Best Massively Multiplayer Games on Steam
Steam currently has 7,044 Massively Multiplayer games available to download and play. 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 3/27/2026.
Looking for more? Explore other lists such as:
- Free massively multiplayer games on Steam
- Best massively multiplayer Steam Deck games
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- Best massively multiplayer Steam games for Mac OS
- 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 Massively Multiplayer game on Steam" with a Player Score of 96. Its score was calculated by analyzing a total of 1,225,049 reviews on Steam. This breaks down to a total of 1,186,499 positive reviews and 38,550 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. 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 has achieved a Player Score of 95, placing it in the #2 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 95,192 reviews on Steam. This breaks down to a total of 91,993 positive reviews and 3,199 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is completely free to play and can be played and ran on both Windows and Mac 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 |
3. CarX Drift Racing Online
CarX Drift Racing Online is your chance to immerse yourself in the real world of drifting. Get together with friends, tune your car and burn some tires!
CarX Drift Racing Online has achieved a Player Score of 94, placing it in the #3 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 87,774 reviews on Steam. This breaks down to a total of 83,506 positive reviews and 4,268 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $16.99 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $16.99 |
| Release Date | 11/17/2017 |
| Developer | CarX Technologies, LLC |
| Publisher | CarX Technologies, LLC |
| Steam App Id | 635260 |
4. Snail Simulator
Have you ever wanted to be a snail? Now you can be! Explore the vast Snearth with snail friends! Join monthly Snail Parties! MMOS (Massive Multiplayer Online Snails)! BECOME a snail (in a simulation)!
Snail Simulator has achieved a Player Score of 93, placing it in the #4 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 1,533 reviews on Steam. This breaks down to a total of 1,509 positive reviews and 24 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $2.99 to play and can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Snail Simulator on the Steam Deck (though some functionality may be limited).
| Steam Price | $2.99 |
| Release Date | 11/21/2023 |
| Developers | |
| Publishers | |
| Steam App Id | 1500740 |
5. Raft
Raft™ throws you and your friends into an epic oceanic adventure! Alone or together, players battle to survive a perilous voyage across a vast sea! Gather debris, scavenge reefs and build your own floating home, but be wary of the man-eating sharks!
Raft has achieved a Player Score of 92, placing it in the #5 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 368,400 reviews on Steam. This breaks down to a total of 342,910 positive reviews and 25,490 negative reviews — making it "Very Positive" on Steam.
It is priced at $13.39 to play and can be played and ran on Windows systems. At the moment, it is possible to play Raft on the Steam Deck (though some functionality may be limited).
| Steam Price | $13.39 |
| Release Date | 6/20/2022 |
| Franchise | Axolot Games |
| Developer | Redbeet Interactive |
| Publisher | Axolot Games |
| Steam App Id | 648800 |
6. Kukoro: Stream chat games
Kukoro: Stream chat games is a collection of +20 games, from 2D shooters to tactical RPG mini-games, with a high engage for your Twitch community. You and your audience will be able to play with you in real time receiving the individual relevance they deserve, growing your channel day by day.
Kukoro: Stream chat games has achieved a Player Score of 92, placing it in the #6 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 1,015 reviews on Steam. This breaks down to a total of 993 positive reviews and 22 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $4.99 to play and can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
7. Sledders
Deep snow snowmobiling with real physics. Ride licensed sleds from Lynx, Polaris, and Ski-Doo across massive open backcountry maps. Find your own lines, climb steep mountains, ride with friends online, and chase the perfect run in untouched powder.
Sledders has achieved a Player Score of 92, placing it in the #7 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 4,529 reviews on Steam. This breaks down to a total of 4,321 positive reviews and 208 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $29.99 to play and can be played and ran on Windows systems. At the moment, it is possible to play Sledders on the Steam Deck (though some functionality may be limited).
| Steam Price | $29.99 |
| Release Date | 3/20/2025 |
| Franchise | Bonus Stage Publishing |
| Developer | Hanki Games |
| Publisher | Bonus Stage Publishing |
| Steam App Id | 2486740 |
8. Super Animal Royale
Welcome to the coziest way to kill your friends. Super Animal Royale is a 64-player, top-down 2D battle royale where adorably murderous animals fight tooth, claw, and machine gun. Then, relax in Super Animal World with fishing, hamsterball races, and story quests before the next fight to the death.
