Free Co-op Games on Steam
Steam currently has 9,220 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 7/16/2025.
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 8,893,976 reviews on Steam. This breaks down to a total of 7,702,051 positive reviews and 1,191,925 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 2,519,364 reviews on Steam. This breaks down to a total of 2,051,993 positive reviews and 467,371 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 59, placing it in the #3 spot for the best free Co-op games. Its score was calculated by analyzing a total of 2,579,554 reviews on Steam. This breaks down to a total of 1,534,967 positive reviews and 1,044,587 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. 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 78, placing it in the #4 spot for the best free Co-op games. Its score was calculated by analyzing a total of 300,801 reviews on Steam. This breaks down to a total of 236,760 positive reviews and 64,041 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 |
5. 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 62, placing it in the #5 spot for the best free Co-op games. Its score was calculated by analyzing a total of 124,522 reviews on Steam. This breaks down to a total of 77,521 positive reviews and 47,001 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 |
6. 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 #6 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,001,417 reviews on Steam. This breaks down to a total of 672,902 positive reviews and 328,515 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 |
7. 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 #7 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,425,034 reviews on Steam. This breaks down to a total of 1,186,856 positive reviews and 238,178 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 |
8. Destiny 2
Destiny 2 is an action MMO with a single evolving world that you and your friends can join anytime, anywhere, absolutely free.
Destiny 2 has achieved a Player Score of 79, placing it in the #8 spot for the best free Co-op games. Its score was calculated by analyzing a total of 628,763 reviews on Steam. This breaks down to a total of 498,919 positive reviews and 129,844 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Destiny 2 on the Steam Deck.
9. 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 #9 spot for the best free Co-op games. Its score was calculated by analyzing a total of 624,418 reviews on Steam. This breaks down to a total of 545,943 positive reviews and 78,475 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 |
10. 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 89, placing it in the #10 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,169,403 reviews on Steam. This breaks down to a total of 1,053,555 positive reviews and 115,848 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).
More Free Co-op Games
Explore even more rankings for the 100 best free Co-op games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 689,821 | 8/21/2012 | 86 | Free | Steam Charts | |
| 358,984 | 7/9/2013 | 81 | Free | Steam Charts | |
| 279,961 | 12/21/2017 | 59 | Free | Steam Charts | |
| 125,101 | 12/6/2024 | 78 | Free | Steam Charts | |
| 111,793 | 12/4/2024 | 62 | Free | Steam Charts | |
| 93,258 | 11/5/2020 | 67 | Free | Steam Charts | |
| 76,118 | 12/1/2015 | 83 | Free | Steam Charts | |
| 75,990 | 10/1/2019 | 79 | Free | Steam Charts | |
| 57,218 | 3/25/2013 | 87 | Free | Steam Charts | |
| 49,646 | 10/10/2007 | 89 | Free | Steam Charts | |
 | 31,298 | 5/16/2020 | 96 | Free | Steam Charts | |
 | 30,957 | 10/23/2013 | 88 | Free | Steam Charts | |
 | 28,882 | 7/9/2024 | 74 | Free | Steam Charts | |
 | 23,684 | 8/10/2023 | 25 | Free | Steam Charts | |
 | 12,271 | 12/8/2023 | 77 | Free | Steam Charts | |
 | 11,626 | 5/9/2023 | 69 | Free | Steam Charts | |
 | 10,968 | 9/30/2021 | 48 | Free | Steam Charts | |
 | 10,569 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 10,343 | 10/17/2017 | 81 | Free | Steam Charts | |
 | 8,441 | 11/15/2017 | 76 | 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, July 16). Steam Store. Steam Store.
- Valve Corporation. (2025, July 16). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2025, July 18). Dota 2 on Steam. Steam Store.
- Valve Corporation. (2025, July 16). PUBG: BATTLEGROUNDS on Steam. Steam Store.
- Valve Corporation. (2025, July 19). Marvel Rivals on Steam. Steam Store.
- Valve Corporation. (2025, July 18). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, July 19). Apex Legends™ on Steam. Steam Store.
- Valve Corporation. (2025, July 19). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store.
- Valve Corporation. (2025, July 19). Destiny 2 on Steam. Steam Store.
- Valve Corporation. (2025, July 19). Warframe on Steam. Steam Store.
- Valve Corporation. (2025, July 11). Team Fortress 2 on Steam. Steam Store.