Best Massively Multiplayer Linux Games on Steam
Steam currently has 6,997 Massively Multiplayer games, but not all of them are able to be played on Linux builds. Explore our list of the best picks ranked by Player Score. Our Player Score rankings are calculated directly from reviews left on the Steam store and will be updated in real-time as more players leave their feedback. Massively Multiplayer game rankings were last updated on 3/6/2026.
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)
- Free massively multiplayer games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Garry's Mod
Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.
Garry's Mod holds the #1 spot for "best Linux Massively Multiplayer game on Steam" with a Player Score of 96. Its score was calculated by analyzing a total of 1,220,696 reviews on Steam. This breaks down to a total of 1,182,222 positive reviews and 38,474 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Garry's Mod on the Steam Deck (though some functionality may be limited).
| Steam Price | $9.99 |
| Release Date | 11/29/2006 |
| Developer | Facepunch Studios |
| Publisher | Valve |
| Steam App Id | 4000 |
2. ShellShock Live
Demolish your friends with hundreds of upgradable weapons shot from your customizable tank in this action-packed online multiplayer tanks game. Earn XP to level up and unlock new tanks, weapons, and gear. Fight against or alongside your friends for strategic team or free-for-all matches.
ShellShock Live has achieved a Player Score of 91, placing it in the #2 spot for the best Linux Massively Multiplayer games. Its score was calculated by analyzing a total of 35,311 reviews on Steam. This breaks down to a total of 32,877 positive reviews and 2,434 negative reviews — making it "Very Positive" on Steam.
It is priced at $9.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play ShellShock Live on the Steam Deck (though some functionality may be limited).
| Steam Price | $9.99 |
| Release Date | 5/22/2020 |
| Developer | kChamp Games |
| Publisher | kChamp Games |
| Steam App Id | 326460 |
3. X-Plane 11
The future of flight simulation is now! X-Plane 11 is the detailed, realistic, and modern simulator you’ve been waiting for. Intuitive user interface, 3-D cockpits, new effects, 3-D sound, living airports and world-wide scenery.
X-Plane 11 has achieved a Player Score of 91, placing it in the #3 spot for the best Linux Massively Multiplayer games. Its score was calculated by analyzing a total of 19,751 reviews on Steam. This breaks down to a total of 18,357 positive reviews and 1,394 negative reviews — making it "Very Positive" on Steam.
It is priced at $29.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play X-Plane 11 on the Steam Deck (though some functionality may be limited).
| Steam Price | $29.99 |
| Release Date | 3/30/2017 |
| Developer | Laminar Research |
| Publisher | Laminar Research |
| Steam App Id | 269950 |
4. 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 #4 spot for the best Linux Massively Multiplayer games. Its score was calculated by analyzing a total of 560,938 reviews on Steam. This breaks down to a total of 510,892 positive reviews and 50,046 negative reviews — making it "Very Positive" on Steam.
It is completely free to play and 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 |
5. Day of Defeat: Source
Valve's WWII Multiplayer Classic - Now available for Mac.
Day of Defeat: Source has achieved a Player Score of 90, placing it in the #5 spot for the best Linux Massively Multiplayer games. Its score was calculated by analyzing a total of 23,288 reviews on Steam. This breaks down to a total of 21,371 positive reviews and 1,917 negative reviews — making it "Very Positive" on Steam.
It is priced at $9.99 to play and can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Day of Defeat: Source on the Steam Deck (though some functionality may be limited).
6. Fistful of Frags
Multiplayer based, first person enabled, action packed and skill demanding shooter set in the Wild West times. A unique combination of non stop action and slow but powerful weaponry.
Fistful of Frags has achieved a Player Score of 90, placing it in the #6 spot for the best Linux Massively Multiplayer games. Its score was calculated by analyzing a total of 36,696 reviews on Steam. This breaks down to a total of 33,550 positive reviews and 3,146 negative reviews — making it "Very Positive" on Steam.
It is completely free to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Fistful of Frags on the Steam Deck (though some functionality may be limited).
| Release Date | 5/9/2014 |
| Developer | Fistful of Frags Team |
| Publisher | Fistful of Frags Team |
| Steam App Id | 265630 |
7. No More Room in Hell
The chances of you surviving this all out war of society and the undead are slim to none. Already, there are millions of the walking dead shambling about, searching for food to eat. There's no known cure. One bite can possibly end it all for you. However, you aren't alone in this nightmare.
No More Room in Hell has achieved a Player Score of 89, placing it in the #7 spot for the best Linux Massively Multiplayer games. Its score was calculated by analyzing a total of 75,581 reviews on Steam. This breaks down to a total of 67,948 positive reviews and 7,633 negative reviews — making it "Very Positive" on Steam.
