Games like Per Aspera: Green Mars
Games like Per Aspera: Green Mars include RimWorld, FTL: Faster Than Light, Cities: Skylines, Banished, and Manor Lords. We matched them by the tags players give Per Aspera: Green Mars on Steam (Strategy, Indie, Simulation, Sci-fi, and Mars): closest matches first, and among equally close ones the better-known games.
RimWorld
Shared: Strategy · Simulation · Base Building
FTL: Faster Than Light
Shared: Strategy · Indie · Sci-fi
Cities: Skylines
Shared: Simulation · Strategy · City Builder
Banished
Shared: Strategy · Simulation · City Builder
Manor Lords
Shared: Strategy · Simulation · City Builder
Stellaris
Shared: Strategy · Sci-fi · Simulation
Dyson Sphere Program
Shared: Simulation · Sci-fi · Base Building
Endzone - A World Apart
Shared: Strategy · City Builder · Simulation
Creeper World 3: Arc Eternal
Shared: Strategy · Indie · Sci-fi
Prison Architect
Shared: Simulation · Strategy · City Builder
Cliff Empire
Shared: Strategy · Simulation · City Builder
Planetbase
Shared: Strategy · City Builder · Simulation
Against the Storm
Shared: Strategy · Simulation · City Builder
Foundation
Shared: Simulation · Strategy · City Builder
Spacebase DF-9
Shared: Simulation · Strategy · Sci-fi
Kerbal Space Program
Shared: Simulation · Space Sim · Indie
Workers & Resources: Soviet Republic
Shared: Strategy · Simulation · City Builder
Dwarf Fortress
Shared: Strategy · Simulation · City Builder
Game Dev Tycoon
Shared: Indie · Simulation · Strategy
Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Indie
Plague Inc: Evolved
Shared: Strategy · Simulation · Indie
Jurassic World Evolution
Shared: Simulation · Strategy · City Builder
Empires of the Undergrowth
Shared: Strategy · Simulation · City Builder
Anno 2205™
Shared: Strategy · Simulation · City Builder