Games like Medieval war simulator RTS
Games like Medieval war simulator RTS include Mount & Blade II: Bannerlord, Crusader Kings III, Totally Accurate Battle Simulator, This War of Mine, and Age of Empires II (Retired). We matched them by the tags players give Medieval war simulator RTS on Steam (Simulation, Strategy, Wargame, Pixel Graphics, and Medieval): closest matches first, and among equally close ones the better-known games.

Mount & Blade II: Bannerlord
Shared: Strategy · Medieval · Simulation

Crusader Kings III
Shared: Strategy · Simulation · Medieval

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Singleplayer

This War of Mine
Shared: Strategy · Simulation · Singleplayer

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

8-Bit Armies
Shared: Simulation · Strategy · Pixel Graphics

Age of Empires III: Definitive Edition
Shared: Strategy · Base Building · RTS

Papers, Please
Shared: Simulation · Pixel Graphics · Indie

Wargame: Red Dragon
Shared: Strategy · Wargame · Simulation

The Escapists
Shared: Strategy · Pixel Graphics · Simulation

Foundation
Shared: Simulation · Strategy · Medieval

Steel Division 2
Shared: Strategy · Simulation · RTS

Banished
Shared: Strategy · Simulation · Medieval

Age of History 3
Shared: Strategy · Wargame · RTS

RimWorld
Shared: Strategy · Base Building · Simulation

DEFCON
Shared: Strategy · Simulation · Singleplayer

Graveyard Keeper
Shared: Simulation · Pixel Graphics · Medieval

Plague Inc: Evolved
Shared: Simulation · Strategy · Singleplayer

Crusader Kings II
Shared: Strategy · Simulation · Medieval

Ultimate Epic Battle Simulator
Shared: Simulation · Strategy · Medieval

Ultimate General: Gettysburg
Shared: Strategy · Simulation · Wargame

Manor Lords
Shared: Strategy · Simulation · Base Building

War on the Sea
Shared: Strategy · Simulation · Wargame

Hearts of Iron IV
Shared: Strategy · Simulation · War