Free Colony Sim Games on Steam
Steam currently has 1,036 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 6/19/2025.
Looking for more? Explore other lists such as:
- Best colony sim games on Steam
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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!
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 41,862 reviews on Steam. This breaks down to a total of 39,277 positive reviews and 2,585 negative reviews — making it "Very Positive" 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 | 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!
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 9,357 reviews on Steam. This breaks down to a total of 5,985 positive reviews and 3,372 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. 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.
Shelter 69 has achieved a Player Score of 62, placing it in the #3 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 1,842 reviews on Steam. This breaks down to a total of 1,159 positive reviews and 683 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).
4. DFHack - Dwarf Fortress Modding Engine
Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools.
DFHack - Dwarf Fortress Modding Engine has achieved a Player Score of 93, placing it in the #4 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 746 reviews on Steam. This breaks down to a total of 741 positive reviews and 5 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 |
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.
Shipping Manager has achieved a Player Score of 47, placing it in the #5 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 440 reviews on Steam. This breaks down to a total of 206 positive reviews and 234 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. Kingdom: Classic
Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic.
Kingdom: Classic has achieved a Player Score of 89, placing it in the #6 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 22,111 reviews on Steam. This breaks down to a total of 20,044 positive reviews and 2,067 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 |
7. Egg Surprise
A fun clicker with economic simulation in the penguin kingdom. Obtain rare collections, venture into dangerous dungeons, and build your own civilization!
Egg Surprise has achieved a Player Score of 66, placing it in the #7 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 1,192 reviews on Steam. This breaks down to a total of 814 positive reviews and 378 negative reviews — making it "Mixed" 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 | 6/20/2024 |
| Developer | SQRT Games |
| Publisher | SQRT Games |
| Steam App Id | 3017120 |
8. 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!
Build Master: MarsVille has achieved a Player Score of 43, placing it in the #8 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 221 reviews on Steam. This breaks down to a total of 91 positive reviews and 130 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 |
9. Empire City Simulator
Become a ruler and build the ancient city of your dreams in Empire City! Unlock new opportunities for your city's prosperity, gain the support of the gods, construct grand buildings, and create unique infrastructure. Transform a small settlement into a magnificent center of civilization!
Empire City Simulator has achieved a Player Score of 53, placing it in the #9 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 33 reviews on Steam. This breaks down to a total of 18 positive reviews and 15 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Empire City Simulator on the Steam Deck (though some functionality may be limited).
| Release Date | 9/12/2024 |
| Developer | Red Brix Wall |
| Publisher | Red Brix Wall |
| Steam App Id | 3076620 |
10. 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.
Romans: Age of Caesar has achieved a Player Score of 46, placing it in the #10 spot for the best free Colony Sim games. Its score was calculated by analyzing a total of 416 reviews on Steam. This breaks down to a total of 187 positive reviews and 229 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 |
More Free Colony Sim Games
Explore even more rankings for the 81 best free Colony Sim games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 507 | 3/24/2021 | 92 | Free | Steam Charts | |
| 316 | 2/28/2012 | 63 | Free | Steam Charts | |
| 118 | 5/16/2022 | 62 | Free | Steam Charts | |
| 105 | 4/14/2023 | 93 | Free | Steam Charts | |
| 92 | 9/18/2023 | 47 | Free | Steam Charts | |
| 73 | 10/21/2015 | 89 | Free | Steam Charts | |
| 71 | 6/20/2024 | 66 | Free | Steam Charts | |
| 51 | 12/12/2023 | 43 | Free | Steam Charts | |
| 37 | 9/12/2024 | 53 | Free | Steam Charts | |
| 26 | 4/27/2022 | 46 | Free | Steam Charts | |
 | 16 | 4/30/2025 | 84 | Free | Steam Charts | |
 | 14 | 9/21/2023 | 54 | Free | Steam Charts | |
 | 10 | 1/22/2021 | 61 | Free | Steam Charts | |
 | 10 | 2/21/2018 | 52 | Free | Steam Charts | |
 | 9 | 9/8/2023 | 68 | Free | Steam Charts | |
 | 9 | 11/5/2013 | 82 | Free | Steam Charts | |
 | 9 | 9/2/2024 | 55 | Free | Steam Charts | |
 | 8 | 7/26/2024 | 82 | Free | Steam Charts | |
 | 6 | 2/24/2023 | 52 | Free | Steam Charts | |
 | 5 | 4/30/2024 | 84 | Free | Steam Charts |
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, June 19). Steam Store. Steam Store.
- Valve Corporation. (2025, June 19). My Singing Monsters on Steam. Steam Store.
- Valve Corporation. (2025, June 3). Stronghold Kingdoms on Steam. Steam Store.
- Valve Corporation. (2025, June 17). Shelter 69 on Steam. Steam Store.
- Valve Corporation. (2025, May 28). DFHack - Dwarf Fortress Modding Engine on Steam. Steam Store.
- Valve Corporation. (2025, June 15). Shipping Manager on Steam. Steam Store.
- Valve Corporation. (2025, May 31). Kingdom: Classic on Steam. Steam Store.
- Valve Corporation. (2025, June 13). Egg Surprise on Steam. Steam Store.
- Valve Corporation. (2025, May 19). Build Master: MarsVille on Steam. Steam Store.
- Valve Corporation. (2025, May 27). Empire City Simulator on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Romans: Age of Caesar on Steam. Steam Store.