Free Building Games on Steam
Steam currently has 6,195 Building 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 Building game rankings were last updated on 10/15/2025.
Looking for more? Explore other lists such as:
- Best building games on Steam
- Best building Steam Deck games
- Best building Steam games for Mac OS
- Best building Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
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 holds the #1 spot for "best free Building game on Steam" with a Player Score of 86. Its score was calculated by analyzing a total of 179,976 reviews on Steam. This breaks down to a total of 156,654 positive reviews and 23,322 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 The Sims™ 4 on the Steam Deck (though some functionality may be limited).
| Release Date | 6/18/2020 |
| Franchise | The Sims |
| Developer | Maxis |
| Publisher | Electronic Arts |
| Steam App Id | 1222670 |
2. tModLoader
Dig, Fight, and Build your way through the world of player-created mods on Terraria with tModLoader - this DLC makes modding Terraria a reality!
tModLoader has achieved a Player Score of 96, placing it in the #2 spot for the best free Building games. Its score was calculated by analyzing a total of 331,481 reviews on Steam. This breaks down to a total of 321,830 positive reviews and 9,651 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play tModLoader on the Steam Deck (though some functionality may be limited).
3. Palia
Discover a welcoming world in Palia, a free-to-play fantasy life sim adventure where you can craft, explore, and create the life and home of your dreams. With nearly endless ways to make Palia your home, you’ll find relaxation and joy in every corner of this vibrant, heartwarming world.
Palia has achieved a Player Score of 84, placing it in the #3 spot for the best free Building games. Its score was calculated by analyzing a total of 34,942 reviews on Steam. This breaks down to a total of 29,981 positive reviews and 4,961 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 Palia on the Steam Deck (though some functionality may be limited).
| Release Date | 3/25/2024 |
| Developer | Singularity 6 Corporation |
| Publisher | Singularity 6 Corporation |
| Steam App Id | 2707930 |
4. Blender
Blender is the free and open source 3D creation suite. Free to use for everyone, for any purpose.
Blender has achieved a Player Score of 95, placing it in the #4 spot for the best free Building games. Its score was calculated by analyzing a total of 78,047 reviews on Steam. This breaks down to a total of 75,109 positive reviews and 2,938 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is not possible to play or run Blender on the Steam Deck.
| Release Date | 4/24/2015 |
| Developer | Blender Foundation |
| Publisher | Blender Foundation |
| Steam App Id | 365670 |
5. Supermarket Together
The multiplayer supermarket has arrived to your neighbourhood for free! Stock your shop space, unlock perks and franchises, hire employees or chase those pesky shoplifters. The more players, the more action!
Supermarket Together has achieved a Player Score of 93, placing it in the #5 spot for the best free Building games. Its score was calculated by analyzing a total of 77,107 reviews on Steam. This breaks down to a total of 73,002 positive reviews and 4,105 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 Supermarket Together on the Steam Deck (though some functionality may be limited).
| Release Date | 8/9/2024 |
| Developer | DeadDevsTellNoLies |
| Publisher | DeadDevsTellNoLies |
| Steam App Id | 2709570 |
6. Infinity Nikki
Embark on a cozy open-world adventure filled with vast landscape, mystical puzzles and unexpected platforming challenges. Dress up not just for style, but to unravel hidden mysteries, interact with a vibrant environment, and experience the freedom to explore at your own pace.
Infinity Nikki has achieved a Player Score of 45, placing it in the #6 spot for the best free Building games. Its score was calculated by analyzing a total of 7,358 reviews on Steam. This breaks down to a total of 3,263 positive reviews and 4,095 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Infinity Nikki on the Steam Deck (though some functionality may be limited).
| Release Date | 4/28/2025 |
| Developer | Infold Games |
| Publisher | Infold Games |
| Steam App Id | 3164330 |
7. Idle Hero TD - Tower Defense
Endless idle tower defense game full of deep strategy and combat mechanics. Unlock and upgrade dozens of epic fantasy heroes to defeat an infinite swarm of enemy monsters. Strategize hero positions, synergies, and skills for an effective defense, then sit back and let the auto-battler do its thing!
