IMHO.

Games like Planet Architect

If Planet Architect is your kind of game, the closest matches are Starship Simulator, RemoteSpace: First Settlement and Terra Logic — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About Planet Architect: A planet-building sandbox where you create entire worlds from the ground up. Generate unique planets, shape vast landscapes, and use interconnected simulations inspired by real-world processes to bring your fantasy planet to life.

IndieSimulationWindows · macOSby Devote
Planet Architect — Steam game cover

Players who liked Planet Architect also play

Steam players who put hours into Planet Architect also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Starship Simulator

    WHY THIS

    Top pick for Planet Architect fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Planet Architect.

    Explore a scientifically accurate Milky Way galaxy and discover distant uncharted worlds, while having unrestricted access to every deck of your Magellan Class deep space exploration vessel. Interact with numerous fully simulated ship systems, or simply relax in the bar and watch the stars drift by.

    AdventureSimulationRPGFreeSteam ↗
  2. RemoteSpace: First Settlement

    WHY THIS

    Second-strongest match for Planet Architect fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Planet Architect.

    A hard-sci-fi orbital settlement sim where you mine asteroids, build infrastructure, fight enemy, and operate inside a living solar system shaped by orbital mechanics, limited information, and long-distance logistics.

    StrategySimulationSteam ↗
  3. Terra Logic

    WHY THIS

    Third-strongest match for Planet Architect fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Planet Architect.

    Sculpt planets and landscapes, watch water and climate respond, and compare two versions of the same world. Import heightmaps, draw mountain ranges, and export flat terrain to Minecraft Java. Explore Earth, ancient continents and distant worlds at your own pace.

    2027StrategyIndieSimulationSteam ↗
  4. Kerbal Space Program

    WHY THIS

    Ranked #4 for Planet Architect fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Planet Architect.

    In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.

    2015IndieSimulation9.99 USDDeck PlayableSteam ↗
  5. Kerbal Space Program 2

    WHY THIS

    Ranked #5 for Planet Architect fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Planet Architect.

    Kerbal Space Program 2 is the sequel to the acclaimed space-flight simulation game Kerbal Space Program. Enter the next generation of space adventure with exciting new parts, stunning visuals, fully revamped UI and Map View, and rich new environments to explore.

    2023IndieSimulationEarly Access49.99 USDSteam ↗
  6. Rocket Science

    WHY THIS

    Ranked #6 for Planet Architect fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Planet Architect.

    Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.

    2020StrategySimulationEarly Access19.99 USDSteam ↗
  7. ΔV: Rings of Saturn

    WHY THIS

    Ranked #7 for Planet Architect fans by collaborative filtering across millions of Steam libraries. Shares Indie and Simulation with Planet Architect.

    A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.

    2023ActionIndieSimulation9.99 USDDeck PlayableSteam ↗
  8. SPORE™

    WHY THIS

    Ranked #8 for Planet Architect fans by collaborative filtering across millions of Steam libraries. Shares Simulation with Planet Architect.

    Be the architect of your own universe with Spore, an exciting single-player adventure. From Single Cell to Galactic God, evolve your creature in a universe of your own creations.

    2008ActionStrategyAdventure4.99 USDSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Steam Engine Simulator

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Simulation with Planet Architect.

    The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.

    2023SimulationFreeDeck VerifiedSteam ↗
  2. The Lab

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

    2016Free To PlayFreeSteam ↗
  3. OnlyCans: Thirst Date

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Planet Architect.

    Feel The Fizz Inside You™ with the brand new Shize™ Collection!

    2021IndieSimulationFree To PlayFreeSteam ↗
  4. No Results Found

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Planet Architect.

    Search, dig deeper, and search again. Can you reach the end of the truth?

    2026IndieAdventureSimulationFreeSteam ↗
  5. Landfall Archives

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Planet Architect.

    Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!

    2023ActionStrategyIndieFreeSteam ↗
  6. SuchArt: Creative Space

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Simulation with Planet Architect.

    Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗
  7. Aircar

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Planet Architect.

    A simple immersive flying game built for VR. Pilot an aircar through a futuristic cityscape.

    2019IndieFree To PlayCasualFreeSteam ↗
  8. Samorost 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Planet Architect.

    Explore the beginnings of the Samorost series in the space gnome’s original bite-sized adventure, formerly released in 2003. Now with remastered sounds, enhanced graphics, and new music by Floex.

    2021IndieAdventureCasualFreeSteam ↗

Frequently asked about Planet Architect

What games are most similar to Planet Architect?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Planet Architect are Starship Simulator, RemoteSpace: First Settlement, Terra Logic.
Who developed Planet Architect?
Planet Architect was developed by Devote.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Planet Architect.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.