Games like Strategic Command Classic: WWI
Games like Strategic Command Classic: WWI include Gallipoli, Victoria II, Cities: Skylines, Plague Inc: Evolved, and Manor Lords. We matched them by the tags players give Strategic Command Classic: WWI on Steam (Strategy, Simulation, and World War I): closest matches first, and among equally close ones the better-known games.

Gallipoli
Shared: Simulation · World War I · Strategy

Victoria II
Shared: Strategy · Simulation · World War I

Cities: Skylines
Shared: Simulation · Strategy

Plague Inc: Evolved
Shared: Strategy · Simulation

Manor Lords
Shared: Strategy · Simulation

Crusader Kings III
Shared: Strategy · Simulation

Age of History II
Shared: Strategy · Simulation · World War I

Totally Accurate Battle Simulator
Shared: Simulation · Strategy

Victoria 3
Shared: Strategy · Simulation

Europa Universalis IV
Shared: Strategy · Simulation

Against the Storm
Shared: Strategy · Simulation

Hearts of Iron IV
Shared: Strategy · Simulation

Transport Fever 2
Shared: Strategy · Simulation

Age of History 3
Shared: Strategy · World War I · Simulation

Mini Motorways
Shared: Strategy · Simulation

Workers & Resources: Soviet Republic
Shared: Strategy · Simulation

Prison Architect
Shared: Simulation · Strategy

Battle of Empires : 1914-1918
Shared: Strategy · World War I · Simulation

Crusader Kings II
Shared: Strategy · Simulation

Empires of the Undergrowth
Shared: Strategy · Simulation

Anno 1800
Shared: Strategy · Simulation

Game Dev Tycoon
Shared: Simulation · Strategy

BidKing
Shared: Strategy · Simulation

Stellaris
Shared: Strategy · Simulation