Games like Strategy Core
Games like Strategy Core include Cities: Skylines, Sid Meier's Civilization VII, Stronghold Crusader HD (2012), Manor Lords, and Foundation. We matched them by the tags players give Strategy Core on Steam (Turn-Based Tactics, Wargame, City Builder, Military, and War): closest matches first, and among equally close ones the better-known games.

Cities: Skylines
Shared: City Builder · Strategy · Management

Sid Meier's Civilization VII
Shared: City Builder · Strategy · Military

Stronghold Crusader HD (2012)
Shared: City Builder · Military · Medieval

Manor Lords
Shared: City Builder · Strategy · Simulation

Foundation
Shared: City Builder · Strategy · Medieval

Battle Brothers
Shared: Turn-Based Tactics · Strategy · War

ROMANCE OF THE THREE KINGDOMS XIV
Shared: Turn-Based Tactics · Wargame · Military

Mount & Blade II: Bannerlord
Shared: Strategy · Medieval · War

Sid Meier’s Civilization® VI
Shared: Strategy · City Builder · War

Crusader Kings III
Shared: Strategy · Medieval · Simulation

Workers & Resources: Soviet Republic
Shared: City Builder · Strategy · Simulation

Against the Storm
Shared: City Builder · Strategy · Simulation

Cities: Skylines II
Shared: City Builder · Simulation · Management

XCOM 2
Shared: Turn-Based Tactics · Strategy · War

Becastled
Shared: City Builder · Strategy · Medieval

Farthest Frontier
Shared: City Builder · Strategy · Building

Banished
Shared: City Builder · Strategy · Simulation

Kingdoms and Castles
Shared: City Builder · Management · Strategy

Heroes of Might and Magic: Olden Era
Shared: Strategy · Turn-Based Tactics · Simulation

Prison Architect
Shared: Simulation · City Builder · Strategy

Mandate Order
Shared: City Builder · Strategy · Wargame

Jurassic World Evolution
Shared: Strategy · Management · City Builder

Empires of the Undergrowth
Shared: City Builder · Strategy · Simulation

MENACE
Shared: Turn-Based Tactics · Strategy · War