Free to Play Building Games on Steam
Check out this fantastic list of free-to-play building games you can enjoy on Steam right now, updated on September 17th 2025. Looking for even more free titles? Explore the complete list of the best free to play building games.
Lists & Categories
1. The Sims™ 4
Play with life and discover the possibilities. Unleash your imagination and create a world of Sims that’s wholly unique. Explore and customize every detail from Sims to homes–and much more. The Sims™ 4 is a game developed and published by . Released on June 18th 2020 has received 170,727 reviews of which 149,064 were positive and 21,663 were negative resulting in a rating of 8.6 out of 10. The game has hit the top spot as the #1 most played building game, thanks to its 23,303 peak concurrent players over the last day.
8.6
149,064
21,663
23,303
players
2. Muck
Muck is a survival-roguelike. Collect resources, find items & build a base to survive for as long as you can. Muck is a game developed and published by . Released on June 05th 2021 has received 177,776 reviews of which 166,261 were positive and 11,515 were negative resulting in an impressive rating of 9.2 out of 10. While seeing 595 players online at once in the last 24 hours, this game is currently ranked #2 among building games based on player count.
9.2
166,261
11,515
595
players
3. OpenTTD
OpenTTD is a business simulation game in which players earn money by transporting passengers and cargo via road, rail, water, and air. It is an open-source remake and expansion of the 1995 Chris Sawyer video game Transport Tycoon Deluxe. OpenTTD is a game developed and published by . Released on April 01st 2021 has received 14,394 reviews of which 13,845 were positive and 549 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 454 players online at once in the last 24 hours, this game is currently ranked #3 among building games based on player count.
9.4
13,845
549
454
players
4. Resonite
Enter a novel digital universe with infinite possibilities. Whether you resonate with people around the world in a casual conversation, playing games and socializing or you riff off each other when creating anything from art to programming complex games, you'll find your place here. Resonite is a game developed and published by . Released on October 06th 2023 has received 1,314 reviews of which 1,074 were positive and 240 were negative resulting in a rating of 7.8 out of 10. With 157 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played building games.
7.8
1,074
240
157
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 game developed and published by . Released on November 30th 2021 has received 1,243 reviews of which 870 were positive and 373 were negative resulting in a rating of 6.8 out of 10. With 147 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played building games.
6.8
870
373
147
players
6. Infinitode 2 - Infinite Tower Defense
Infinitode 2 - a strategy in the Tower Defense genre, in which the player will have to build towers to protect his base from endless waves of enemies. The game features huge maps, lots of towers, resource miners, upgrade tree and map editor. Infinitode 2 - Infinite Tower Defense is a game developed and published by . Released on May 06th 2021 has received 3,674 reviews of which 3,354 were positive and 320 were negative resulting in a rating of 8.8 out of 10. With 142 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played building games.
8.8
3,354
320
142
players
7. War Planet Online: Global Conquest
Build your army, dominate your region and lead your alliance to conquer the globe! War Planet Online: Global Conquest is a game developed and published by . Released on December 19th 2017 has received 911 reviews of which 579 were positive and 332 were negative resulting in a rating of 6.2 out of 10. With 142 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played building games.
6.2
579
332
142
players
8. Screw Drivers
Crazy physics and high-speed races! Craft vehicles cleverly by combining building blocks and mechanical parts to create powerful drivetrains. Unlock new parts, race for the gold, and challenge your friends in multiplayer. Screw Drivers is a game developed and published by . Released on June 20th 2024 has received 4,573 reviews of which 3,931 were positive and 642 were negative resulting in a rating of 8.3 out of 10. With 127 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played building games.
8.3
3,931
642
127
players
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 is a game developed and published by . 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 120 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played building games.
7.6
1,158
312
120
players
10. 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 game developed and published by . 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 #10 spot among the most played building games.
6.1
415
247
40
players
More Building & Related Games
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