Free Colony Sim Games on Steam

Steam currently has 935 Colony Sim games available to download and play. Explore our list of the best free games ranked by popularity and ratings. Data for this list is calculated from reviews and player counts reported directly by Steam and will be updated in real-time. Free Colony Sim game rankings were last updated on 2/11/2025.

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1. My Singing Monsters

Breed them, feed them, listen to them sing! Create an island full of Singing Monsters, then watch your song evolve as you breed and upgrade them. Design and build unique decorations to make your world look just the way you want. You'll love exploring the wonderful fantasy land of the Monster World!

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My Singing Monsters holds the #1 spot for "best free Colony Sim game on Steam" with a Player Score of 92. Its score was calculated by analyzing a total of 39,906 reviews on Steam. This breaks down to a total of 37,493 positive reviews and 2,413 negative reviews — making it "Very Positive" on Steam.

It can be played and ran on Windows systems. At the moment, it is possible to play My Singing Monsters on the Steam Deck (though some functionality may be limited).

Release Date 3/24/2021
Franchise Big Blue Bubble
Developer Big Blue Bubble
Publisher Big Blue Bubble
Steam App Id 1419170

2. Stronghold Kingdoms

A massively multiplayer grand strategy game, Stronghold Kingdoms is about forging alliances, political mind games, city-building and castle sieges with thousands of other players!

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Stronghold Kingdoms has achieved a Player Score of 63, placing it in the #2 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 9,247 reviews on Steam. This breaks down to a total of 5,919 positive reviews and 3,328 negative reviews — making it "Mixed" on Steam.

It can be played and ran on Windows systems. At the moment, it is not possible to play or run Stronghold Kingdoms on the Steam Deck.

Release Date 2/28/2012
Franchise Firefly Studios
Developer FireFly Studios
Publisher FireFly Studios
Steam App Id 47410

3. DFHack - Dwarf Fortress Modding Engine

Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools.

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DFHack - Dwarf Fortress Modding Engine has achieved a Player Score of 92, placing it in the #3 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 630 reviews on Steam. This breaks down to a total of 626 positive reviews and 4 negative reviews — making it "Overwhelmingly Positive" on Steam.

It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play DFHack - Dwarf Fortress Modding Engine on the Steam Deck (though some functionality may be limited).

Release Date 4/14/2023
Developer The DFHack Team
Publisher The DFHack Team
Steam App Id 2346660

4. Shelter 69

Expand your shelter in a unique take on the post-apocalypse genre, thrown straight into a wild world where women reign supreme across the wastelands. You are the last male, and all is for your taking.

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Shelter 69 has achieved a Player Score of 62, placing it in the #4 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 1,784 reviews on Steam. This breaks down to a total of 1,129 positive reviews and 655 negative reviews — making it "Mixed" on Steam.

It can be played and ran on Windows systems. At the moment, it is possible to play Shelter 69 on the Steam Deck (though some functionality may be limited).

Release Date 5/16/2022
Developer JNT Games
Publisher JNT Games
Steam App Id 1905950

5. Shipping Manager

Create and manage your own shipping empire. Control every aspect from route creation to marketing to staff handling and beat other managers to top the leaderboards.

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Shipping Manager has achieved a Player Score of 46, placing it in the #5 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 375 reviews on Steam. This breaks down to a total of 169 positive reviews and 206 negative reviews — making it "Mixed" on Steam.

It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Shipping Manager on the Steam Deck (though some functionality may be limited).

Release Date 9/18/2023
Developer Trophy Games
Publisher Trophy Games
Steam App Id 2445660

6. Build Master: MarsVille

Build Master: MarsVille is a city-building and strategy game that invites you to create your Martian colony with your engineering genius and building skills. Form alliances, trade resources, and conquer rival colonies. Embrace the challenge and become the ultimate Build Master on Mars!

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Build Master: MarsVille has achieved a Player Score of 46, placing it in the #6 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 185 reviews on Steam. This breaks down to a total of 82 positive reviews and 103 negative reviews — making it "Mixed" on Steam.

It can be played and ran on Windows systems. At the moment, it is possible to play Build Master: MarsVille on the Steam Deck (though some functionality may be limited).

Release Date 12/12/2023
Developers
Publisher FIRST FUN HONG KONG LIMITED
Steam App Id 2366120

7. Kingdom: Classic

Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic.

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Kingdom: Classic has achieved a Player Score of 89, placing it in the #7 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 21,903 reviews on Steam. This breaks down to a total of 19,855 positive reviews and 2,048 negative reviews — making it "Very Positive" on Steam.

It can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.

Release Date 10/21/2015
Franchise 👑 Kingdom Series 👑
Developers
Publisher Raw Fury
Steam App Id 368230

8. Romans: Age of Caesar

Build Rome Together! A co-operative grand strategy MMO from a team of veteran city builders, Romans: Age of Caesar is the latest historical strategy game from Firefly Studios.

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Romans: Age of Caesar has achieved a Player Score of 46, placing it in the #8 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 400 reviews on Steam. This breaks down to a total of 183 positive reviews and 217 negative reviews — making it "Mixed" on Steam.

It can be played and ran on Windows systems. At the moment, it is possible to play Romans: Age of Caesar on the Steam Deck (though some functionality may be limited).

Release Date 4/27/2022
Franchise Firefly Studios
Developer FireFly Studios
Publisher FireFly Studios
Steam App Id 872570

9. Bud Farm Idle Tycoon

Sit-back, relax, and watch your wealth grow exponentially as you unlock one quirky business after another.

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Bud Farm Idle Tycoon has achieved a Player Score of 55, placing it in the #9 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 118 reviews on Steam. This breaks down to a total of 67 positive reviews and 51 negative reviews — making it "Mixed" on Steam.

It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Bud Farm Idle Tycoon on the Steam Deck (though some functionality may be limited).

Release Date 11/15/2022
Developer LDRLY Games
Publisher LDRLY Games
Steam App Id 1998140

10. Stonies

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.

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Stonies has achieved a Player Score of 53, placing it in the #10 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 423 reviews on Steam. This breaks down to a total of 225 positive reviews and 198 negative reviews — making it "Mixed" on Steam.

It can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.

Release Date 2/21/2018
Developer upjers
Publisher upjers
Steam App Id 788470

More Free Colony Sim Games

Explore even more rankings for the 74 best free Colony Sim games available on Steam.

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Soures & References

Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Player counts and rankings are enriched, analyzed, and updated in real-time to ensure we surface the most up-to-date insights. Learn more about the Steambase approach to data collection and our review methodology.

  • Valve Corporation. (2025, February 11). Steam Store. Steam Store.
  • Valve Corporation. (2025, February 11). My Singing Monsters on Steam. Steam Store.
  • Valve Corporation. (2025, February 9). Stronghold Kingdoms on Steam. Steam Store.
  • Valve Corporation. (2025, February 10). DFHack - Dwarf Fortress Modding Engine on Steam. Steam Store.
  • Valve Corporation. (2025, February 11). Shelter 69 on Steam. Steam Store.
  • Valve Corporation. (2025, February 4). Shipping Manager on Steam. Steam Store.
  • Valve Corporation. (2025, February 2). Build Master: MarsVille on Steam. Steam Store.
  • Valve Corporation. (2025, January 22). Kingdom: Classic on Steam. Steam Store.
  • Valve Corporation. (2025, January 16). Romans: Age of Caesar on Steam. Steam Store.
  • Valve Corporation. (2025, January 24). Bud Farm Idle Tycoon on Steam. Steam Store.
  • Valve Corporation. (2025, January 2). Stonies on Steam. Steam Store.

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