Free Open World Games on Steam
Steam currently has 10,030 Open World 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 Open World game rankings were last updated on 10/24/2025.
Looking for more? Explore other lists such as:
- Best open world games on Steam
- Best open world Steam Deck games
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- Best open world Linux games on Steam
- Free Steam games
- Most played Steam games
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1. Delta Force
Delta Force, a free-to-play 1st-person tactical shooter, returns as the latest in the classic series. With 25 years defining the genre, Delta Force is back with an upgraded arsenal of weaponry, jaw-dropping environments, and a truly dynamic world.
Delta Force holds the #1 spot for "best free Open World game on Steam" with a Player Score of 59. Its score was calculated by analyzing a total of 151,486 reviews on Steam. This breaks down to a total of 89,000 positive reviews and 62,486 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 Delta Force on the Steam Deck.
| Release Date | 12/4/2024 |
| Developers | |
| Publisher | TiMi Studio Group |
| Steam App Id | 2507950 |
2. Banana
Banana is a clicker Game, in which you click a Banana! In Banana you click the Banana to gain even more Bananas! Every 3 hours, you get dropped a banana. Each banana is also made by the community in discord. Come hang out with us and let's grow into something awesome !
Banana has achieved a Player Score of 81, placing it in the #2 spot for the best free Open World games. Its score was calculated by analyzing a total of 91,633 reviews on Steam. This breaks down to a total of 75,062 positive reviews and 16,571 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 4/23/2024 |
| Developers | |
| Publishers | |
| Steam App Id | 2923300 |
3. Marvel Rivals
Marvel Rivals is a Super Hero Team-Based PVP Shooter! Assemble an all-star Marvel squad, devise countless strategies by combining powers to form unique Team-Up skills and fight in destructible, ever-changing battlefields across the continually evolving Marvel universe!
Marvel Rivals has achieved a Player Score of 76, placing it in the #3 spot for the best free Open World games. Its score was calculated by analyzing a total of 324,615 reviews on Steam. This breaks down to a total of 249,719 positive reviews and 74,896 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 Marvel Rivals on the Steam Deck (though some functionality may be limited).
| Release Date | 12/6/2024 |
| Developer | NetEase Games |
| Publisher | NetEase Games |
| Steam App Id | 2767030 |
4. 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 has achieved a Player Score of 75, placing it in the #4 spot for the best free Open World games. Its score was calculated by analyzing a total of 248,502 reviews on Steam. This breaks down to a total of 187,315 positive reviews and 61,187 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 |
5. Blue Protocol: Star Resonance
Blue Protocol: Star Resonance expands the Blue Protocol universe with a vibrant MMORPG experience. Create your own hero, team up for strategic raids, or simply relax and have fun with friends fishing, crafting, and endless exploration. Adventure awaits!
Blue Protocol: Star Resonance has achieved a Player Score of 51, placing it in the #5 spot for the best free Open World games. Its score was calculated by analyzing a total of 15,207 reviews on Steam. This breaks down to a total of 7,802 positive reviews and 7,405 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 Blue Protocol: Star Resonance on the Steam Deck.
| Release Date | 10/9/2025 |
| Developer | Shanghai Bokura Network Technology Co.Ltd |
| Publisher | A Plus |
| Steam App Id | 3681810 |
6. Once Human
Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world.
Once Human has achieved a Player Score of 76, placing it in the #6 spot for the best free Open World games. Its score was calculated by analyzing a total of 153,189 reviews on Steam. This breaks down to a total of 117,009 positive reviews and 36,180 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Once Human on the Steam Deck.
| Release Date | 7/9/2024 |
| Developer | Starry Studio |
| Publisher | Starry Studio |
| Steam App Id | 2139460 |
7. Russian Fishing 4
Russian Fishing 4 is a fishing simulator with RPG elements. There is no story line and the whole process is based on the concept of an open, free to roam and free to play game.
