Games like Planet Factory
Games like Planet Factory include Dyson Sphere Program, Oxygen Not Included, Factorio, Prison Architect, and Kerbal Space Program. We matched them by the tags players give Planet Factory on Steam (Sandbox, Base Building, Resource Management, Space, and Crafting): closest matches first, and among equally close ones the better-known games.

Dyson Sphere Program
Shared: Base Building · Space · Resource Management

Oxygen Not Included
Shared: Base Building · Resource Management · Sandbox

Factorio
Shared: Base Building · Sandbox · Resource Management

Prison Architect
Shared: Sandbox · Base Building · Simulation

Kerbal Space Program
Shared: Sandbox · Space · Simulation

shapez
Shared: Base Building · Sandbox · Resource Management

Satisfactory
Shared: Base Building · Crafting · Sandbox

RimWorld
Shared: Base Building · Sandbox · Simulation

Space Engineers
Shared: Sandbox · Space · Base Building

Space Haven
Shared: Base Building · Space · Sandbox

Cities: Skylines
Shared: Sandbox · Simulation · Building

shapez 2 - Factory
Shared: Sandbox · Simulation · Futuristic

Kingdoms and Castles
Shared: Resource Management · Sandbox · Simulation

Spacebase DF-9
Shared: Base Building · Space · Simulation

Manor Lords
Shared: Base Building · Simulation · Sandbox

Planetbase
Shared: Base Building · Space · Resource Management

Stellaris
Shared: Space · Sandbox · Sci-fi

Jurassic World Evolution
Shared: Sandbox · Simulation · Building

Against the Storm
Shared: Base Building · Simulation · Resource Management

Jurassic World Evolution 2
Shared: Sandbox · Simulation · Building

The Crust
Shared: Base Building · Space · Sandbox

Dwarf Fortress
Shared: Base Building · Sandbox · Simulation

Stationeers
Shared: Base Building · Sandbox · Resource Management

Potion Craft: Alchemist Simulator
Shared: Crafting · Simulation · Sandbox