Idle Hero TD - Tower Defense has achieved a Player Score of 79, placing it in the #7 spot for the best free Building games. Its score was calculated by analyzing a total of 835 reviews on Steam. This breaks down to a total of 693 positive reviews and 142 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 Idle Hero TD - Tower Defense on the Steam Deck (though some functionality may be limited).
| Release Date | 5/3/2024 |
| Developer | Swell Games LLC |
| Publisher | Swell Games LLC |
| Steam App Id | 2897580 |
8. Crossout
Crossout - the postapocalyptic MMO action game where you can create a unique design for an armoured vehicle from dozens of parts and then drive it into multiplayer battles raging on land and in the skies alike.
Crossout has achieved a Player Score of 74, placing it in the #8 spot for the best free Building games. Its score was calculated by analyzing a total of 65,615 reviews on Steam. This breaks down to a total of 49,253 positive reviews and 16,362 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Crossout on the Steam Deck (though some functionality may be limited).
| Release Date | 7/27/2017 |
| Franchise | Gaijin Network Ltd |
| Developer | Targem Games |
| Publishers | |
| Steam App Id | 386180 |
9. Fallout Shelter
Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland.
Fallout Shelter has achieved a Player Score of 87, placing it in the #9 spot for the best free Building games. Its score was calculated by analyzing a total of 75,837 reviews on Steam. This breaks down to a total of 67,056 positive reviews and 8,781 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 | 3/29/2017 |
| Developer | Bethesda Game Studios |
| Publisher | Bethesda Softworks |
| Steam App Id | 588430 |
10. Muck
Muck is a survival-roguelike. Collect resources, find items & build a base to survive for as long as you can.
Muck has achieved a Player Score of 92, placing it in the #10 spot for the best free Building games. Its score was calculated by analyzing a total of 178,366 reviews on Steam. This breaks down to a total of 166,767 positive reviews and 11,599 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Muck on the Steam Deck (though some functionality may be limited).
More Free Building Games
Explore even more rankings for the 100 best free Building games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 24,016 | 6/18/2020 | 86 | Free | Steam Charts | |
| 16,037 | 5/16/2020 | 96 | Free | Steam Charts | |
| 9,500 | 3/25/2024 | 84 | Free | Steam Charts | |
| 9,121 | 4/24/2015 | 95 | Free | Steam Charts | |
| 5,467 | 8/9/2024 | 93 | Free | Steam Charts | |
| 2,148 | 4/28/2025 | 45 | Free | Steam Charts | |
| 1,427 | 5/3/2024 | 79 | Free | Steam Charts | |
| 1,308 | 7/27/2017 | 74 | Free | Steam Charts | |
| 1,178 | 3/29/2017 | 87 | Free | Steam Charts | |
| 870 | 6/5/2021 | 92 | Free | Steam Charts | |
 | 851 | 5/17/2023 | 54 | Free | Steam Charts | |
 | 823 | 10/1/2020 | 90 | Free | Steam Charts | |
 | 721 | 5/2/2022 | 86 | Free | Steam Charts | |
 | 544 | 6/15/2017 | 84 | Free | Steam Charts | |
 | 415 | 2/27/2012 | 63 | Free | Steam Charts | |
 | 354 | 2/16/2024 | 72 | Free | Steam Charts | |
 | 339 | 6/14/2023 | 54 | Free | Steam Charts | |
 | 321 | 8/13/2025 | 62 | Free | Steam Charts | |
 | 295 | 6/20/2017 | 76 | Free | Steam Charts | |
 | 272 | 5/6/2021 | 88 | 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, October 15). Steam Store. Steam Store.
- Valve Corporation. (2025, October 15). The Sims™ 4 on Steam. Steam Store.
- Valve Corporation. (2025, October 16). tModLoader on Steam. Steam Store.
- Valve Corporation. (2025, October 10). Palia on Steam. Steam Store.
- Valve Corporation. (2025, October 16). Blender on Steam. Steam Store.
- Valve Corporation. (2025, October 16). Supermarket Together on Steam. Steam Store.
- Valve Corporation. (2025, October 13). Infinity Nikki on Steam. Steam Store.
- Valve Corporation. (2025, October 16). Idle Hero TD - Tower Defense on Steam. Steam Store.
- Valve Corporation. (2025, October 16). Crossout on Steam. Steam Store.
- Valve Corporation. (2025, October 15). Fallout Shelter on Steam. Steam Store.
- Valve Corporation. (2025, September 23). Muck on Steam. Steam Store.