Best Massively Multiplayer Games on Steam
Steam currently has 6,754 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 12/10/2025.
Looking for more? Explore other lists such as:
- Free massively multiplayer games on Steam
- Best massively multiplayer Steam Deck games
- Best massively multiplayer Linux games on Steam
- 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 1,198,461 reviews on Steam. This breaks down to a total of 1,160,422 positive reviews and 38,039 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 96, placing it in the #2 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 81,392 reviews on Steam. This breaks down to a total of 79,518 positive reviews and 1,874 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is completely free to play and 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 |
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 86,539 reviews on Steam. This breaks down to a total of 82,366 positive reviews and 4,173 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $14.99 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 | $14.99 |
| 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 1,400 reviews on Steam. This breaks down to a total of 1,375 positive reviews and 25 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, it is possible to play Snail Simulator on the Steam Deck (though some functionality may be limited).
| Steam Price | $4.99 |
| 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 359,200 reviews on Steam. This breaks down to a total of 334,626 positive reviews and 24,574 negative reviews — making it "Very Positive" on Steam.
It is priced at $19.99 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 | $19.99 |
| 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 1,006 reviews on Steam. This breaks down to a total of 985 positive reviews and 21 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $2.49 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. 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 92, placing it in the #7 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 43,205 reviews on Steam. This breaks down to a total of 40,422 positive reviews and 2,783 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 |
8. Sledders
Hit the backcountry in Sledders, the snowmobile simulator! Conquer deep powder with realistic physics and compete with friends in multiplayer. Are you skilled enough to reach the peak first? Jump in and prove your sledding skills!
Sledders 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 3,931 reviews on Steam. This breaks down to a total of 3,742 positive reviews and 189 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $20.99 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 | $20.99 |
| Release Date | 3/20/2025 |
| Franchise | Bonus Stage Publishing |
| Developer | Hanki Games |
| Publisher | Bonus Stage Publishing |
| Steam App Id | 2486740 |
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 35,168 reviews on Steam. This breaks down to a total of 32,753 positive reviews and 2,415 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 5,210 reviews on Steam. This breaks down to a total of 4,929 positive reviews and 281 negative reviews — making it "Very Positive" on Steam.
It is priced at $12.99 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 | $12.99 |
| 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 | ||||
|---|---|---|---|---|---|---|
| 21,070 | 11/29/2006 | 96 | $9.99 | Steam Charts | |
| 79,457 | 3/5/2025 | 96 | Free | Steam Charts | |
| 1,543 | 11/17/2017 | 94 | $14.99 | Steam Charts | |
| 23 | 11/21/2023 | 93 | $4.99 | Steam Charts | |
| 5,238 | 6/20/2022 | 92 | $19.99 | Steam Charts | |
| 20 | 2/2/2024 | 92 | $2.49 | Steam Charts | |
| 1,572 | 8/26/2021 | 92 | Free | Steam Charts | |
| 564 | 3/20/2025 | 91 | $20.99 | Steam Charts | |
| 524 | 5/22/2020 | 91 | $9.99 | Steam Charts | |
| 13 | 8/13/2020 | 91 | $12.99 | Steam Charts | |
 | 125 | 9/13/2011 | 91 | $19.99 | Steam Charts | |
 | 382 | 3/30/2017 | 91 | $29.99 | Steam Charts | |
 | 25 | 3/24/2023 | 91 | $0.99 | Steam Charts | |
 | 1,818 | 2/25/2016 | 90 | Free | Steam Charts | |
 | 7,053 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 413 | 9/26/2005 | 90 | $9.99 | Steam Charts | |
 | 72 | 5/9/2014 | 90 | Free | Steam Charts | |
 | 391 | 11/9/2010 | 89 | $39.99 | Steam Charts | |
 | 3 | 12/16/2013 | 89 | Free | Steam Charts | |
 | 139 | 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. (2025, December 10). Steam Store. Steam Store.
- Valve Corporation. (2025, December 10). Garry's Mod on Steam. Steam Store.
- Valve Corporation. (2025, December 10). Bongo Cat on Steam. Steam Store.
- Valve Corporation. (2025, December 10). CarX Drift Racing Online on Steam. Steam Store.
- Valve Corporation. (2025, December 4). Snail Simulator on Steam. Steam Store.
- Valve Corporation. (2025, December 4). Raft on Steam. Steam Store.
- Valve Corporation. (2025, October 5). Kukoro: Stream chat games on Steam. Steam Store.
- Valve Corporation. (2025, December 10). Super Animal Royale on Steam. Steam Store.
- Valve Corporation. (2025, December 8). Sledders on Steam. Steam Store.
- Valve Corporation. (2025, November 6). ShellShock Live on Steam. Steam Store.
- Valve Corporation. (2025, December 7). Kill It With Fire on Steam. Steam Store.