Free Open World Games on Steam
Steam currently has 10,898 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 3/14/2026.
Looking for more? Explore other lists such as:
- Best open world games on Steam
- Best open world Steam Deck games
- Best open world Steam games for Mac OS
- Best open world Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. 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 holds the #1 spot for "best free Open World game on Steam" with a Player Score of 77. Its score was calculated by analyzing a total of 374,466 reviews on Steam. This breaks down to a total of 288,765 positive reviews and 85,701 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 |
2. 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 has achieved a Player Score of 58, placing it in the #2 spot for the best free Open World games. Its score was calculated by analyzing a total of 175,899 reviews on Steam. This breaks down to a total of 102,780 positive reviews and 73,119 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 |
3. 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 #3 spot for the best free Open World games. Its score was calculated by analyzing a total of 258,493 reviews on Steam. This breaks down to a total of 194,764 positive reviews and 63,729 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 |
4. 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 #4 spot for the best free Open World games. Its score was calculated by analyzing a total of 95,309 reviews on Steam. This breaks down to a total of 78,026 positive reviews and 17,283 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 |
5. The Seven Deadly Sins: Origin
<The Seven Deadly Sins: Origin> is an open-world anime RPG set in the universe of [The Seven Deadly Sins]. Step into the role of Prince Tristan of Liones and explore an open-world Britannia, as you embark on a journey to restore order to a world thrown into chaos by the collision of time and space.
The Seven Deadly Sins: Origin has achieved a Player Score of 52, placing it in the #5 spot for the best free Open World games. Its score was calculated by analyzing a total of 3,755 reviews on Steam. This breaks down to a total of 1,942 positive reviews and 1,813 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 3/16/2026 |
| Developer | Netmarble F&C |
| Publisher | Netmarble |
| Steam App Id | 3679080 |
6. Where Winds Meet
Where Winds Meet is an epic Wuxia open-world action-adventure RPG set in ancient China at the tenth century. Players will assume the role of a young sword master as they embark on a journey to uncover the mysteries of their own identity. Let the wind carry your legend on an epic journey to the East!
Where Winds Meet has achieved a Player Score of 86, placing it in the #6 spot for the best free Open World games. Its score was calculated by analyzing a total of 104,134 reviews on Steam. This breaks down to a total of 90,898 positive reviews and 13,236 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 Where Winds Meet on the Steam Deck (though some functionality may be limited).
| Release Date | 11/14/2025 |
| Developer | Everstone Studio |
| Publisher | NetEase Games |
| Steam App Id | 3564740 |
7. 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 65, placing it in the #7 spot for the best free Open World games. Its score was calculated by analyzing a total of 14,794 reviews on Steam. This breaks down to a total of 9,675 positive reviews and 5,119 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 |
8. 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 77, placing it in the #8 spot for the best free Open World games. Its score was calculated by analyzing a total of 166,464 reviews on Steam. This breaks down to a total of 128,631 positive reviews and 37,833 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 |
| Publishers | |
| Steam App Id | 2139460 |
9. Fish Idle 2: Underwater Mystery
Dive into the most fun idle fishing arcade game! Manage your Fish Kingdoms with automated fishing, upgrade your boat and gear, invest in passive income, and outsmart the market. Become the ultimate fish tycoon!
Fish Idle 2: Underwater Mystery 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 1,505 reviews on Steam. This breaks down to a total of 988 positive reviews and 517 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Fish Idle 2: Underwater Mystery on the Steam Deck (though some functionality may be limited).
| Release Date | 11/15/2024 |
| Developer | Multicast |
| Publisher | MulticastGames |
| Steam App Id | 3037410 |
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 560,996 reviews on Steam. This breaks down to a total of 510,932 positive reviews and 50,064 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 | ||||
|---|---|---|---|---|---|---|
| 80,423 | 12/6/2024 | 77 | Free | Steam Charts | |
| 55,249 | 12/4/2024 | 58 | Free | Steam Charts | |
| 46,349 | 2/1/2017 | 75 | Free | Steam Charts | |
| 29,062 | 4/23/2024 | 81 | Free | Steam Charts | |
| 28,211 | 3/16/2026 | 52 | Free | Steam Charts | |
| 15,663 | 11/14/2025 | 86 | Free | Steam Charts | |
| 10,757 | 8/25/2021 | 65 | Free | Steam Charts | |
| 8,801 | 7/9/2024 | 77 | Free | Steam Charts | |
| 8,468 | 11/15/2024 | 64 | Free | Steam Charts | |
| 7,775 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 7,144 | 11/11/2021 | 58 | Free | Steam Charts | |
 | 6,570 | 3/25/2024 | 85 | Free | Steam Charts | |
 | 6,159 | 4/28/2025 | 88 | Free | Steam Charts | |
 | 6,151 | 10/1/2019 | 77 | Free | Steam Charts | |
 | 5,155 | 5/16/2018 | 78 | Free | Steam Charts | |
 | 5,039 | 8/27/2024 | 56 | Free | Steam Charts | |
 | 3,203 | 7/21/2020 | 88 | Free | Steam Charts | |
 | 2,849 | 12/16/2010 | 73 | Free | Steam Charts | |
 | 2,431 | 4/10/2024 | 85 | Free | Steam Charts | |
 | 1,995 | 10/21/2025 | 75 | 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. (2026, March 14). Steam Store. Steam Store.
- Valve Corporation. (2026, March 14). Marvel Rivals on Steam. Steam Store.
- Valve Corporation. (2026, March 18). Delta Force on Steam. Steam Store.
- Valve Corporation. (2026, March 18). VRChat on Steam. Steam Store.
- Valve Corporation. (2026, March 16). Banana on Steam. Steam Store.
- Valve Corporation. (2026, March 18). The Seven Deadly Sins: Origin on Steam. Steam Store.
- Valve Corporation. (2026, March 15). Where Winds Meet on Steam. Steam Store.
- Valve Corporation. (2026, March 17). MIR4 on Steam. Steam Store.
- Valve Corporation. (2026, March 12). Once Human on Steam. Steam Store.
- Valve Corporation. (2025, December 3). Fish Idle 2: Underwater Mystery on Steam. Steam Store.
- Valve Corporation. (2026, January 30). Unturned on Steam. Steam Store.