Games like Noble Legacy
Games like Noble Legacy include Kingdoms and Castles, Oxygen Not Included, Manor Lords, Banished, and RimWorld. We matched them by the tags players give Noble Legacy on Steam (Colony Sim, City Builder, Survival, Simulation, and Sandbox): closest matches first, and among equally close ones the better-known games.

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

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

Manor Lords
Shared: City Builder · Simulation · Base Building

Banished
Shared: Colony Sim · City Builder · Simulation

RimWorld
Shared: Colony Sim · Survival · Sandbox

Dwarf Fortress
Shared: Colony Sim · Simulation · City Builder

Settlement Survival
Shared: City Builder · Colony Sim · Survival

Prison Architect
Shared: Simulation · Colony Sim · Sandbox

Frostpunk
Shared: City Builder · Survival · Colony Sim

Foundation
Shared: City Builder · Simulation · Sandbox

Against the Storm
Shared: City Builder · Simulation · Colony Sim

Space Haven
Shared: Colony Sim · Survival · Base Building

Life is Feudal: Forest Village
Shared: Colony Sim · City Builder · Simulation

Empires of the Undergrowth
Shared: City Builder · Simulation · Colony Sim

Stonehearth
Shared: Colony Sim · City Builder · Survival

Norland
Shared: City Builder · Simulation · Colony Sim

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

Factorio
Shared: Sandbox · Resource Management · Base Building

Kenshi
Shared: Survival · Sandbox · Open World

Dawn of Man
Shared: Colony Sim · City Builder · Survival

Satisfactory
Shared: Open World · Base Building · Sandbox

Ostriv
Shared: City Builder · Colony Sim · Simulation

Timberborn
Shared: Colony Sim · City Builder · Sandbox

Craft The World
Shared: Colony Sim · Sandbox · Survival