It is completely free to play and can be played and ran on both Windows and Linux systems. At the moment, it is possible to play No More Room in Hell on the Steam Deck (though some functionality may be limited).
| Release Date | 10/31/2013 |
| Developer | No More Room in Hell Team |
| Publisher | Lever Games |
| Steam App Id | 224260 |
8. Guns of Icarus Online
Assemble your crew, take to the skies in the premier PvP airship combat game. Guns of Icarus Online is all about flying massive airships, shooting big turret weapons, and working as a team for supremacy of the skies. Everyone as one, victory or death, together.
Guns of Icarus Online has achieved a Player Score of 88, placing it in the #8 spot for the best Linux Massively Multiplayer games. Its score was calculated by analyzing a total of 14,664 reviews on Steam. This breaks down to a total of 13,182 positive reviews and 1,482 negative reviews — making it "Very Positive" on Steam.
It is priced at $1.24 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Guns of Icarus Online on the Steam Deck (though some functionality may be limited).
| Steam Price | $1.24 |
| Release Date | 10/29/2012 |
| Franchise | Muse Games |
| Developer | Muse Games |
| Publisher | Muse Games |
| Steam App Id | 209080 |
9. Kind Words 2 (lofi city pop)
A game about being kind to real people. Send nice letters from your cozy room, go outside and say hi to your neighbors, swap recommendations, dress up for the poetry slam and add your dreams to a sky full of wishes. Join a community of real people with their hearts on their sleeves.
Kind Words 2 (lofi city pop) has achieved a Player Score of 87, placing it in the #9 spot for the best Linux Massively Multiplayer games. Its score was calculated by analyzing a total of 667 reviews on Steam. This breaks down to a total of 619 positive reviews and 48 negative reviews — making it "Very Positive" on Steam.
It is priced at $19.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Kind Words 2 (lofi city pop) on the Steam Deck (though some functionality may be limited).
| Steam Price | $19.99 |
| Release Date | 10/7/2024 |
| Developer | Popcannibal |
| Publisher | Popcannibal |
| Steam App Id | 2118120 |
10. Transformice
Transformice is an MMO platformer about dozens of mice running to bring back the cheese! Will the almighty Shaman help you or just ruin everything? Millions of levels, hectic physics, skill trees, and more importantly... hats!
Transformice has achieved a Player Score of 86, placing it in the #10 spot for the best Linux Massively Multiplayer games. Its score was calculated by analyzing a total of 28,448 reviews on Steam. This breaks down to a total of 25,061 positive reviews and 3,387 negative reviews — making it "Very Positive" on Steam.
It is completely free to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Transformice on the Steam Deck (though some functionality may be limited).
| Release Date | 1/30/2015 |
| Franchise | Atelier 801 |
| Developer | Atelier 801 |
| Publisher | Atelier 801 |
| Steam App Id | 335240 |
More Massively Multiplayer Linux Games on Steam
Explore even more rankings for the 10 best Massively Multiplayer games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 20,458 | 11/29/2006 | 96 | $9.99 | Steam Charts | |
| 311 | 5/22/2020 | 91 | $9.99 | Steam Charts | |
| 304 | 3/30/2017 | 91 | $29.99 | Steam Charts | |
| 9,676 | 7/7/2017 | 90 | Free | Steam Charts | |
| 285 | 9/26/2005 | 90 | $9.99 | Steam Charts | |
| 67 | 5/9/2014 | 90 | Free | Steam Charts | |
| 307 | 10/31/2013 | 89 | Free | Steam Charts | |
| 3 | 10/29/2012 | 88 | $1.24 | Steam Charts | |
| 5 | 10/7/2024 | 87 | $19.99 | Steam Charts | |
| 916 | 1/30/2015 | 86 | Free | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Reviews 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 6). Steam Store. Steam Store.
- Valve Corporation. (2026, March 6). Garry's Mod on Steam. Steam Store.
- Valve Corporation. (2026, February 28). ShellShock Live on Steam. Steam Store.
- Valve Corporation. (2026, February 24). X-Plane 11 on Steam. Steam Store.
- Valve Corporation. (2026, January 30). Unturned on Steam. Steam Store.
- Valve Corporation. (2026, January 23). Day of Defeat: Source on Steam. Steam Store.
- Valve Corporation. (2026, February 28). Fistful of Frags on Steam. Steam Store.
- Valve Corporation. (2025, October 29). No More Room in Hell on Steam. Steam Store.
- Valve Corporation. (2025, December 18). Guns of Icarus Online on Steam. Steam Store.
- Valve Corporation. (2026, February 18). Kind Words 2 (lofi city pop) on Steam. Steam Store.
- Valve Corporation. (2026, February 22). Transformice on Steam. Steam Store.