Free games like Skytropolis
Below are 8 free-to-play Steam games similar to Skytropolis, 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 Skytropolis page.
Ranked picks
- 1
Kingdom: Classic
Free-to-play alternative to Skytropolis — no purchase or trial window. Shares Indie and Simulation with Skytropolis.
Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic.
- 2
Oxygen: First Breath
Free-to-play alternative to Skytropolis — no purchase or trial window. Shares Indie and Simulation with Skytropolis.
This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running!
- 3
United Penguin Kingdom: Huddle up
Free-to-play alternative to Skytropolis — no purchase or trial window. Shares Indie and Simulation with Skytropolis.
This free version of the United Penguin Kingdom covers the content from one year of in-game time. A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales.
- 4
These Doomed Isles: The First God
Free-to-play alternative to Skytropolis — no purchase or trial window. Shares Indie and Simulation with Skytropolis.
These Doomed Isles: The First God is a prologue chapter of the main game, These Doomed Isles. Play as Cernunnos, the Celtic god of nature, and lead the Celtic civilisation to victory against waves of invaders, curses and more!
- 5
Microtopia: Prologue
Free-to-play alternative to Skytropolis — no purchase or trial window. Shares Indie and Simulation with Skytropolis.
Become the hive mind of a robot ant colony in this free version of Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species!
- 6
Diorama Worlds
Free-to-play alternative to Skytropolis — no purchase or trial window. Shares Indie and Simulation with Skytropolis.
Build and Explore worlds with a growing library of tiles and objects. Simple to use, easy to learn, fast to build.
- 7
Pan'orama: Prologue
Free-to-play alternative to Skytropolis — no purchase or trial window. Shares Indie and Simulation with Skytropolis.
Pan'orama is a relaxing and soothing puzzle simulation game in which you create amazing landscapes using different types of tiles, but most of all by discovering the connections between them and finding unique combinations.
- 8
Stonies
Free-to-play alternative to Skytropolis — no purchase or trial window. Shares Simulation with Skytropolis.
Stonies – Secure the survival of your kin! Play the gripping mix of life simulation and tycoon game now and accompany your Stonies through their prehistoric life. Prove your skill as a Stone Age leader in Stonies.