Russian Fishing 4 has achieved a Player Score of 56, placing it in the #7 spot for the best free Open World games. Its score was calculated by analyzing a total of 77,856 reviews on Steam. This breaks down to a total of 43,396 positive reviews and 34,460 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Russian Fishing 4 on the Steam Deck (though some functionality may be limited).
| Release Date | 11/11/2021 |
| Developers | |
| Publishers | |
| Steam App Id | 766570 |
8. Destiny 2
Destiny 2 is an action MMO with a single evolving world that you and your friends can join anytime, anywhere, absolutely free.
Destiny 2 has achieved a Player Score of 78, placing it in the #8 spot for the best free Open World games. Its score was calculated by analyzing a total of 638,603 reviews on Steam. This breaks down to a total of 498,231 positive reviews and 140,372 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Destiny 2 on the Steam Deck.
9. MIR4
MIR4 is a free-to-play open world K-fantasy MMORPG that can be cross-played on both PC and mobile devices. MIR4 is full of action and features numerous large scale clan PVP battles. Join now and become a legend.
MIR4 has achieved a Player Score of 64, placing it in the #9 spot for the best free Open World games. Its score was calculated by analyzing a total of 14,694 reviews on Steam. This breaks down to a total of 9,596 positive reviews and 5,098 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 MIR4 on the Steam Deck.
| Release Date | 8/25/2021 |
| Developer | Wemade Next |
| Publisher | Wemade |
| Steam App Id | 1623660 |
10. 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 #10 spot for the best free Open World games. Its score was calculated by analyzing a total of 558,043 reviews on Steam. This breaks down to a total of 508,388 positive reviews and 49,655 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 |
More Free Open World Games
Explore even more rankings for the 100 best free Open World games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 198,219 | 12/4/2024 | 59 | Free | Steam Charts | |
| 100,029 | 4/23/2024 | 81 | Free | Steam Charts | |
| 67,873 | 12/6/2024 | 76 | Free | Steam Charts | |
| 45,319 | 2/1/2017 | 75 | Free | Steam Charts | |
| 28,401 | 10/9/2025 | 51 | Free | Steam Charts | |
| 25,086 | 7/9/2024 | 76 | Free | Steam Charts | |
| 17,122 | 11/11/2021 | 56 | Free | Steam Charts | |
| 15,274 | 10/1/2019 | 78 | Free | Steam Charts | |
| 15,015 | 8/25/2021 | 64 | Free | Steam Charts | |
| 11,653 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 11,196 | 4/28/2025 | 88 | Free | Steam Charts | |
 | 10,064 | 5/16/2018 | 78 | Free | Steam Charts | |
 | 7,956 | 3/25/2024 | 84 | Free | Steam Charts | |
 | 7,786 | 11/15/2024 | 64 | Free | Steam Charts | |
 | 5,492 | 4/6/2020 | 67 | Free | Steam Charts | |
 | 4,027 | 8/28/2017 | 85 | Free | Steam Charts | |
 | 3,970 | 12/15/2010 | 72 | Free | Steam Charts | |
 | 3,242 | 5/18/2023 | 54 | Free | Steam Charts | |
 | 3,040 | 7/21/2020 | 88 | Free | Steam Charts | |
 | 2,525 | 4/28/2025 | 45 | 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 24). Steam Store. Steam Store.
- Valve Corporation. (2025, October 24). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, October 13). Banana on Steam. Steam Store.
- Valve Corporation. (2025, October 23). Marvel Rivals on Steam. Steam Store.
- Valve Corporation. (2025, October 24). VRChat on Steam. Steam Store.
- Valve Corporation. (2025, October 23). Blue Protocol: Star Resonance on Steam. Steam Store.
- Valve Corporation. (2025, October 24). Once Human on Steam. Steam Store.
- Valve Corporation. (2025, October 17). Russian Fishing 4 on Steam. Steam Store.
- Valve Corporation. (2025, October 23). Destiny 2 on Steam. Steam Store.
- Valve Corporation. (2025, October 24). MIR4 on Steam. Steam Store.
- Valve Corporation. (2025, October 21). Unturned on Steam. Steam Store.