Super Animal Royale has achieved a Player Score of 91, placing it in the #8 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 43,897 reviews on Steam. This breaks down to a total of 40,890 positive reviews and 3,007 negative reviews — making it "Very Positive" on Steam.
It is completely free to play and can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Super Animal Royale on the Steam Deck (though some functionality may be limited).
| Release Date | 8/26/2021 |
| Franchise | Modus Games |
| Developer | Pixile |
| Publishers | |
| Steam App Id | 843380 |
9. 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 #9 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 35,326 reviews on Steam. This breaks down to a total of 32,885 positive reviews and 2,441 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 |
10. Kill It With Fire
Kill It With Fire is a first-person action game about hunting spiders and causing collateral damage.
Kill It With Fire has achieved a Player Score of 91, placing it in the #10 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 5,366 reviews on Steam. This breaks down to a total of 5,072 positive reviews and 294 negative reviews — making it "Very Positive" on Steam.
It is priced at $2.59 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $2.59 |
| Release Date | 8/13/2020 |
| Developer | Casey Donnellan Games LLC |
| Publisher | tinyBuild |
| Steam App Id | 1179210 |
More Massively Multiplayer Games
Explore even more rankings for the 100 best Massively Multiplayer games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 23,617 | 11/29/2006 | 96 | $9.99 | Steam Charts | |
| 112,755 | 3/5/2025 | 95 | Free | Steam Charts | |
| 1,738 | 11/17/2017 | 94 | $16.99 | Steam Charts | |
| 30 | 11/21/2023 | 93 | $2.99 | Steam Charts | |
| 8,187 | 6/20/2022 | 92 | $13.39 | Steam Charts | |
| 26 | 2/2/2024 | 92 | $4.99 | Steam Charts | |
| 348 | 3/20/2025 | 92 | $29.99 | Steam Charts | |
| 335 | 8/26/2021 | 91 | Free | Steam Charts | |
| 396 | 5/22/2020 | 91 | $9.99 | Steam Charts | |
| 20 | 8/13/2020 | 91 | $2.59 | Steam Charts | |
 | 82 | 9/13/2011 | 91 | $2.99 | Steam Charts | |
 | 344 | 3/30/2017 | 91 | $29.99 | Steam Charts | |
 | 0 | 2/25/2016 | 90 | Free | Steam Charts | |
 | 1 | 3/24/2023 | 90 | $0.49 | Steam Charts | |
 | 7,955 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 239 | 7/12/2010 | 90 | $9.99 | Steam Charts | |
 | 58 | 5/9/2014 | 90 | Free | Steam Charts | |
 | 396 | 11/9/2010 | 89 | $39.99 | Steam Charts | |
 | 7 | 12/16/2013 | 89 | Free | Steam Charts | |
 | 171 | 3/23/2010 | 89 | $1.49 | 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 27). Steam Store. Steam Store.
- Valve Corporation. (2026, March 27). Garry's Mod on Steam. Steam Store.
- Valve Corporation. (2026, March 27). Bongo Cat on Steam. Steam Store.
- Valve Corporation. (2026, March 27). CarX Drift Racing Online on Steam. Steam Store.
- Valve Corporation. (2026, March 23). Snail Simulator on Steam. Steam Store.
- Valve Corporation. (2026, March 20). Raft on Steam. Steam Store.
- Valve Corporation. (2026, March 9). Kukoro: Stream chat games on Steam. Steam Store.
- Valve Corporation. (2026, March 26). Sledders on Steam. Steam Store.
- Valve Corporation. (2026, March 27). Super Animal Royale on Steam. Steam Store.
- Valve Corporation. (2026, February 28). ShellShock Live on Steam. Steam Store.
- Valve Corporation. (2026, March 20). Kill It With Fire on Steam. Steam Store.