Games like Star Trek: Outposts Unknown
Games like Star Trek: Outposts Unknown include Frostpunk, Oxygen Not Included, Manor Lords, Kingdoms and Castles, and Prison Architect. We matched them by the tags players give Star Trek: Outposts Unknown on Steam (Strategy, Colony Sim, Resource Management, Narrative, and Simulation): closest matches first, and among equally close ones the better-known games.

Frostpunk
Shared: Strategy · Resource Management · City Builder

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

Manor Lords
Shared: Strategy · Simulation · City Builder

Kingdoms and Castles
Shared: Colony Sim · Resource Management · Strategy

Prison Architect
Shared: Simulation · Colony Sim · Strategy

Against the Storm
Shared: Strategy · Simulation · City Builder

Cities: Skylines
Shared: Strategy · Simulation · City Builder

RimWorld
Shared: Colony Sim · Strategy · Base Building

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

Dyson Sphere Program
Shared: Resource Management · Base Building · Simulation

IXION
Shared: Strategy · Resource Management · Colony Sim

Empires of the Undergrowth
Shared: Strategy · Simulation · Colony Sim

Norland
Shared: Strategy · Colony Sim · Simulation

Planetbase
Shared: Colony Sim · Strategy · City Builder

Cliff Empire
Shared: Strategy · City Builder · Simulation

Anno 2070™
Shared: Strategy · Simulation · City Builder

Space Haven
Shared: Colony Sim · Strategy · Base Building

Banished
Shared: Colony Sim · Strategy · City Builder

Foundation
Shared: Strategy · Simulation · City Builder

Farthest Frontier
Shared: Strategy · Resource Management · City Builder

Dwarf Fortress
Shared: Colony Sim · Strategy · Simulation

Jurassic World Evolution
Shared: Strategy · Simulation · Building

Anno 2205™
Shared: Strategy · City Builder · Simulation

They Are Billions
Shared: Colony Sim · Strategy · Base Building