Games like Farthest Frontier
Games like Farthest Frontier include Manor Lords, Kingdoms and Castles, Frostpunk, Against the Storm, and Foundation. We matched them by the tags players give Farthest Frontier on Steam (Building, City Builder, Strategy, Resource Management, and Medieval): closest matches first, and among equally close ones the better-known games.

Manor Lords
Shared: City Builder · Strategy · Building

Kingdoms and Castles
Shared: City Builder · Resource Management · Strategy

Frostpunk
Shared: City Builder · Strategy · Resource Management

Against the Storm
Shared: Strategy · City Builder · Building

Foundation
Shared: City Builder · Strategy · Medieval

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

Banished
Shared: City Builder · Strategy · Colony Sim

Ostriv
Shared: City Builder · Strategy · Building

Cities: Skylines
Shared: City Builder · Building · Strategy

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

Prison Architect
Shared: Building · Strategy · City Builder

Norland
Shared: Strategy · City Builder · Building

Stronghold: Definitive Edition
Shared: City Builder · Strategy · Building

Settlement Survival
Shared: Building · City Builder · Strategy

Kingdoms Reborn
Shared: City Builder · Strategy · Colony Sim

Anno 1800
Shared: City Builder · Strategy · Resource Management

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

Captain of Industry
Shared: Resource Management · Strategy · Building

Age of Empires II (Retired)
Shared: Strategy · Medieval · City Builder

IXION
Shared: City Builder · Strategy · Resource Management

Stronghold Crusader: Definitive Edition
Shared: City Builder · Strategy · Building

Tavern Master
Shared: Building · Resource Management · Medieval

Oxygen Not Included
Shared: Building · Resource Management · Colony Sim

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