Games like Dungeon Overseer
Games like Dungeon Overseer include Prison Architect, Manor Lords, Kingdoms and Castles, Cities: Skylines, and Against the Storm. We matched them by the tags players give Dungeon Overseer on Steam (Free to Play, Colony Sim, Base Building, City Builder, and Economy): closest matches first, and among equally close ones the better-known games.

Prison Architect
Shared: Base Building · Colony Sim · Simulation

Manor Lords
Shared: City Builder · Base Building · Simulation

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

Cities: Skylines
Shared: City Builder · Simulation · Building

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

Frostpunk
Shared: City Builder · Colony Sim · Base Building

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

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

Dwarf Fortress
Shared: Colony Sim · Base Building · City Builder

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

Norland
Shared: Base Building · City Builder · Colony Sim

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

Farthest Frontier
Shared: City Builder · Building · Colony Sim

Foundation
Shared: City Builder · Simulation · Building

SimCity™ 4 Deluxe Edition
Shared: City Builder · Base Building · Building

Ostriv
Shared: City Builder · Colony Sim · Simulation

RimWorld
Shared: Colony Sim · Base Building · Simulation

Banished
Shared: Colony Sim · City Builder · Simulation

Captain of Industry
Shared: Base Building · Simulation · Economy

Settlement Survival
Shared: Colony Sim · City Builder · Building

Blacksmith Master
Shared: Base Building · Colony Sim · City Builder

Kingdoms Reborn
Shared: Colony Sim · City Builder · Base Building

IXION
Shared: City Builder · Colony Sim · Base Building

Timberborn
Shared: Colony Sim · City Builder · Base Building