Free games like Planet Architect
Below are 9 free-to-play Steam games similar to Planet Architect, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Planet Architect page.
Ranked picks
- 1
Steam Engine Simulator
Free-to-play alternative to Planet Architect — no purchase or trial window. Shares Simulation with Planet Architect.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
- 2
The Lab
Free-to-play alternative to Planet Architect — no purchase or trial window.
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!
- 3
OnlyCans: Thirst Date
Free-to-play alternative to Planet Architect — no purchase or trial window. Shares Indie and Simulation with Planet Architect.
Feel The Fizz Inside You™ with the brand new Shize™ Collection!
- 4
No Results Found
Free-to-play alternative to Planet Architect — no purchase or trial window. Shares Indie and Simulation with Planet Architect.
Search, dig deeper, and search again. Can you reach the end of the truth?
- 5
Landfall Archives
Free-to-play alternative to Planet Architect — no purchase or trial window. 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!
- 6
SuchArt: Creative Space
Free-to-play alternative to Planet Architect — no purchase or trial window. 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!
- 7
Aircar
Free-to-play alternative to Planet Architect — no purchase or trial window. Shares Indie with Planet Architect.
A simple immersive flying game built for VR. Pilot an aircar through a futuristic cityscape.
- 8
Samorost 1
Free-to-play alternative to Planet Architect — no purchase or trial window. 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.
- 9
Starship Simulator
Free-to-play alternative to Planet Architect — no purchase or trial window. 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.