Games like Doodle Steel
Games like Doodle Steel include Men of War: Assault Squad 2, Total Tank Simulator, Hearts of Iron IV, Plants vs. Zombies GOTY Edition, and Bloons TD 6. We matched them by the tags players give Doodle Steel on Steam (Strategy, Casual, World War II, Simulation, and Physics): closest matches first, and among equally close ones the better-known games.

Men of War: Assault Squad 2
Shared: Strategy · World War II · Simulation

Total Tank Simulator
Shared: Strategy · Simulation · World War II

Hearts of Iron IV
Shared: Strategy · World War II · Simulation

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Tower Defense

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Physics

Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · World War II · Real Time Tactics

Dictators:No Peace Countryballs
Shared: Strategy · Casual · Simulation

Bomber Crew
Shared: World War II · Strategy · Simulation

Company of Heroes 2
Shared: Strategy · World War II · War

Game Dev Tycoon
Shared: Strategy · Simulation · Casual

ShellShock Live
Shared: Strategy · Tanks · Casual

BidKing
Shared: Strategy · Casual · Simulation

Plague Inc: Evolved
Shared: Strategy · Simulation · Casual

911 Operator
Shared: Strategy · Simulation · Casual

Creeper World 4
Shared: Tower Defense · Strategy · Real Time Tactics

Toy Soldiers
Shared: Strategy · Casual · Tower Defense

Age of History II
Shared: Strategy · Simulation · War

Blitzkrieg 3
Shared: Strategy · World War II · War

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · Casual

Bridge Constructor Portal
Shared: Strategy · Simulation · Physics

UBOAT
Shared: World War II · Simulation · War

My Suika – Kyo’s Fruit Merge
Shared: Casual · Strategy · Simulation

Nodebuster
Shared: Casual · Strategy · Simulation