Games like Citizens: On Mars - Prologue
Games like Citizens: On Mars - Prologue include Prison Architect, RimWorld, Cities: Skylines, Manor Lords, and Banished. We matched them by the tags players give Citizens: On Mars - Prologue on Steam (Simulation, Strategy, Casual, City Builder, and Colony Sim): closest matches first, and among equally close ones the better-known games.

Prison Architect
Shared: Simulation · Strategy · Sandbox

RimWorld
Shared: Strategy · Colony Sim · Simulation

Cities: Skylines
Shared: Simulation · City Builder · Strategy

Manor Lords
Shared: Strategy · Simulation · City Builder

Banished
Shared: Strategy · Simulation · City Builder

SPORE™
Shared: Simulation · Colony Sim · Sandbox

Against the Storm
Shared: Simulation · Strategy · City Builder

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

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

Planet Coaster 2
Shared: Simulation · Strategy · Sandbox

Dwarf Fortress
Shared: Simulation · Strategy · Colony Sim

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

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

Space Haven
Shared: Strategy · Colony Sim · Simulation

Cliff Empire
Shared: Strategy · Simulation · City Builder

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

Planetbase
Shared: City Builder · Colony Sim · Strategy

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Sandbox

Dyson Sphere Program
Shared: Simulation · Strategy · City Builder

Oxygen Not Included
Shared: Colony Sim · Simulation · Strategy

Dawn of Man
Shared: City Builder · Strategy · Simulation

Ostriv
Shared: Strategy · Simulation · City Builder

Foundation
Shared: Simulation · City Builder · Strategy

Stellaris
Shared: Strategy · Simulation · Sandbox