Games like Medieval Kingdom Wars
Games like Medieval Kingdom Wars include Manor Lords, Age of History 3, Crusader Kings III, Stronghold: Definitive Edition, and Workers & Resources: Soviet Republic. We matched them by the tags players give Medieval Kingdom Wars on Steam (Grand Strategy, RTS, Medieval, Base Building, and City Builder): closest matches first, and among equally close ones the better-known games.

Manor Lords
Shared: Grand Strategy · City Builder · Strategy

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

Crusader Kings III
Shared: Grand Strategy · Medieval · Strategy

Stronghold: Definitive Edition
Shared: City Builder · Medieval · RTS

Workers & Resources: Soviet Republic
Shared: Grand Strategy · City Builder · Strategy

Europa Universalis IV
Shared: Grand Strategy · Strategy · Diplomacy

Stronghold Crusader: Definitive Edition
Shared: Medieval · City Builder · Strategy

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

Crusader Kings II
Shared: Grand Strategy · Medieval · Strategy

Against the Storm
Shared: Grand Strategy · Strategy · Base Building

Age of Empires II (Retired)
Shared: RTS · Medieval · Strategy

Empires of the Undergrowth
Shared: Grand Strategy · Base Building · Strategy

Farthest Frontier
Shared: City Builder · Medieval · Strategy

Foundation
Shared: Medieval · City Builder · Strategy

Kingdoms and Castles
Shared: City Builder · Strategy · Base Building

Stronghold HD (2012)
Shared: Medieval · City Builder · RTS

Total War: ROME REMASTERED
Shared: Grand Strategy · Strategy · RTS

Stronghold Crusader HD (2012)
Shared: Medieval · City Builder · Base Building

Becastled
Shared: Base Building · Medieval · City Builder

Songs of Syx
Shared: Grand Strategy · City Builder · Strategy

Europa Universalis V
Shared: Grand Strategy · Strategy · Economy

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

Knights of Honor II: Sovereign
Shared: Grand Strategy · Medieval · RTS

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