Games like World War I
Games like World War I include Age of Empires II (Retired), Total War: THREE KINGDOMS, The Great War: Western Front™, Company of Heroes 2, and Last Train Home. We matched them by the tags players give World War I on Steam (Strategy, World War I, RTS, Historical, and Isometric): closest matches first, and among equally close ones the better-known games.

Age of Empires II (Retired)
Shared: Strategy · RTS · Historical

Total War: THREE KINGDOMS
Shared: Strategy · Historical · RTS

The Great War: Western Front™
Shared: Strategy · World War I · RTS

Company of Heroes 2
Shared: Strategy · RTS · Historical

Last Train Home
Shared: Strategy · RTS · Historical

Cossacks 3
Shared: Strategy · RTS · Historical

Hearts of Iron IV
Shared: Strategy · Historical · RTS

Victoria II
Shared: Strategy · Historical · World War I

Total War: ROME II - Emperor Edition
Shared: Strategy · Historical · RTS

Age of Empires: Definitive Edition
Shared: Strategy · RTS · Historical

Total War: ATTILA
Shared: Strategy · Historical · RTS

Age of Empires III: Definitive Edition
Shared: Strategy · RTS · Historical

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

Rise of Nations: Extended Edition
Shared: Strategy · RTS · Historical

Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · Historical · RTS

A Total War Saga: THRONES OF BRITANNIA
Shared: Strategy · RTS · Historical

Total War: MEDIEVAL II – Definitive Edition
Shared: Strategy · Historical · RTS

Total War: NAPOLEON – Definitive Edition
Shared: Strategy · Historical · RTS

Shadow Tactics: Blades of the Shogun
Shared: Strategy · Isometric · Historical

Total War: EMPIRE – Definitive Edition
Shared: Strategy · Historical · RTS

Iron Harvest
Shared: Strategy · RTS · World War I

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

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

Crusader Kings III
Shared: Strategy · Historical · RTS