Games like Explorers of Esmar
Games like Explorers of Esmar include Stronghold Crusader HD (2012), Stronghold: Definitive Edition, Stronghold: Warlords, Stronghold 2: Steam Edition, and Farthest Frontier. We matched them by the tags players give Explorers of Esmar on Steam (Real Time Tactics, City Builder, Building, Economy, and Management): closest matches first, and among equally close ones the better-known games.

Stronghold Crusader HD (2012)
Shared: City Builder · Real Time Tactics · Military

Stronghold: Definitive Edition
Shared: City Builder · Real Time Tactics · Building

Stronghold: Warlords
Shared: Real Time Tactics · City Builder · Building

Stronghold 2: Steam Edition
Shared: Real Time Tactics · City Builder · Building

Farthest Frontier
Shared: City Builder · Building · Medieval

Stronghold HD (2012)
Shared: Real Time Tactics · City Builder · Building

Manor Lords
Shared: City Builder · Building · Management

Stronghold Crusader: Definitive Edition
Shared: City Builder · Real Time Tactics · Building

Foundation
Shared: City Builder · Medieval · Management

Cities: Skylines
Shared: City Builder · Building · Management

Kingdoms and Castles
Shared: City Builder · Management · Building

Workers & Resources: Soviet Republic
Shared: City Builder · Building · Base Building

Kingdoms Reborn
Shared: City Builder · Management · Economy

Ostriv
Shared: City Builder · Building · Management

Anno 117: Pax Romana
Shared: City Builder · Economy · Building

Against the Storm
Shared: City Builder · Building · Management

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

Becastled
Shared: City Builder · Building · Base Building

Anno 1800
Shared: City Builder · Economy · Strategy

Prison Architect
Shared: Building · City Builder · Management

Age of Empires III: Definitive Edition
Shared: City Builder · Base Building · Military

Mad Games Tycoon 2
Shared: Economy · Management · City Builder

Empires of the Undergrowth
Shared: City Builder · Building · Base Building

Stronghold Legends: Steam Edition
Shared: Real Time Tactics · City Builder · Building