Free Massively Multiplayer Games on Steam
Steam currently has 5,842 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 1/20/2025.
Looking for more? Explore other lists such as:
- Best massively multiplayer games on Steam
- Best massively multiplayer Steam Deck games
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- Best massively multiplayer Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
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 Massively Multiplayer game on Steam" with a Player Score of 69. Its score was calculated by analyzing a total of 65,130 reviews on Steam. This breaks down to a total of 45,647 positive reviews and 19,483 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 Delta Force on the Steam Deck.
| Release Date | 12/4/2024 |
| Developer | Team Jade |
| Publisher | TiMi Studio Group |
| Steam App Id | 2507950 |
2. 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 73, placing it in the #2 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 584,093 reviews on Steam. This breaks down to a total of 427,932 positive reviews and 156,161 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 |
3. 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 #3 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 605,799 reviews on Steam. This breaks down to a total of 529,610 positive reviews and 76,189 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 |
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 232,311 reviews on Steam. This breaks down to a total of 175,282 positive reviews and 57,029 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. Goose Goose Duck
Goose Goose Duck is a game of social deduction for up to 16 players. Players are separated into different groups that are each assigned a different objective. Complete your team’s objective to win!
Goose Goose Duck has achieved a Player Score of 86, placing it in the #5 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 69,696 reviews on Steam. This breaks down to a total of 60,547 positive reviews and 9,149 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Goose Goose Duck on the Steam Deck (though some functionality may be limited).
| Release Date | 10/3/2021 |
| Developer | Gaggle Studios, Inc. |
| Publisher | Gaggle Studios, Inc. |
| Steam App Id | 1568590 |
6. 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 52, placing it in the #6 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 69,765 reviews on Steam. This breaks down to a total of 36,177 positive reviews and 33,588 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 |
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 64, placing it in the #7 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 14,393 reviews on Steam. This breaks down to a total of 9,386 positive reviews and 5,007 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. STALCRAFT: X
STALCRAFT: X is the largest online game set in the open world of the Chernobyl Exclusion Zone. Dive into this universe, filled with mutants and anomalies alone or with friends — unforgettable experiences are guaranteed!
STALCRAFT: X has achieved a Player Score of 76, placing it in the #8 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 69,063 reviews on Steam. This breaks down to a total of 52,967 positive reviews and 16,096 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 STALCRAFT: X on the Steam Deck (though some functionality may be limited).
9. 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 79, placing it in the #9 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 617,676 reviews on Steam. This breaks down to a total of 493,228 positive reviews and 124,448 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.
10. Governor of Poker 3
Governor of Poker 3 is the best multiplayer poker game with a great design. In this multi-player version of Governor of Poker you compete live with thousands of real poker players to prove you are the number 1 Texas Hold ’em poker star!
Governor of Poker 3 has achieved a Player Score of 68, placing it in the #10 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 15,388 reviews on Steam. This breaks down to a total of 10,626 positive reviews and 4,762 negative reviews — making it "Mixed" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Governor of Poker 3 on the Steam Deck (though some functionality may be limited).
| Release Date | 2/19/2016 |
| Developers | |
| Publishers | |
| Steam App Id | 436150 |
More Free Massively Multiplayer Games
Explore even more rankings for the 100 best free Massively Multiplayer games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 102,913 | 12/4/2024 | 69 | Free | Steam Charts | |
| 77,108 | 8/15/2013 | 73 | Free | Steam Charts | |
| 57,052 | 3/25/2013 | 87 | Free | Steam Charts | |
| 41,022 | 2/1/2017 | 75 | Free | Steam Charts | |
| 25,104 | 10/3/2021 | 86 | Free | Steam Charts | |
| 18,702 | 11/11/2021 | 52 | Free | Steam Charts | |
| 18,049 | 8/25/2021 | 64 | Free | Steam Charts | |
| 16,199 | 12/9/2022 | 76 | Free | Steam Charts | |
| 15,640 | 10/1/2019 | 79 | Free | Steam Charts | |
| 14,032 | 2/19/2016 | 68 | Free | Steam Charts | |
 | 12,847 | 4/2/2021 | 77 | Free | Steam Charts | |
 | 12,481 | 7/7/2017 | 91 | Free | Steam Charts | |
 | 11,620 | 11/15/2017 | 76 | Free | Steam Charts | |
 | 11,268 | 11/9/2016 | 78 | Free | Steam Charts | |
 | 10,743 | 11/21/2024 | 75 | Free | Steam Charts | |
 | 9,698 | 5/16/2018 | 78 | Free | Steam Charts | |
 | 6,513 | 10/23/2013 | 89 | Free | Steam Charts | |
 | 6,342 | 8/27/2024 | 58 | Free | Steam Charts | |
 | 6,261 | 4/6/2020 | 68 | Free | Steam Charts | |
 | 5,626 | 4/29/2021 | 83 | 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, January 20). Steam Store. Steam Store.
- Valve Corporation. (2025, January 20). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, January 20). War Thunder on Steam. Steam Store.
- Valve Corporation. (2025, January 17). Warframe on Steam. Steam Store.
- Valve Corporation. (2025, January 17). VRChat on Steam. Steam Store.
- Valve Corporation. (2025, January 15). Goose Goose Duck on Steam. Steam Store.
- Valve Corporation. (2025, January 16). Russian Fishing 4 on Steam. Steam Store.
- Valve Corporation. (2025, January 20). MIR4 on Steam. Steam Store.
- Valve Corporation. (2025, January 20). STALCRAFT: X on Steam. Steam Store.
- Valve Corporation. (2025, January 20). Destiny 2 on Steam. Steam Store.
- Valve Corporation. (2025, January 20). Governor of Poker 3 on Steam. Steam Store.