Games like Decisive Campaigns: Barbarossa
Games like Decisive Campaigns: Barbarossa include Sid Meier's Civilization® V, Sid Meier’s Civilization® VI, Hearts of Iron IV, Company of Heroes 3, and Panzer Corps Gold. We matched them by the tags players give Decisive Campaigns: Barbarossa on Steam (Strategy, Turn-Based Strategy, World War II, Strategy RPG, and Replay Value): closest matches first, and among equally close ones the better-known games.

Sid Meier's Civilization® V
Shared: Strategy · Turn-Based Strategy · Multiplayer

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

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

Company of Heroes 3
Shared: Strategy · Wargame · Singleplayer

Panzer Corps Gold
Shared: Strategy · Turn-Based Strategy · World War II

Order of Battle: World War II
Shared: Strategy · World War II · Turn-Based Strategy

Age of History II
Shared: Strategy · Turn-Based Strategy · Historical

Panzer Corps 2
Shared: Strategy · Turn-Based Strategy · World War II

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

HUMANKIND™
Shared: Strategy · Turn-Based Strategy · Multiplayer

Total War: THREE KINGDOMS
Shared: Strategy · Turn-Based Strategy · Historical

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

Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · World War II · Singleplayer

Steel Division 2
Shared: Strategy · World War II · Singleplayer

Warhammer 40,000: Gladius - Relics of War
Shared: Strategy · Turn-Based Strategy · Multiplayer

Total War: WARHAMMER II
Shared: Strategy · Turn-Based Strategy · Singleplayer

Gary Grigsby's War in the East
Shared: Strategy · World War II · Turn-Based Strategy

Axis and Allies 1942 Online
Shared: Strategy · Turn-Based Strategy · Wargame

Sid Meier's Civilization® III Complete
Shared: Strategy · Turn-Based Strategy · Singleplayer

Sid Meier's Civilization®: Beyond Earth™
Shared: Strategy · Turn-Based Strategy · Multiplayer

Hex of Steel
Shared: Strategy · Turn-Based Strategy · World War II

Total War: ATTILA
Shared: Strategy · Turn-Based Strategy · Historical

Total War: MEDIEVAL II – Definitive Edition
Shared: Strategy · Turn-Based Strategy · Historical

XCOM: Enemy Unknown
Shared: Turn-Based Strategy · Strategy · Singleplayer