Games like War Room: Tactical Sandbox
Games like War Room: Tactical Sandbox include Totally Accurate Battle Simulator, Hearts of Iron IV, Ravenfield, People Playground, and Ages of Conflict: World War Simulator. We matched them by the tags players give War Room: Tactical Sandbox on Steam (Software, Simulation, Sandbox, Historical, and Top-Down): closest matches first, and among equally close ones the better-known games.

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · War

Hearts of Iron IV
Shared: Historical · Simulation · War

Ravenfield
Shared: Sandbox · Singleplayer · War

People Playground
Shared: Sandbox · Simulation · 2D

Ages of Conflict: World War Simulator
Shared: Sandbox · Simulation · Level Editor

鬼谷八荒 Tale of Immortal
Shared: Simulation · Sandbox · Singleplayer

Prison Architect
Shared: Simulation · Sandbox · 2D

Doodle Empires
Shared: Simulation · Sandbox · Historical

Age of History II
Shared: Historical · Simulation · Sandbox

Potion Craft: Alchemist Simulator
Shared: Simulation · Singleplayer · Sandbox

Europa Universalis IV
Shared: Simulation · Historical · Sandbox

Mount & Blade II: Bannerlord
Shared: Sandbox · Simulation · War

Door Kickers
Shared: Simulation · Top-Down · Singleplayer

Kerbal Space Program
Shared: Simulation · Sandbox · Singleplayer

UBOAT
Shared: Simulation · Singleplayer · Historical

Game Dev Tycoon
Shared: Simulation · Singleplayer · 2D

Spaceflight Simulator
Shared: Sandbox · Simulation · 2D

Poly Bridge
Shared: Simulation · Sandbox · Singleplayer

Nuclear Option
Shared: Simulation · War · Level Editor

Ultimate Epic Battle Simulator
Shared: Simulation · Sandbox · War

House Flipper
Shared: Simulation · Sandbox · Singleplayer

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

Rising Front
Shared: Sandbox · Simulation · Singleplayer

Steel Division 2
Shared: Simulation · Singleplayer · Historical