Games like Oxygen
Games like Oxygen include Frostpunk, Manor Lords, Kingdoms and Castles, Oxygen Not Included, and RimWorld. We matched them by the tags players give Oxygen on Steam (Strategy, City Builder, Base Building, Simulation, and Survival): closest matches first, and among equally close ones the better-known games.
Frostpunk
Shared: City Builder · Strategy · Survival
Manor Lords
Shared: Strategy · City Builder · Base Building
Kingdoms and Castles
Shared: City Builder · Strategy · Simulation
Oxygen Not Included
Shared: Base Building · Survival · Colony Sim
RimWorld
Shared: Base Building · Strategy · Survival
Against the Storm
Shared: Strategy · City Builder · Simulation
Dwarf Fortress
Shared: Base Building · Strategy · Simulation
Banished
Shared: City Builder · Strategy · Simulation
Prison Architect
Shared: Simulation · Base Building · Strategy
Cities: Skylines
Shared: City Builder · Simulation · Strategy
Workers & Resources: Soviet Republic
Shared: Strategy · City Builder · Base Building
Empires of the Undergrowth
Shared: Strategy · Base Building · City Builder
Endzone - A World Apart
Shared: City Builder · Strategy · Survival
Factorio
Shared: Base Building · Strategy · Resource Management
Ostriv
Shared: Strategy · City Builder · Simulation
Foundation
Shared: City Builder · Strategy · Simulation
Norland
Shared: Strategy · City Builder · Simulation
Settlement Survival
Shared: City Builder · Survival · Simulation
Cities: Skylines II
Shared: City Builder · Simulation · Strategy
Space Haven
Shared: Base Building · Strategy · Survival
Timberborn
Shared: City Builder · Colony Sim · Sandbox
IXION
Shared: City Builder · Strategy · Survival
Dawn of Man
Shared: City Builder · Strategy · Survival
Frostpunk 2
Shared: Strategy · City Builder · Survival