Games like The Finnish War
Games like The Finnish War include Company of Heroes 3, Age of Empires II (Retired), Age of History 3, Heroes of the Three Kingdoms 2, and Heroes of the Three Kingdoms 7. We matched them by the tags players give The Finnish War on Steam (Strategy, Wargame, RTS, 2D, and Historical): closest matches first, and among equally close ones the better-known games.

Company of Heroes 3
Shared: Strategy · Wargame · RTS

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

Age of History 3
Shared: Strategy · Wargame · RTS

Heroes of the Three Kingdoms 2
Shared: Strategy · 2D · Historical

Heroes of the Three Kingdoms 7
Shared: Strategy · 2D · RTS

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

Company of Heroes 2
Shared: Strategy · RTS · Historical

Imperivm RTC - HD Edition "Great Battles of Rome"
Shared: Strategy · Wargame · RTS

Hearts of Iron IV
Shared: Strategy · Historical · RTS

Steel Division 2
Shared: Strategy · RTS · Singleplayer

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

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

Master of Command
Shared: Strategy · Historical · RTS

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

Total War: ATTILA
Shared: Strategy · Historical · RTS

Broken Arrow
Shared: Strategy · Wargame · RTS

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

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

Europa Universalis IV
Shared: Strategy · Historical · Wargame

Last Train Home
Shared: Strategy · RTS · Historical

Ultimate General: Gettysburg
Shared: Strategy · RTS · Historical

Cossacks 3
Shared: Strategy · RTS · Historical

Wargame: Red Dragon
Shared: Strategy · RTS · Wargame

WARNO
Shared: Wargame · Strategy · RTS