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Check out this fantastic list of free-to-play city builder games you can enjoy on Steam right now, updated on September 22nd 2026. Looking for even more free titles? Explore the complete list of the best free to play city builder games on Steam.
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1. Realm Grinder
Grow your realm, build alliances, and explore one of the deepest idle RPGs ever! Realm Grinder is a clicker, pixel graphics and strategy game. Released on June 15th 2017 has received 7,102 reviews of which 6,185 were positive and 917 were negative resulting in a rating of 8.5 out of 10. The game has hit the top spot as the #1 most played city builder game, thanks to its 331 peak concurrent players over the last day.
8.5
6,185
917
331
players
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 is a strategy, massively multiplayer and medieval game. Released on February 27th 2012 has received 9,341 reviews of which 5,975 were positive and 3,366 were negative resulting in a rating of 6.3 out of 10. While seeing 290 players online at once in the last 24 hours, this game is currently ranked #2 among city builder games based on player count.
6.3
5,975
3,366
290
players
3. 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 is a strategy, city builder and wargame game. Released on August 31st 2022 has received 8,593 reviews of which 7,871 were positive and 722 were negative resulting in a rating of 8.9 out of 10. While seeing 262 players online at once in the last 24 hours, this game is currently ranked #3 among city builder games based on player count.
8.9
7,871
722
262
players
4. 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 is a strategy, action and city builder game. Released on April 10th 2020 has received 6,222 reviews of which 5,676 were positive and 546 were negative resulting in a rating of 8.8 out of 10. With 199 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played city builder games.
8.8
5,676
546
199
players
5. Global City
Become the mayor and build the city of your dreams! In this game, anything is possible. Whatever you can imagine in a city-building and development simulator, you can do. Start from the very beginning and unlock new possibilities for developing your city in Global City! Global City is a city builder, resource management and economy game. Released on November 30th 2021 has received 1,432 reviews of which 991 were positive and 441 were negative resulting in a rating of 6.7 out of 10. With 157 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played city builder games.
6.7
991
441
157
players
6. Zoo 2: Animal Park
Zoo 2: Animal Park – Take care of wild and tame zoo animals in this animal game! Zoo 2: Animal Park is a casual, building and city builder game. Released on August 24th 2020 has received 1,470 reviews of which 1,158 were positive and 312 were negative resulting in a rating of 7.6 out of 10. With 106 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played city builder games.
7.6
1,158
312
106
players
7. California Escapades
In this simulation and adventure game, explore 19th-century Gold Rush California. Join Jim and Emma to build and manage your farm and city. Plant crops, raise animals, construct buildings, complete missions, uncover secrets, and collect treasures. Start your adventure now! California Escapades is a casual, simulation and strategy game. Released on September 03rd 2024 has received 351 reviews of which 250 were positive and 101 were negative resulting in a rating of 6.8 out of 10. The game currently holds the #7 spot among the most played city builder games.
6.8
250
101
100
players
8. Diplomacy is Not an Option: Shareware
Diplomacy is Not an Option: Shareware is a free prequel to the original game. In a medieval fantasy world, you are to build settlements, raise huge armies, and defend against massive hordes of enemies. Learn how Ironbrow clan shaped the world's map the first time - if you survive, that is. Diplomacy is Not an Option: Shareware is a strategy, city builder and colony sim game. Released on April 30th 2025 has received 816 reviews of which 752 were positive and 64 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #8 spot among the most played city builder games.
8.7
752
64
43
players
9. My Free Zoo
A small zoo needs your help! As the new manager, it's your job to boost business. Design the zoo of your dreams. From wolves and polar bears all the way to prehistoric beasts – the further you progress in the game, the more exotic the animals you'll be able to keep in your zoo. Play now and save the zoo! My Free Zoo is a casual, simulation and building game. Released on November 28th 2017 has received 662 reviews of which 415 were positive and 247 were negative resulting in a rating of 6.1 out of 10. The game currently holds the #9 spot among the most played city builder games.
6.1
415
247
33
players
10. Planet S
Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction. Planet S is a strategy, city builder and multiplayer game. Released on October 28th 2023 has received 2,894 reviews of which 2,656 were positive and 238 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #10 spot among the most played city builder games.
8.8
2,656
238
5
players
More City Builder & Related Games
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