Free Co-op Games on Steam
Steam currently has 9,705 Co-op 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 Co-op game rankings were last updated on 10/3/2025.
Looking for more? Explore other lists such as:
- Best co-op games on Steam
- Best co-op Steam Deck games
- Best co-op Steam games for Mac OS
- Best co-op Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Counter-Strike 2
For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.
Counter-Strike 2 holds the #1 spot for "best free Co-op game on Steam" with a Player Score of 86. Its score was calculated by analyzing a total of 9,055,128 reviews on Steam. This breaks down to a total of 7,825,902 positive reviews and 1,229,226 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Counter-Strike 2 on the Steam Deck (though some functionality may be limited).
2. Dota 2
Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.
Dota 2 has achieved a Player Score of 81, placing it in the #2 spot for the best free Co-op games. Its score was calculated by analyzing a total of 2,566,692 reviews on Steam. This breaks down to a total of 2,088,110 positive reviews and 478,582 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Dota 2 on the Steam Deck (though some functionality may be limited).
3. PUBG: BATTLEGROUNDS
PUBG: BATTLEGROUNDS, the high-stakes winner-take-all shooter that started the Battle Royale craze, is free-to-play! Drop into diverse maps, loot unique weapons and supplies, and survive in an ever-shrinking zone where every turn could be your last.
PUBG: BATTLEGROUNDS has achieved a Player Score of 60, placing it in the #3 spot for the best free Co-op games. Its score was calculated by analyzing a total of 2,612,231 reviews on Steam. This breaks down to a total of 1,558,990 positive reviews and 1,053,241 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 PUBG: BATTLEGROUNDS on the Steam Deck.
| Release Date | 12/21/2017 |
| Franchise | KRAFTON, Inc. |
| Developers | |
| Publisher | KRAFTON, Inc. |
| Steam App Id | 578080 |
4. 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 60, placing it in the #4 spot for the best free Co-op games. Its score was calculated by analyzing a total of 143,901 reviews on Steam. This breaks down to a total of 87,205 positive reviews and 56,696 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 |
5. Apex Legends™
Apex Legends is the award-winning, free-to-play Hero Shooter from Respawn Entertainment. Master an ever-growing roster of legendary characters with powerful abilities, and experience strategic squad play and innovative gameplay in the next evolution of Hero Shooter and Battle Royale.
Apex Legends™ has achieved a Player Score of 67, placing it in the #5 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,010,950 reviews on Steam. This breaks down to a total of 679,364 positive reviews and 331,586 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 Apex Legends™ on the Steam Deck.
| Release Date | 11/5/2020 |
| Franchise | Apex Legends Official |
| Developers | |
| Publisher | Electronic Arts |
| Steam App Id | 1172470 |
6. 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 #6 spot for the best free Co-op games. Its score was calculated by analyzing a total of 43,306 reviews on Steam. This breaks down to a total of 42,171 positive reviews and 1,135 negative reviews — making it "Overwhelmingly Positive" on Steam.
It 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 |
7. Marvel Rivals
Marvel Rivals is a Super Hero Team-Based PVP Shooter! Assemble an all-star Marvel squad, devise countless strategies by combining powers to form unique Team-Up skills and fight in destructible, ever-changing battlefields across the continually evolving Marvel universe!
Marvel Rivals has achieved a Player Score of 77, placing it in the #7 spot for the best free Co-op games. Its score was calculated by analyzing a total of 320,720 reviews on Steam. This breaks down to a total of 247,413 positive reviews and 73,307 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 Marvel Rivals on the Steam Deck (though some functionality may be limited).
| Release Date | 12/6/2024 |
| Developer | NetEase Games |
| Publisher | NetEase Games |
| Steam App Id | 2767030 |
8. Team Fortress 2
Nine distinct classes provide a broad range of tactical abilities and personalities. Constantly updated with new game modes, maps, equipment and, most importantly, hats!
Team Fortress 2 has achieved a Player Score of 90, placing it in the #8 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,182,857 reviews on Steam. This breaks down to a total of 1,068,863 positive reviews and 113,994 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Team Fortress 2 on the Steam Deck (though some functionality may be limited).
9. Tom Clancy's Rainbow Six® Siege X
Rainbow Six Siege X is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked and Dual Front game modes with a selection of operators.
Tom Clancy's Rainbow Six® Siege X has achieved a Player Score of 83, placing it in the #9 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,448,277 reviews on Steam. This breaks down to a total of 1,201,909 positive reviews and 246,368 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Tom Clancy's Rainbow Six® Siege X on the Steam Deck.
| Release Date | 12/1/2015 |
| Developer | Ubisoft Montreal |
| Publisher | Ubisoft |
| Steam App Id | 359550 |
10. 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 #10 spot for the best free Co-op games. Its score was calculated by analyzing a total of 631,840 reviews on Steam. This breaks down to a total of 552,917 positive reviews and 78,923 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 |
More Free Co-op Games
Explore even more rankings for the 100 best free Co-op games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 823,901 | 8/21/2012 | 86 | Free | Steam Charts | |
| 475,446 | 7/9/2013 | 81 | Free | Steam Charts | |
| 315,549 | 12/21/2017 | 60 | Free | Steam Charts | |
| 145,402 | 12/4/2024 | 60 | Free | Steam Charts | |
| 87,034 | 11/5/2020 | 67 | Free | Steam Charts | |
| 75,813 | 3/5/2025 | 95 | Free | Steam Charts | |
| 69,551 | 12/6/2024 | 77 | Free | Steam Charts | |
| 44,702 | 10/10/2007 | 90 | Free | Steam Charts | |
| 44,369 | 12/1/2015 | 83 | Free | Steam Charts | |
| 39,206 | 3/25/2013 | 87 | Free | Steam Charts | |
 | 27,156 | 5/16/2020 | 96 | Free | Steam Charts | |
 | 24,398 | 8/10/2023 | 26 | Free | Steam Charts | |
 | 21,545 | 11/15/2017 | 76 | Free | Steam Charts | |
 | 21,098 | 7/9/2024 | 75 | Free | Steam Charts | |
 | 13,254 | 12/7/2023 | 77 | Free | Steam Charts | |
 | 12,863 | 10/1/2019 | 78 | Free | Steam Charts | |
 | 11,349 | 10/17/2017 | 80 | Free | Steam Charts | |
 | 10,837 | 9/30/2021 | 49 | Free | Steam Charts | |
 | 10,831 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 7,689 | 4/28/2025 | 88 | 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. (2025, October 3). Steam Store. Steam Store.
- Valve Corporation. (2025, October 3). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2025, October 3). Dota 2 on Steam. Steam Store.
- Valve Corporation. (2025, October 1). PUBG: BATTLEGROUNDS on Steam. Steam Store.
- Valve Corporation. (2025, October 4). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, October 2). Apex Legends™ on Steam. Steam Store.
- Valve Corporation. (2025, October 3). Bongo Cat on Steam. Steam Store.
- Valve Corporation. (2025, October 2). Marvel Rivals on Steam. Steam Store.
- Valve Corporation. (2025, October 3). Team Fortress 2 on Steam. Steam Store.
- Valve Corporation. (2025, October 4). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store.
- Valve Corporation. (2025, September 20). Warframe on Steam. Steam Store.