military, War, and Top-Down): closest matches first, and among equally close ones the better-known games.

Foxhole
Shared: Wargame · Military · Massively Multiplayer

Hearts of Iron IV
Shared: Strategy · War · Military

Europa Universalis IV
Shared: Strategy · Wargame · Historical

Rising Storm 2: Vietnam
Shared: Wargame · Military · War

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

WARNO
Shared: Wargame · Military · Strategy

Company of Heroes 2
Shared: Strategy · War · Military

Squad
Shared: Military · PvP · Wargame

Verdun
Shared: PvP · Massively Multiplayer · Wargame

Holdfast: Nations At War
Shared: War · Military · Historical

Sid Meier’s Civilization® VI
Shared: Strategy · Historical · War

War of Rights
Shared: War · Military · Historical

Europa Universalis V
Shared: Strategy · Wargame · Historical

Isonzo
Shared: Wargame · PvP · Military

Dota 2
Shared: Strategy · PvP · Multiplayer

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

Steel Division 2
Shared: Strategy · Military · War

Age of Empires III: Definitive Edition
Shared: Strategy · Military · War

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

World of Warships
Shared: PvP · Strategy · Military

War Thunder
Shared: War · Simulation · Military

Wargame: Red Dragon
Shared: Strategy · Military · Wargame

Company of Heroes 3
Shared: Strategy · Wargame · PvP

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