Free Massively Multiplayer Games on Steam
Steam currently has 6,883 Massively Multiplayer 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 Massively Multiplayer game rankings were last updated on 1/23/2026.
Looking for more? Explore other lists such as:
- Best massively multiplayer games on Steam
- Best massively multiplayer Steam Deck games
- Best massively multiplayer Steam games for Mac OS
- Best massively multiplayer Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Bongo Cat
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
Bongo Cat holds the #1 spot for "best free Massively Multiplayer game on Steam" with a Player Score of 96. Its score was calculated by analyzing a total of 87,014 reviews on Steam. This breaks down to a total of 85,005 positive reviews and 2,009 negative reviews — making it "Overwhelmingly Positive" 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 | 3/5/2025 |
| Developers | |
| Publisher | Irox Games |
| Steam App Id | 3419430 |
2. Warframe
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game
Warframe has achieved a Player Score of 87, placing it in the #2 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 648,721 reviews on Steam. This breaks down to a total of 568,126 positive reviews and 80,595 negative reviews — making it "Very 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 | 3/25/2013 |
| Developer | Digital Extremes |
| Publisher | Digital Extremes |
| Steam App Id | 230410 |
3. War Thunder
War Thunder is the most comprehensive free-to-play, cross-platform, MMO military game dedicated to aviation, armoured vehicles, and naval craft, from the early 20th century to the most advanced modern combat units. Join now and take part in major battles on land, in the air, and at sea.
War Thunder has achieved a Player Score of 72, placing it in the #3 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 706,192 reviews on Steam. This breaks down to a total of 514,152 positive reviews and 192,040 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 8/15/2013 |
| Franchise | Gaijin Network Ltd |
| Developer | Gaijin Entertainment |
| Publishers | |
| Steam App Id | 236390 |
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 Massively Multiplayer games. Its score was calculated by analyzing a total of 255,226 reviews on Steam. This breaks down to a total of 192,378 positive reviews and 62,848 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. 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 87, placing it in the #5 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 98,131 reviews on Steam. This breaks down to a total of 86,215 positive reviews and 11,916 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Where Winds Meet on the Steam Deck.
| Release Date | 11/14/2025 |
| Developer | Everstone Studio |
| Publisher | NetEase Games |
| Steam App Id | 3564740 |
6. 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 #6 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 168,785 reviews on Steam. This breaks down to a total of 98,836 positive reviews and 69,949 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 |
7. World of Warships
Immerse yourself in thrilling naval battles and assemble an armada of over 600 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!
World of Warships has achieved a Player Score of 76, placing it in the #7 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 152,376 reviews on Steam. This breaks down to a total of 116,939 positive reviews and 35,437 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 World of Warships on the Steam Deck (though some functionality may be limited).
| Release Date | 11/15/2017 |
| Franchise | World of Warships Franchise |
| Developer | Wargaming Group Limited |
| Publisher | Wargaming Group Limited |
| Steam App Id | 552990 |
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 77, placing it in the #8 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 643,023 reviews on Steam. This breaks down to a total of 498,862 positive reviews and 144,161 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. 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 #9 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 162,763 reviews on Steam. This breaks down to a total of 125,482 positive reviews and 37,281 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 |
10. 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 #10 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 14,756 reviews on Steam. This breaks down to a total of 9,649 positive reviews and 5,107 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 |
More Free Massively Multiplayer Games
Explore even more rankings for the 100 best free Massively Multiplayer games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 106,311 | 3/5/2025 | 96 | Free | Steam Charts | |
| 74,552 | 3/25/2013 | 87 | Free | Steam Charts | |
| 45,380 | 8/15/2013 | 72 | Free | Steam Charts | |
| 41,725 | 2/1/2017 | 75 | Free | Steam Charts | |
| 37,393 | 11/14/2025 | 87 | Free | Steam Charts | |
| 27,243 | 12/4/2024 | 58 | Free | Steam Charts | |
| 23,328 | 11/15/2017 | 76 | Free | Steam Charts | |
| 19,790 | 10/1/2019 | 77 | Free | Steam Charts | |
| 13,889 | 7/9/2024 | 76 | Free | Steam Charts | |
| 10,916 | 8/25/2021 | 65 | Free | Steam Charts | |
 | 9,991 | 11/6/2025 | 79 | Free | Steam Charts | |
 | 9,716 | 5/16/2018 | 78 | Free | Steam Charts | |
 | 9,642 | 7/17/2025 | 54 | Free | Steam Charts | |
 | 9,171 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 7,941 | 8/27/2024 | 55 | Free | Steam Charts | |
 | 6,486 | 8/23/2022 | 87 | Free | Steam Charts | |
 | 5,384 | 7/21/2020 | 88 | Free | Steam Charts | |
 | 5,356 | 11/11/2021 | 57 | Free | Steam Charts | |
 | 5,324 | 10/23/2013 | 88 | Free | Steam Charts | |
 | 4,546 | 3/13/2025 | 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. (2026, January 23). Steam Store. Steam Store.
- Valve Corporation. (2026, January 23). Bongo Cat on Steam. Steam Store.
- Valve Corporation. (2026, January 26). Warframe on Steam. Steam Store.
- Valve Corporation. (2026, January 21). War Thunder on Steam. Steam Store.
- Valve Corporation. (2026, January 23). VRChat on Steam. Steam Store.
- Valve Corporation. (2026, January 22). Where Winds Meet on Steam. Steam Store.
- Valve Corporation. (2026, January 25). Delta Force on Steam. Steam Store.
- Valve Corporation. (2026, January 22). World of Warships on Steam. Steam Store.
- Valve Corporation. (2026, January 23). Destiny 2 on Steam. Steam Store.
- Valve Corporation. (2026, January 22). Once Human on Steam. Steam Store.
- Valve Corporation. (2026, January 20). MIR4 on Steam. Steam Store.