Free City Builder Games on Steam
Steam currently has 2,809 City Builder 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 City Builder game rankings were last updated on 3/26/2026.
Looking for more? Explore other lists such as:
- Best city builder games on Steam
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- Free Steam games
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1. Heartopia
Welcome to Heartopia, a multiplayer life simulation game crafted for creativity, freedom, and peace. Build your dream home, explore a wide range of hobbies, and forge warm connections with friends in a town full of endless possibilities.
Heartopia holds the #1 spot for "best free City Builder game on Steam" with a Player Score of 67. Its score was calculated by analyzing a total of 11,832 reviews on Steam. This breaks down to a total of 8,039 positive reviews and 3,793 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Heartopia on the Steam Deck (though some functionality may be limited).
| Release Date | 1/17/2026 |
| Franchise | XD International |
| Developer | XD |
| Publisher | XD |
| Steam App Id | 4025700 |
2. Age of Empires III: Definitive Edition
Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product.
Age of Empires III: Definitive Edition has achieved a Player Score of 84, placing it in the #2 spot for the best free City Builder games. Its score was calculated by analyzing a total of 52,623 reviews on Steam. This breaks down to a total of 44,919 positive reviews and 7,704 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 Age of Empires III: Definitive Edition on the Steam Deck (though some functionality may be limited).
| Release Date | 10/15/2020 |
| Franchise | Age of Empires Franchise |
| Developers | |
| Publisher | Xbox Game Studios |
| Steam App Id | 933110 |
3. Battle Nations
Battle Nations is back! Build your empire and lead your armies to victory! Choose from traditional troops and vehicles or unleash exotic forces like mammoths, velociraptors, sandworms, and futuristic plasma units!
Battle Nations has achieved a Player Score of 71, placing it in the #3 spot for the best free City Builder games. Its score was calculated by analyzing a total of 1,802 reviews on Steam. This breaks down to a total of 1,315 positive reviews and 487 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Battle Nations on the Steam Deck (though some functionality may be limited).
| Release Date | 9/18/2014 |
| Developer | Madrona Games Inc |
| Publisher | Madrona Games Inc |
| Steam App Id | 251670 |
4. March of Empires
Claim your title as Shogun, Highland King, Northern Tsar or Desert Sultan and join this genre-redefining strategy game where you will wage constant war for real territorial conquest! Fortify your castle, fuel a massive army, and enter the ultimate fight for realm domination!
March of Empires has achieved a Player Score of 61, placing it in the #4 spot for the best free City Builder games. Its score was calculated by analyzing a total of 1,811 reviews on Steam. This breaks down to a total of 1,136 positive reviews and 675 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play March of Empires on the Steam Deck (though some functionality may be limited).
5. Galaxy Life
The universe is full of Starlings, tiny orange aliens that want to take over the galaxy. Create your own space colony, fight epic battles and discover new planets. Train your soldiers, develop your technology and create unimaginable gadgets. Enjoy this huge social game with friends!
Galaxy Life has achieved a Player Score of 89, placing it in the #5 spot for the best free City Builder games. Its score was calculated by analyzing a total of 8,419 reviews on Steam. This breaks down to a total of 7,710 positive reviews and 709 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Galaxy Life on the Steam Deck (though some functionality may be limited).
| Release Date | 8/31/2022 |
| Developer | Phoenix Network |
| Publisher | Phoenix Network |
| Steam App Id | 1927780 |
6. Realm Grinder
Grow your realm, build alliances, and explore one of the deepest idle RPGs ever!
Realm Grinder has achieved a Player Score of 84, placing it in the #6 spot for the best free City Builder games. Its score was calculated by analyzing a total of 7,351 reviews on Steam. This breaks down to a total of 6,384 positive reviews and 967 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 6/15/2017 |
| Franchise | Kongregate |
| Developer | Divine Games |
| Publisher | Kongregate |
| Steam App Id | 610080 |
7. Cividle
CivIdle is an idle/incremental game that allows you to lead your own civilization through thousands of years from ancient times to the modern era. Expand your territory, explore a vast tech tree, build various wonders, and trade with global players: empire must grow and numbers must go up!
