Free Massively Multiplayer Games on Steam
Steam currently has 7,052 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 3/30/2026.
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
- Best massively multiplayer Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. 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 holds the #1 spot for "best free Massively Multiplayer game on Steam" with a Player Score of 95. Its score was calculated by analyzing a total of 95,480 reviews on Steam. This breaks down to a total of 92,268 positive reviews and 3,212 negative reviews — making it "Overwhelmingly Positive" on Steam.
It 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 |
2. 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 has achieved a Player Score of 58, placing it in the #2 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 177,130 reviews on Steam. This breaks down to a total of 103,385 positive reviews and 73,745 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 Delta Force on the Steam Deck.
| Release Date | 12/4/2024 |
| Developers | |
| Publisher | TiMi Studio Group |
| Steam App Id | 2507950 |
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 656,241 reviews on Steam. This breaks down to a total of 575,181 positive reviews and 81,060 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. 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 72, placing it in the #4 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 730,430 reviews on Steam. This breaks down to a total of 531,947 positive reviews and 198,483 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 |
5. 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 #5 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 259,246 reviews on Steam. This breaks down to a total of 195,306 positive reviews and 63,940 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 |
6. Path of Exile
You are an Exile, struggling to survive on the dark continent of Wraeclast, as you fight to earn power that will allow you to exact your revenge against those who wronged you. Path of Exile is an online Action RPG set in a dark fantasy world. The game is completely free and will never be pay-to-win.
Path of Exile has achieved a Player Score of 88, placing it in the #6 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 245,999 reviews on Steam. This breaks down to a total of 218,915 positive reviews and 27,084 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 Path of Exile on the Steam Deck (though some functionality may be limited).
| Release Date | 10/23/2013 |
| Developer | Grinding Gear Games |
| Publisher | Grinding Gear Games |
| Steam App Id | 238960 |
7. Where Winds Meet
Where Winds Meet is an epic Wuxia open-world action-adventure RPG set in ancient China at the tenth century. Players will assume the role of a young sword master as they embark on a journey to uncover the mysteries of their own identity. Let the wind carry your legend on an epic journey to the East!
Where Winds Meet has achieved a Player Score of 86, placing it in the #7 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 104,898 reviews on Steam. This breaks down to a total of 91,457 positive reviews and 13,441 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Where Winds Meet on the Steam Deck (though some functionality may be limited).
| Release Date | 11/14/2025 |
| Developer | Everstone Studio |
| Publisher | NetEase Games |
| Steam App Id | 3564740 |
8. World of Warships
Immerse yourself in thrilling naval battles and assemble an armada of over 600 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!
World of Warships 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 153,460 reviews on Steam. This breaks down to a total of 117,666 positive reviews and 35,794 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 World of Warships on the Steam Deck (though some functionality may be limited).
| Release Date | 11/15/2017 |
| Franchise | World of Warships Franchise |
| Developer | Wargaming Group Limited |
| Publisher | Wargaming Group Limited |
| Steam App Id | 552990 |
9. IdleOn
The management RPG where your heroes keep fighting even when you're gone! Spend their loot on upgrades, unlock classes from Elemental Wizard to Cannon Pirate, and level up 19 unique skills like Farming, Sailing, and even Construction!
IdleOn has achieved a Player Score of 77, placing it in the #9 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 28,119 reviews on Steam. This breaks down to a total of 22,114 positive reviews and 6,005 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 IdleOn on the Steam Deck (though some functionality may be limited).
| Release Date | 11/6/2025 |
| Developer | Lavaflame2 |
| Publisher | Lavaflame2 |
| Steam App Id | 1476970 |
10. 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 58, placing it in the #10 spot for the best free Massively Multiplayer games. Its score was calculated by analyzing a total of 84,230 reviews on Steam. This breaks down to a total of 49,261 positive reviews and 34,969 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 |
More Free Massively Multiplayer Games
Explore even more rankings for the 100 best free Massively Multiplayer games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 156,979 | 3/5/2025 | 95 | Free | Steam Charts | |
| 111,539 | 12/4/2024 | 58 | Free | Steam Charts | |
| 77,887 | 3/25/2013 | 87 | Free | Steam Charts | |
| 77,531 | 8/15/2013 | 72 | Free | Steam Charts | |
| 54,066 | 2/1/2017 | 75 | Free | Steam Charts | |
| 52,008 | 10/23/2013 | 88 | Free | Steam Charts | |
| 32,527 | 11/14/2025 | 86 | Free | Steam Charts | |
| 28,064 | 11/15/2017 | 76 | Free | Steam Charts | |
| 17,196 | 11/6/2025 | 77 | Free | Steam Charts | |
| 16,798 | 11/11/2021 | 58 | Free | Steam Charts | |
 | 16,574 | 12/9/2022 | 73 | Free | Steam Charts | |
 | 14,981 | 7/9/2024 | 77 | Free | Steam Charts | |
 | 11,602 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 11,283 | 8/25/2021 | 65 | Free | Steam Charts | |
 | 9,939 | 5/16/2018 | 78 | Free | Steam Charts | |
 | 9,711 | 10/3/2021 | 85 | Free | Steam Charts | |
 | 8,193 | 4/28/2021 | 80 | Free | Steam Charts | |
 | 7,701 | 10/1/2019 | 77 | Free | Steam Charts | |
 | 6,404 | 7/17/2025 | 55 | Free | Steam Charts | |
 | 6,036 | 3/13/2025 | 80 | 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. (2026, March 30). Steam Store. Steam Store.
- Valve Corporation. (2026, March 30). Bongo Cat on Steam. Steam Store.
- Valve Corporation. (2026, March 30). Delta Force on Steam. Steam Store.
- Valve Corporation. (2026, March 29). Warframe on Steam. Steam Store.
- Valve Corporation. (2026, March 30). War Thunder on Steam. Steam Store.
- Valve Corporation. (2026, March 26). VRChat on Steam. Steam Store.
- Valve Corporation. (2026, March 27). Path of Exile on Steam. Steam Store.
- Valve Corporation. (2026, March 30). Where Winds Meet on Steam. Steam Store.
- Valve Corporation. (2026, March 25). World of Warships on Steam. Steam Store.
- Valve Corporation. (2026, March 29). IdleOn on Steam. Steam Store.
- Valve Corporation. (2026, March 12). Russian Fishing 4 on Steam. Steam Store.