ObscureBase One
42% matchSpace Sim, Science
AAASpace Engineers
43% matchSpace Sim, Base Building
AAStar Birds
45% matchBase Building, Science
ObscureIdle interstellar Factory 2
46% matchSandbox, Crafting, Similar premise
ObscureBuilderment
47% matchBase Building, Crafting, Similar premise
ObscureSuper Starship
46% matchSpace Sim, Futuristic
ObscureHeliopedia
41% matchSpace Sim, Sandbox
IndieEarthX
41% matchSpace Sim, Base Building
ObscureDesk Space: Idle Spacefleet clicker
42% matchSpace, Resource Management, Similar premise
ObscureRoboCo
39% matchOften compared to it, Sandbox, Building
ObscureWreckborn
45% matchBase Building, Space Sim, Similar premise
ObscureMechanic Miner
38% matchScience, Crafting
ObscureCitizens: On Mars - Prologue
41% matchSandbox, Base Building
ObscureResidual
40% matchSpace Sim, Space
AAFOUNDRY
43% matchBase Building, Crafting, Similar premise
ObscureSpace Architect
44% matchBase Building, Science
ObscureColony On Mars
41% matchBase Building, Simulation, Similar premise
ObscureFactory Magnate
46% matchBase Building, Resource Management, Similar premise
IndieReassembly
45% matchSpace, Sandbox
IndieRise of Industry
45% matchOften compared to it, Base Building, Resource Management
IndieCenter Station Simulator
42% matchSandbox, Crafting, Similar premise
ObscureGalaxy Too Far
43% matchBase Building, Space, Similar premise
ObscureRocket Engineer
44% matchSpace Sim, Science
ObscureSpace Drilling Station
42% matchBase Building, Space
ObscureDrink Factory Simulator - Prologue
38% matchCrafting, Simulation, Similar premise
ObscurePossible One: Lunar Industries
45% matchSpace Sim, Science
AAExecutive Assault 2
38% matchSpace Sim, Base Building
AAMewnBase
42% matchBase Building, Crafting
IndieStarMade
47% matchSpace, Sandbox
ObscureSpace Manager
44% matchSpace Sim, Space, Similar premise
ObscureChocolate Factory: Prologue
46% matchBase Building, Crafting
AASpaceCraft
43% matchSpace Sim, Base Building
ObscureScrapworks Simulator
39% matchCrafting, Building
ObscureAsteroid Core
38% matchBase Building, Space
IndiePlanetbase
45% matchBase Building, Space, Similar premise
IndieMineMogul
42% matchBase Building, Crafting
ObscureHexfactory
44% matchSpace Sim, Space, Similar premise
ObscureRover Builder
38% matchScience, Sandbox
AAStarminer
39% matchSpace Sim, Sandbox
ObscureHeliotropism
35% matchBase Building, Sandbox
AAMini Settlers
40% matchOften compared to it, Base Building, Sandbox
ObscureStarbrew Station
40% matchSpace Sim, Futuristic
ObscureFactory Engineer
45% matchSandbox, Base Building
ObscureAfter the Empire
39% matchOften compared to it, Space, Simulation
ObscureAstroPlanet
45% matchBase Building, Sandbox
AAProsperous Universe
41% matchBase Building, Space Sim
ObscureMultiply Factory
39% matchBase Building, Sandbox, Similar premise
ObscureSpace Station Tycoon
43% matchSpace Sim, Base Building