Cividle has achieved a Player Score of 72, placing it in the #7 spot for the best free City Builder games. Its score was calculated by analyzing a total of 970 reviews on Steam. This breaks down to a total of 726 positive reviews and 244 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Cividle on the Steam Deck (though some functionality may be limited).
| Release Date | 12/5/2025 |
| Franchise | Fish Pond Studio |
| Developers | |
| Publisher | Fish Pond Studio |
| Steam App Id | 2181940 |
8. 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 #8 spot for the best free City Builder games. Its score was calculated by analyzing a total of 9,485 reviews on Steam. This breaks down to a total of 6,059 positive reviews and 3,426 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 | 2/27/2012 |
| Franchise | Firefly Studios |
| Developer | FireFly Studios |
| Publisher | FireFly Studios |
| Steam App Id | 47410 |
9. Zoo 2: Animal Park
Zoo 2: Animal Park – Take care of wild and tame zoo animals in this animal game!
Zoo 2: Animal Park has achieved a Player Score of 75, placing it in the #9 spot for the best free City Builder games. Its score was calculated by analyzing a total of 1,626 reviews on Steam. This breaks down to a total of 1,270 positive reviews and 356 negative reviews — making it "Mostly 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.
10. Bloons Monkey City
Create, upgrade, and customize your very own Bloons Monkey City in this groundbreaking blend of city building and tower defense awesomeness!
Bloons Monkey City has achieved a Player Score of 88, placing it in the #10 spot for the best free City Builder games. Its score was calculated by analyzing a total of 6,580 reviews on Steam. This breaks down to a total of 5,993 positive reviews and 587 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Bloons Monkey City on the Steam Deck (though some functionality may be limited).
| Release Date | 4/10/2020 |
| Franchise | Ninja Kiwi Games |
| Developer | Ninja Kiwi |
| Publisher | Ninja Kiwi |
| Steam App Id | 1252780 |
More Free City Builder Games
Explore even more rankings for the 100 best free City Builder games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 20,803 | 1/17/2026 | 67 | Free | Steam Charts | |
| 3,603 | 10/15/2020 | 84 | Free | Steam Charts | |
| 717 | 9/18/2014 | 71 | Free | Steam Charts | |
| 617 | 12/11/2017 | 61 | Free | Steam Charts | |
| 487 | 8/31/2022 | 89 | Free | Steam Charts | |
| 473 | 6/15/2017 | 84 | Free | Steam Charts | |
| 467 | 12/5/2025 | 72 | Free | Steam Charts | |
| 310 | 2/27/2012 | 63 | Free | Steam Charts | |
| 263 | 8/24/2020 | 75 | Free | Steam Charts | |
| 202 | 4/10/2020 | 88 | Free | Steam Charts | |
 | 187 | 11/30/2021 | 68 | Free | Steam Charts | |
 | 176 | 8/2/2023 | 56 | Free | Steam Charts | |
 | 152 | 2/27/2018 | 55 | Free | Steam Charts | |
 | 144 | 9/4/2024 | 68 | Free | Steam Charts | |
 | 141 | 8/10/2021 | 67 | Free | Steam Charts | |
 | 137 | 5/16/2022 | 61 | Free | Steam Charts | |
 | 129 | 7/30/2025 | 83 | Free | Steam Charts | |
 | 118 | 3/28/2025 | 82 | Free | Steam Charts | |
 | 101 | 7/17/2025 | 78 | Free | Steam Charts | |
 | 98 | 11/15/2023 | 80 | 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. (2026, March 26). Steam Store. Steam Store.
- Valve Corporation. (2026, March 26). Heartopia on Steam. Steam Store.
- Valve Corporation. (2026, March 27). Age of Empires III: Definitive Edition on Steam. Steam Store.
- Valve Corporation. (2026, March 27). Battle Nations on Steam. Steam Store.
- Valve Corporation. (2026, March 26). March of Empires on Steam. Steam Store.
- Valve Corporation. (2026, March 21). Galaxy Life on Steam. Steam Store.
- Valve Corporation. (2026, March 24). Realm Grinder on Steam. Steam Store.
- Valve Corporation. (2026, March 23). Cividle on Steam. Steam Store.
- Valve Corporation. (2026, February 17). Stronghold Kingdoms on Steam. Steam Store.
- Valve Corporation. (2026, March 23). Zoo 2: Animal Park on Steam. Steam Store.
- Valve Corporation. (2026, February 13). Bloons Monkey City on Steam. Steam Store.