Free Sandbox Games on Steam
Steam currently has 7,215 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 6/27/2025.
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 241,749 reviews on Steam. This breaks down to a total of 182,621 positive reviews and 59,128 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. 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 Sandbox games. Its score was calculated by analyzing a total of 317,118 reviews on Steam. This breaks down to a total of 307,954 positive reviews and 9,164 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. 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 #3 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 172,235 reviews on Steam. This breaks down to a total of 150,384 positive reviews and 21,851 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 |
4. IdleOn - The Idle RPG
Create your own heroes who keep playing after you close the game! When you return, spend their loot on upgrades and powerful synergies — each BOSS you defeat unlocks new content, so you won't reach endgame without a fight!
IdleOn - The Idle RPG has achieved a Player Score of 78, placing it in the #4 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 22,190 reviews on Steam. This breaks down to a total of 17,648 positive reviews and 4,542 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 - The Idle RPG on the Steam Deck (though some functionality may be limited).
| Release Date | 4/2/2021 |
| Developer | Lavaflame2 |
| Publisher | Lavaflame2 |
| Steam App Id | 1476970 |
5. 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 #5 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 555,777 reviews on Steam. This breaks down to a total of 506,780 positive reviews and 48,997 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 |
6. 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 #6 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 73,628 reviews on Steam. This breaks down to a total of 70,898 positive reviews and 2,730 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 |
7. 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 #7 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 83,536 reviews on Steam. This breaks down to a total of 65,901 positive reviews and 17,635 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 |
8. Conqueror's Blade
Conqueror's Blade gives you a chance to be a true warlord. Commanding medieval troops in epic 15 vs. 15 siege battles, conquering cities with allies in the open world or fighting against players from all over the world – it's you who make the choice.
Conqueror's Blade has achieved a Player Score of 68, placing it in the #8 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 34,684 reviews on Steam. This breaks down to a total of 23,729 positive reviews and 10,955 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Conqueror's Blade on the Steam Deck (though some functionality may be limited).
| Release Date | 4/6/2020 |
| Developer | Booming Tech |
| Publisher | Poros Interactive |
| Steam App Id | 835570 |
9. 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 #9 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 69,429 reviews on Steam. This breaks down to a total of 65,879 positive reviews and 3,550 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 |
10. EVE Online
EVE Online is a free-to-play community driven space MMO where players can choose their own path from countless different options. Experience space exploration, immense PvP and PvE battles, mining, industry and a thriving player economy in an ever-expanding sandbox.
EVE Online has achieved a Player Score of 73, placing it in the #10 spot for the best free Sandbox games. Its score was calculated by analyzing a total of 36,546 reviews on Steam. This breaks down to a total of 26,906 positive reviews and 9,640 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play EVE Online on the Steam Deck (though some functionality may be limited).
More Free Sandbox Games
Explore even more rankings for the 100 best free Sandbox games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 46,991 | 2/1/2017 | 75 | Free | Steam Charts | |
| 33,736 | 5/16/2020 | 96 | Free | Steam Charts | |
| 25,382 | 6/18/2020 | 86 | Free | Steam Charts | |
| 13,580 | 4/2/2021 | 78 | Free | Steam Charts | |
| 12,330 | 7/7/2017 | 90 | Free | Steam Charts | |
| 7,717 | 4/24/2015 | 95 | Free | Steam Charts | |
| 7,473 | 5/16/2018 | 78 | Free | Steam Charts | |
| 4,976 | 4/6/2020 | 68 | Free | Steam Charts | |
| 4,070 | 8/9/2024 | 93 | Free | Steam Charts | |
| 3,158 | 12/15/2010 | 73 | Free | Steam Charts | |
 | 2,722 | 11/3/2021 | 88 | Free | Steam Charts | |
 | 1,294 | 7/26/2017 | 74 | Free | Steam Charts | |
 | 1,157 | 3/29/2017 | 87 | Free | Steam Charts | |
 | 1,074 | 2/14/2012 | 89 | Free | Steam Charts | |
 | 974 | 8/2/2013 | 84 | Free | Steam Charts | |
 | 903 | 7/10/2012 | 91 | Free | Steam Charts | |
 | 880 | 4/25/2025 | 63 | Free | Steam Charts | |
 | 844 | 9/2/2021 | 88 | Free | Steam Charts | |
 | 776 | 7/15/2019 | 69 | Free | Steam Charts | |
 | 696 | 9/1/2022 | 57 | 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, June 27). Steam Store. Steam Store.
- Valve Corporation. (2025, June 27). VRChat on Steam. Steam Store.
- Valve Corporation. (2025, June 24). tModLoader on Steam. Steam Store.
- Valve Corporation. (2025, June 26). The Sims™ 4 on Steam. Steam Store.
- Valve Corporation. (2025, June 24). IdleOn - The Idle RPG on Steam. Steam Store.
- Valve Corporation. (2025, June 27). Unturned on Steam. Steam Store.
- Valve Corporation. (2025, June 29). Blender on Steam. Steam Store.
- Valve Corporation. (2025, May 26). Albion Online on Steam. Steam Store.
- Valve Corporation. (2025, June 27). Conqueror's Blade on Steam. Steam Store.
- Valve Corporation. (2025, June 25). Supermarket Together on Steam. Steam Store.
- Valve Corporation. (2025, June 28). EVE Online on Steam. Steam Store.