Games like Total War: WARHAMMER
Games like Total War: WARHAMMER include Total War: WARHAMMER II, Total War: WARHAMMER III, Age of Wonders 4, Heroes' Vow: Three Kingdoms, and Heroes of Might and Magic: Olden Era. We matched them by the tags players give Total War: WARHAMMER on Steam (RPG, Strategy, Simulation, 4X, and Grand Strategy): closest matches first, and among equally close ones the better-known games.

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

Total War: WARHAMMER III
Shared: Strategy · Grand Strategy · Turn-Based Strategy

Age of Wonders 4
Shared: Strategy · 4X · RPG

Heroes' Vow: Three Kingdoms
Shared: Strategy · RPG · Simulation

Heroes of Might and Magic: Olden Era
Shared: RPG · Strategy · Simulation

Kingdom Heroes 8
Shared: Strategy · RTS · Strategy RPG

Crusader Kings III
Shared: Strategy · RPG · Simulation

Total War: ROME REMASTERED
Shared: Strategy · Grand Strategy · 4X

Battle Brothers
Shared: RPG · Strategy · Turn-Based Strategy

Sid Meier’s Civilization® VI
Shared: Strategy · Grand Strategy · Turn-Based Strategy

Europa Universalis IV
Shared: Strategy · Grand Strategy · Simulation

SpellForce: Conquest of Eo
Shared: RPG · Strategy · Grand Strategy

MENACE
Shared: RPG · Strategy · Grand Strategy

Total War: THREE KINGDOMS
Shared: Strategy · Grand Strategy · Turn-Based Strategy

Total War: ROME II - Emperor Edition
Shared: Strategy · Grand Strategy · Turn-Based Strategy

Old World
Shared: Strategy · Simulation · 4X

Crusader Kings II
Shared: Strategy · Grand Strategy · RPG

Terra Invicta
Shared: Strategy · Simulation · 4X

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

Sid Meier's Civilization VII
Shared: Strategy · Grand Strategy · 4X

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

Three Kingdoms: Innovatory
Shared: Strategy · RPG · 4X

Age of Wonders III
Shared: Strategy · RPG · 4X

Game of Thrones Winter is Coming
Shared: Strategy · RPG · Simulation