Games like One Hunread-Year Kingdom
Games like One Hunread-Year Kingdom include Oxygen Not Included, Banished, Frostpunk, Farthest Frontier, and Prison Architect. We matched them by the tags players give One Hunread-Year Kingdom on Steam (Strategy, City Builder, Colony Sim, Puzzle, and 2D): closest matches first, and among equally close ones the better-known games.

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

Banished
Shared: City Builder · Strategy · Colony Sim

Frostpunk
Shared: City Builder · Strategy · Colony Sim

Farthest Frontier
Shared: City Builder · Strategy · Building

Prison Architect
Shared: Strategy · Colony Sim · Building

ISLANDERS
Shared: City Builder · Strategy · Puzzle

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

Kingdom Two Crowns
Shared: City Builder · Strategy · Building

Foundation
Shared: City Builder · Strategy · Medieval

Manor Lords
Shared: Strategy · City Builder · Base Building

RimWorld
Shared: Colony Sim · Strategy · Base Building

They Are Billions
Shared: Strategy · Colony Sim · City Builder

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

Against the Storm
Shared: Strategy · City Builder · Building

Becastled
Shared: Strategy · City Builder · Colony Sim

Stronghold Crusader: Definitive Edition
Shared: Strategy · City Builder · Colony Sim

Kingdoms Reborn
Shared: City Builder · Colony Sim · Strategy

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

Stronghold Crusader HD (2012)
Shared: City Builder · Colony Sim · Strategy

Songs of Syx
Shared: City Builder · Strategy · Colony Sim

Ostriv
Shared: Strategy · City Builder · Colony Sim

Dwarf Fortress
Shared: Colony Sim · Strategy · City Builder

Rise to Ruins
Shared: City Builder · Colony Sim · Strategy

Cities: Skylines
Shared: City Builder · Strategy · Building