Best Massively Multiplayer Games on Steam
Steam currently has 6,466 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 8/20/2025.
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 1,174,141 reviews on Steam. This breaks down to a total of 1,136,649 positive reviews and 37,492 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 35,317 reviews on Steam. This breaks down to a total of 34,441 positive reviews and 876 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 84,361 reviews on Steam. This breaks down to a total of 80,373 positive reviews and 3,988 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 1,199 reviews on Steam. This breaks down to a total of 1,181 positive reviews and 18 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 352,955 reviews on Steam. This breaks down to a total of 329,064 positive reviews and 23,891 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 987 reviews on Steam. This breaks down to a total of 967 positive reviews and 20 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. Super Animal Royale
It’s a fight for furvival! Super Animal Royale is a 64-player, frenetic, top-down 2D battle royale where murderous animals fight tooth, claw, and machine gun across an abandoned safari park.
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 42,711 reviews on Steam. This breaks down to a total of 39,969 positive reviews and 2,742 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. 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 #8 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 35,011 reviews on Steam. This breaks down to a total of 32,629 positive reviews and 2,382 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 |
9. 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 #9 spot for the best Massively Multiplayer games. Its score was calculated by analyzing a total of 3,689 reviews on Steam. This breaks down to a total of 3,510 positive reviews and 179 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 |
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 5,116 reviews on Steam. This breaks down to a total of 4,836 positive reviews and 280 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 | ||||
|---|---|---|---|---|---|---|
| 30,759 | 11/29/2006 | 96 | $9.99 | Steam Charts | |
| 99,888 | 3/5/2025 | 95 | Free | Steam Charts | |
| 2,188 | 11/17/2017 | 94 | $14.99 | Steam Charts | |
| 21 | 11/21/2023 | 93 | $4.99 | Steam Charts | |
| 9,850 | 6/20/2022 | 92 | $19.99 | Steam Charts | |
| 23 | 2/2/2024 | 92 | $4.99 | Steam Charts | |
| 381 | 8/26/2021 | 92 | Free | Steam Charts | |
| 294 | 5/22/2020 | 91 | $9.99 | Steam Charts | |
| 64 | 3/20/2025 | 91 | $29.99 | Steam Charts | |
| 28 | 8/13/2020 | 91 | $12.99 | Steam Charts | |
 | 136 | 9/13/2011 | 91 | $19.99 | Steam Charts | |
 | 613 | 3/30/2017 | 91 | $29.99 | Steam Charts | |
 | 6 | 3/24/2023 | 91 | $0.99 | Steam Charts | |
 | 2,220 | 2/25/2016 | 91 | Free | Steam Charts | |
 | 11,994 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 79 | 5/9/2014 | 90 | Free | Steam Charts | |
 | 148 | 7/12/2010 | 90 | $9.99 | Steam Charts | |
 | 8 | 12/16/2013 | 89 | Free | Steam Charts | |
 | 521 | 11/9/2010 | 89 | $39.99 | Steam Charts | |
 | 183 | 3/23/2010 | 89 | $14.99 | 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, August 20). Steam Store. Steam Store.
- Valve Corporation. (2025, August 20). Garry's Mod on Steam. Steam Store.
- Valve Corporation. (2025, August 21). Bongo Cat on Steam. Steam Store.
- Valve Corporation. (2025, August 22). CarX Drift Racing Online on Steam. Steam Store.
- Valve Corporation. (2025, August 19). Snail Simulator on Steam. Steam Store.
- Valve Corporation. (2025, August 16). Raft on Steam. Steam Store.
- Valve Corporation. (2025, August 14). Kukoro: Stream chat games on Steam. Steam Store.
- Valve Corporation. (2025, August 23). Super Animal Royale on Steam. Steam Store.
- Valve Corporation. (2025, August 17). ShellShock Live on Steam. Steam Store.
- Valve Corporation. (2025, August 15). Sledders on Steam. Steam Store.
- Valve Corporation. (2025, August 21). Kill It With Fire on Steam. Steam Store.