Games like ExoColony: Planet Survival
Games like ExoColony: Planet Survival include Oxygen Not Included, Frostpunk, RimWorld, Space Haven, and Planetbase. We matched them by the tags players give ExoColony: Planet Survival on Steam (City Builder, Immersive Sim, Mining, Underground, and Strategy): closest matches first, and among equally close ones the better-known games.

Oxygen Not Included
Shared: Colony Sim · Building · Survival

Frostpunk
Shared: City Builder · Strategy · Survival

RimWorld
Shared: Colony Sim · Strategy · Survival

Space Haven
Shared: Colony Sim · Strategy · City Builder

Planetbase
Shared: City Builder · Colony Sim · Strategy

Manor Lords
Shared: City Builder · Strategy · Building

IXION
Shared: City Builder · Strategy · Colony Sim

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

Prison Architect
Shared: Building · City Builder · Strategy

Banished
Shared: City Builder · Strategy · Colony Sim

Against the Storm
Shared: City Builder · Strategy · Building

Dyson Sphere Program
Shared: Building · Space · City Builder

Dwarf Fortress
Shared: City Builder · Colony Sim · Strategy

Farthest Frontier
Shared: City Builder · Strategy · Building

The Universim
Shared: City Builder · Colony Sim · Building

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

Timberborn
Shared: City Builder · Colony Sim · Building

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

Settlement Survival
Shared: City Builder · Colony Sim · Building

Endzone - A World Apart
Shared: City Builder · Strategy · Survival

Cities: Skylines
Shared: City Builder · Strategy · Building

Ostriv
Shared: City Builder · Strategy · Colony Sim

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

Norland
Shared: City Builder · Strategy · Colony Sim