Free Sandbox Games on Steam
Steam currently has 7,729 Sandbox 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 Sandbox game rankings were last updated on 10/14/2025.
Looking for more? Explore other lists such as:
- Best sandbox games on Steam
- Best sandbox Steam Deck games
- Best sandbox Steam games for Mac OS
- Best sandbox Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. VRChat
Join our growing community as you explore, play, and help craft the future of social VR. Create worlds and custom avatars. Welcome to VRChat.
VRChat holds the #1 spot for "best free Sandbox game on Steam" with a Player Score of 75. Its score was calculated by analyzing a total of 248,133 reviews on Steam. This breaks down to a total of 187,069 positive reviews and 61,064 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.
| Release Date | 2/1/2017 |
| Developer | VRChat Inc. |
| Publisher | VRChat Inc. |
| Steam App Id | 438100 |
2. 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 has achieved a Player Score of 86, placing it in the #2 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 179,897 reviews on Steam. This breaks down to a total of 156,587 positive reviews and 23,310 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 |
3. 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 #3 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 331,334 reviews on Steam. This breaks down to a total of 321,691 positive reviews and 9,643 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).
4. skate.
Experience improved Flick-It controls, the rich physics based skateboarding gameplay that provides those “only in skate.™“ moments and off-board exploration for full freedom in the online multiplayer world of San Vansterdam.
skate. has achieved a Player Score of 68, placing it in the #4 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 57,131 reviews on Steam. This breaks down to a total of 39,015 positive reviews and 18,116 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 skate. on the Steam Deck.
| Release Date | 9/16/2025 |
| Franchise | Electronic Arts |
| Developer | Full Circle |
| Publisher | Electronic Arts |
| Steam App Id | 3354750 |
5. 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 #5 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 78,013 reviews on Steam. This breaks down to a total of 75,080 positive reviews and 2,933 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 |
6. Unturned
You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living.
Unturned has achieved a Player Score of 90, placing it in the #6 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 557,924 reviews on Steam. This breaks down to a total of 508,311 positive reviews and 49,613 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 Unturned on the Steam Deck (though some functionality may be limited).
| Release Date | 7/7/2017 |
| Developer | Smartly Dressed Games |
| Publisher | Smartly Dressed Games |
| Steam App Id | 304930 |
7. Upload Labs
A sci-fi management game where you build and optimize your computer's system from the ground up. Connect and configure interconnected nodes to efficiently download, process, and upload files. Manage your setup, solve system challenges, and become the ultimate system architect
Upload Labs has achieved a Player Score of 80, placing it in the #7 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 1,040 reviews on Steam. This breaks down to a total of 880 positive reviews and 160 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 10/3/2025 |
| Developer | EnigmaDev Studios |
| Publisher | EnigmaDev Studios |
| Steam App Id | 3606890 |
8. IdleOn
Create a guild of heroes who keep fighting, even while you're gone! Spend their loot on upgrades, unlock new classes, and level up 19 unique skills! Each World Boss you defeat unlocks new content, so there's always something new to play!
IdleOn has achieved a Player Score of 78, placing it in the #8 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 23,349 reviews on Steam. This breaks down to a total of 18,631 positive reviews and 4,718 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 IdleOn on the Steam Deck (though some functionality may be limited).
| Release Date | 4/2/2021 |
| Developer | Lavaflame2 |
| Publisher | Lavaflame2 |
| Steam App Id | 1476970 |
9. Albion Online
Albion Online is a fantasy sandbox MMORPG featuring a player-driven economy, classless combat system, and intense PvP battles. Explore a vast open world full of danger and opportunity. Grow your wealth, forge alliances, and leave your mark on the world of Albion.
Albion Online has achieved a Player Score of 78, placing it in the #9 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 86,312 reviews on Steam. This breaks down to a total of 67,934 positive reviews and 18,378 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 Albion Online on the Steam Deck (though some functionality may be limited).
| Release Date | 5/16/2018 |
| Developer | Sandbox Interactive GmbH |
| Publisher | Sandbox Interactive GmbH |
| Steam App Id | 761890 |
10. 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 #10 spot for the best free Sandbox 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 |
More Free Sandbox Games
Explore even more rankings for the 100 best free Sandbox games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 23,790 | 2/1/2017 | 75 | Free | Steam Charts | |
| 15,526 | 6/18/2020 | 86 | Free | Steam Charts | |
| 15,520 | 5/16/2020 | 96 | Free | Steam Charts | |
| 11,665 | 9/16/2025 | 68 | Free | Steam Charts | |
| 10,396 | 4/24/2015 | 95 | Free | Steam Charts | |
| 9,034 | 7/7/2017 | 90 | Free | Steam Charts | |
| 7,960 | 10/3/2025 | 80 | Free | Steam Charts | |
| 6,433 | 4/2/2021 | 78 | Free | Steam Charts | |
| 5,078 | 5/16/2018 | 78 | Free | Steam Charts | |
| 2,830 | 8/9/2024 | 93 | Free | Steam Charts | |
 | 2,588 | 11/3/2021 | 88 | Free | Steam Charts | |
 | 2,539 | 12/15/2010 | 72 | Free | Steam Charts | |
 | 2,236 | 4/6/2020 | 67 | Free | Steam Charts | |
 | 1,573 | 4/28/2025 | 45 | Free | Steam Charts | |
 | 998 | 7/27/2017 | 74 | Free | Steam Charts | |
 | 944 | 3/29/2017 | 87 | Free | Steam Charts | |
 | 866 | 2/14/2012 | 89 | Free | Steam Charts | |
 | 791 | 10/1/2020 | 90 | Free | Steam Charts | |
 | 632 | 7/10/2012 | 91 | Free | Steam Charts | |
 | 563 | 7/9/2015 | 79 | 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 14). Steam Store. Steam Store.
- Valve Corporation. (2025, October 14). VRChat on Steam. Steam Store.
- Valve Corporation. (2025, October 15). The Sims™ 4 on Steam. Steam Store.
- Valve Corporation. (2025, October 14). tModLoader on Steam. Steam Store.
- Valve Corporation. (2025, October 16). skate. on Steam. Steam Store.
- Valve Corporation. (2025, October 16). Blender on Steam. Steam Store.
- Valve Corporation. (2025, October 15). Unturned on Steam. Steam Store.
- Valve Corporation. (2025, October 15). Upload Labs on Steam. Steam Store.
- Valve Corporation. (2025, October 15). IdleOn on Steam. Steam Store.
- Valve Corporation. (2025, October 14). Albion Online on Steam. Steam Store.
- Valve Corporation. (2025, October 10). Supermarket Together on Steam. Steam Store.