Games like Space Architect
Games like Space Architect include Oxygen Not Included, RimWorld, Prison Architect, Dwarf Fortress, and Factorio. We matched them by the tags players give Space Architect on Steam (Indie, Colony Sim, Base Building, Management, and Top-Down): closest matches first, and among equally close ones the better-known games.
Oxygen Not Included
Shared: Colony Sim · Base Building · Survival
RimWorld
Shared: Colony Sim · Base Building · Management
Prison Architect
Shared: Base Building · Colony Sim · Management
Dwarf Fortress
Shared: Colony Sim · Base Building · Strategy
Factorio
Shared: Base Building · Automation · Strategy
Kingdoms and Castles
Shared: Colony Sim · Management · Strategy
Space Haven
Shared: Colony Sim · Base Building · Management
Dyson Sphere Program
Shared: Base Building · Automation · Management
Timberborn
Shared: Colony Sim · Management · Base Building
Manor Lords
Shared: Base Building · Strategy · Management
Banished
Shared: Colony Sim · Indie · Strategy
Captain of Industry
Shared: Base Building · Automation · Strategy
Frostpunk
Shared: Colony Sim · Survival · Strategy
Stationeers
Shared: Base Building · Colony Sim · Survival
Against the Storm
Shared: Base Building · Strategy · Management
Going Medieval
Shared: Colony Sim · Base Building · Strategy
Planetbase
Shared: Colony Sim · Base Building · Strategy
Endzone - A World Apart
Shared: Indie · Base Building · Strategy
Empires of the Undergrowth
Shared: Base Building · Strategy · Colony Sim
Settlement Survival
Shared: Colony Sim · Management · Survival
Ostriv
Shared: Colony Sim · Strategy · Management
The Crust
Shared: Base Building · Colony Sim · Automation
Workers & Resources: Soviet Republic
Shared: Base Building · Strategy · Management
Norland
Shared: Base Building · Colony Sim · Strategy