Games like Deep Space Outpost
Games like Deep Space Outpost include RimWorld, Oxygen Not Included, Prison Architect, Space Haven, and Dwarf Fortress. We matched them by the tags players give Deep Space Outpost on Steam (Colony Sim, Base Building, Sandbox, Space Sim, and Pirates): closest matches first, and among equally close ones the better-known games.
RimWorld
Shared: Colony Sim · Base Building · Sandbox
Oxygen Not Included
Shared: Colony Sim · Base Building · Survival
Prison Architect
Shared: Sandbox · Base Building · Colony Sim
Space Haven
Shared: Colony Sim · Base Building · Survival
Dwarf Fortress
Shared: Colony Sim · Base Building · Sandbox
Banished
Shared: Colony Sim · Survival · Sandbox
Kingdoms and Castles
Shared: Colony Sim · Sandbox · Base Building
Going Medieval
Shared: Colony Sim · Base Building · Survival
Manor Lords
Shared: Base Building · Sandbox · Colony Sim
Frostpunk
Shared: Colony Sim · Survival · Base Building
Factorio
Shared: Base Building · Sandbox · Resource Management
Planetbase
Shared: Colony Sim · Base Building · Survival
Empires of the Undergrowth
Shared: Base Building · Colony Sim · Sandbox
Endzone - A World Apart
Shared: Base Building · Survival · Colony Sim
Dawn of Man
Shared: Colony Sim · Survival · Sandbox
Against the Storm
Shared: Base Building · Colony Sim · Sandbox
Workers & Resources: Soviet Republic
Shared: Base Building · Colony Sim · Sandbox
Flotsam
Shared: Colony Sim · Base Building · Sandbox
Stationeers
Shared: Base Building · Colony Sim · Survival
Space Engineers
Shared: Sandbox · Survival · Base Building
They Are Billions
Shared: Colony Sim · Base Building · Survival
Norland
Shared: Base Building · Colony Sim · Sandbox
Ostriv
Shared: Colony Sim · Base Building · Sandbox
Songs of Syx
Shared: Colony Sim · Sandbox · Base Building