Free Open World Games on Steam
Steam currently has 9,912 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 9/30/2025.
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. 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 holds the #1 spot for "best free Open World game on Steam" with a Player Score of 81. Its score was calculated by analyzing a total of 91,346 reviews on Steam. This breaks down to a total of 74,870 positive reviews and 16,476 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 |
2. 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 77, placing it in the #2 spot for the best free Open World games. Its score was calculated by analyzing a total of 320,318 reviews on Steam. This breaks down to a total of 247,169 positive reviews and 73,149 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 |
3. 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 60, placing it in the #3 spot for the best free Open World games. Its score was calculated by analyzing a total of 143,038 reviews on Steam. This breaks down to a total of 86,722 positive reviews and 56,316 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 |
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 247,419 reviews on Steam. This breaks down to a total of 186,533 positive reviews and 60,886 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. 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 75, placing it in the #5 spot for the best free Open World games. Its score was calculated by analyzing a total of 149,113 reviews on Steam. This breaks down to a total of 113,170 positive reviews and 35,943 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 |
6. 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 #6 spot for the best free Open World games. Its score was calculated by analyzing a total of 1,254 reviews on Steam. This breaks down to a total of 831 positive reviews and 423 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 |
7. 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 #7 spot for the best free Open World games. Its score was calculated by analyzing a total of 636,357 reviews on Steam. This breaks down to a total of 498,976 positive reviews and 137,381 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.
8. 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 #8 spot for the best free Open World games. Its score was calculated by analyzing a total of 14,669 reviews on Steam. This breaks down to a total of 9,582 positive reviews and 5,087 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 |
9. 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 #9 spot for the best free Open World games. Its score was calculated by analyzing a total of 557,557 reviews on Steam. This breaks down to a total of 508,053 positive reviews and 49,504 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 |
10. 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 #10 spot for the best free Open World games. Its score was calculated by analyzing a total of 34,336 reviews on Steam. This breaks down to a total of 29,428 positive reviews and 4,908 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 |
More Free Open World Games
Explore even more rankings for the 100 best free Open World games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 97,360 | 4/23/2024 | 81 | Free | Steam Charts | |
| 77,278 | 12/6/2024 | 77 | Free | Steam Charts | |
| 47,644 | 12/4/2024 | 60 | Free | Steam Charts | |
| 32,606 | 2/1/2017 | 75 | Free | Steam Charts | |
| 20,937 | 7/9/2024 | 75 | Free | Steam Charts | |
| 17,857 | 11/15/2024 | 64 | Free | Steam Charts | |
| 17,441 | 10/1/2019 | 78 | Free | Steam Charts | |
| 14,532 | 8/25/2021 | 64 | Free | Steam Charts | |
| 11,920 | 7/7/2017 | 90 | Free | Steam Charts | |
| 8,996 | 3/25/2024 | 84 | Free | Steam Charts | |
 | 6,500 | 4/28/2025 | 88 | Free | Steam Charts | |
 | 6,491 | 5/16/2018 | 78 | Free | Steam Charts | |
 | 4,514 | 8/27/2024 | 56 | Free | Steam Charts | |
 | 3,839 | 11/11/2021 | 55 | Free | Steam Charts | |
 | 3,448 | 7/21/2020 | 88 | Free | Steam Charts | |
 | 3,412 | 10/14/2020 | 81 | Free | Steam Charts | |
 | 3,028 | 4/28/2025 | 44 | Free | Steam Charts | |
 | 2,867 | 12/15/2010 | 72 | Free | Steam Charts | |
 | 2,508 | 11/15/2021 | 69 | Free | Steam Charts | |
 | 1,851 | 8/28/2017 | 85 | 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, September 30). Steam Store. Steam Store.
- Valve Corporation. (2025, September 30). Banana on Steam. Steam Store.
- Valve Corporation. (2025, September 25). Marvel Rivals on Steam. Steam Store.
- Valve Corporation. (2025, September 30). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, September 29). VRChat on Steam. Steam Store.
- Valve Corporation. (2025, September 30). Once Human on Steam. Steam Store.
- Valve Corporation. (2025, September 30). Fish Idle 2: Underwater Mystery on Steam. Steam Store.
- Valve Corporation. (2025, September 30). Destiny 2 on Steam. Steam Store.
- Valve Corporation. (2025, September 30). MIR4 on Steam. Steam Store.
- Valve Corporation. (2025, September 29). Unturned on Steam. Steam Store.
- Valve Corporation. (2025, September 26). Palia on Steam. Steam Store.