Games like Doodle Empires
Games like Doodle Empires include Ages of Conflict: World War Simulator, Europa Universalis IV, Age of History II, Totally Accurate Battle Simulator, and Hearts of Iron IV. We matched them by the tags players give Doodle Empires on Steam (Simulation, Strategy, Alternate History, Sandbox, and Historical): closest matches first, and among equally close ones the better-known games.

Ages of Conflict: World War Simulator
Shared: Simulation · Sandbox · Alternate History

Europa Universalis IV
Shared: Strategy · Simulation · Historical

Age of History II
Shared: Strategy · Historical · Simulation

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Strategy

Hearts of Iron IV
Shared: Strategy · Historical · Alternate History

Reus
Shared: Strategy · Simulation · God Game

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

Crusader Kings III
Shared: Strategy · Simulation · Historical

Crusader Kings II
Shared: Strategy · Simulation · Historical

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

Game Dev Tycoon
Shared: Simulation · Strategy · Indie

Prison Architect
Shared: Simulation · Sandbox · Strategy

Plague Inc: Evolved
Shared: Simulation · Strategy · Indie

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

Banished
Shared: Strategy · Simulation · Sandbox

Your Only Move Is HUSTLE
Shared: Strategy · Turn-Based Strategy · Simulation

Manor Lords
Shared: Strategy · Simulation · Historical

Europa Universalis V
Shared: Strategy · Simulation · Historical

The Escapists
Shared: Strategy · Simulation · 2D

RimWorld
Shared: Strategy · Sandbox · Simulation

WorldBox - God Simulator
Shared: Simulation · Sandbox · God Game

Planet Coaster 2
Shared: Simulation · Strategy · Sandbox

Cities: Skylines
Shared: Simulation · Strategy · Sandbox

Dawn of Man
Shared: Strategy · Simulation · Historical