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

Manor Lords
Shared: Strategy · City Builder · Base Building

Against the Storm
Shared: Strategy · Base Building · City Builder

Becastled
Shared: Base Building · Strategy · City Builder

Frostpunk
Shared: City Builder · Strategy · Base Building

Farthest Frontier
Shared: Strategy · City Builder · Building

They Are Billions
Shared: Base Building · Strategy · Colony Sim

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

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

Kingdoms and Castles
Shared: City Builder · Strategy · Colony Sim

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

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

Banished
Shared: City Builder · Strategy · Colony Sim

Oxygen Not Included
Shared: Base Building · Colony Sim · Building

Foundation
Shared: City Builder · Strategy · Medieval

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

Norland
Shared: Strategy · Base Building · City Builder

Kingdom Two Crowns
Shared: City Builder · Base Building · Building

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

Prison Architect
Shared: Base Building · Building · Strategy

Songs of Syx
Shared: City Builder · Strategy · Base Building

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

IXION
Shared: Strategy · City Builder · Base Building

Dwarf Fortress
Shared: Base Building · Strategy · City Builder

Kingdoms Reborn
Shared: City Builder · Base Building · Strategy