Free Co-op Games on Steam
Steam currently has 10,786 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 3/20/2026.
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 9,469,678 reviews on Steam. This breaks down to a total of 8,169,496 positive reviews and 1,300,182 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 2,681,184 reviews on Steam. This breaks down to a total of 2,174,233 positive reviews and 506,951 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 2,687,882 reviews on Steam. This breaks down to a total of 1,617,604 positive reviews and 1,070,278 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 76, placing it in the #4 spot for the best free Co-op games. Its score was calculated by analyzing a total of 375,963 reviews on Steam. This breaks down to a total of 289,675 positive reviews and 86,288 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. 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 #5 spot for the best free Co-op games. Its score was calculated by analyzing a total of 94,338 reviews on Steam. This breaks down to a total of 91,176 positive reviews and 3,162 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 |
6. Tom Clancy's Rainbow Six Siege
Rainbow Six® Siege 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 has achieved a Player Score of 82, placing it in the #6 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,493,355 reviews on Steam. This breaks down to a total of 1,232,870 positive reviews and 260,485 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 on the Steam Deck.
| Release Date | 12/1/2015 |
| Franchise | Tom Clancy Franchise |
| Developer | Ubisoft Montreal |
| Publisher | Ubisoft |
| Steam App Id | 359550 |
7. 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 #7 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,036,611 reviews on Steam. This breaks down to a total of 699,883 positive reviews and 336,728 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 |
8. Overwatch®
Overwatch®, A FUTURE WORTH FIGHTING FOR! Overwatch® is an always-on and ever-evolving free-to-play, team-based action game set in an optimistic future, where every match is the ultimate 5v5 or 6v6 battlefield brawl.
Overwatch® has achieved a Player Score of 29, placing it in the #8 spot for the best free Co-op games. Its score was calculated by analyzing a total of 388,472 reviews on Steam. This breaks down to a total of 112,263 positive reviews and 276,209 negative reviews — making it "Mostly Negative" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Overwatch® on the Steam Deck (though some functionality may be limited).
| Release Date | 8/10/2023 |
| Franchise | Blizzard |
| Developer | Blizzard Entertainment, Inc. |
| Publisher | Blizzard Entertainment, Inc. |
| Steam App Id | 2357570 |
9. 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 #9 spot for the best free Co-op games. Its score was calculated by analyzing a total of 176,308 reviews on Steam. This breaks down to a total of 102,984 positive reviews and 73,324 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 |
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 90, placing it in the #10 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,221,271 reviews on Steam. This breaks down to a total of 1,109,157 positive reviews and 112,114 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 | ||||
|---|---|---|---|---|---|---|
| 813,750 | 8/21/2012 | 86 | Free | Steam Charts | |
| 315,225 | 7/9/2013 | 81 | Free | Steam Charts | |
| 191,429 | 12/21/2017 | 60 | Free | Steam Charts | |
| 140,420 | 12/6/2024 | 76 | Free | Steam Charts | |
| 108,614 | 3/5/2025 | 95 | Free | Steam Charts | |
| 96,165 | 12/1/2015 | 82 | Free | Steam Charts | |
| 93,239 | 11/5/2020 | 67 | Free | Steam Charts | |
| 76,903 | 8/10/2023 | 29 | Free | Steam Charts | |
| 66,923 | 12/4/2024 | 58 | Free | Steam Charts | |
| 52,852 | 10/10/2007 | 90 | Free | Steam Charts | |
 | 50,615 | 3/25/2013 | 87 | Free | Steam Charts | |
 | 49,283 | 10/23/2013 | 88 | Free | Steam Charts | |
 | 29,120 | 5/16/2020 | 96 | Free | Steam Charts | |
 | 11,790 | 10/17/2017 | 80 | Free | Steam Charts | |
 | 11,415 | 9/30/2021 | 50 | Free | Steam Charts | |
 | 11,077 | 12/8/2023 | 78 | Free | Steam Charts | |
 | 10,385 | 7/9/2024 | 77 | Free | Steam Charts | |
 | 8,911 | 4/28/2025 | 88 | Free | Steam Charts | |
 | 8,430 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 8,214 | 10/1/2019 | 77 | 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 20). Steam Store. Steam Store.
- Valve Corporation. (2026, March 20). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2026, March 17). Dota 2 on Steam. Steam Store.
- Valve Corporation. (2026, March 18). PUBG: BATTLEGROUNDS on Steam. Steam Store.
- Valve Corporation. (2026, March 20). Marvel Rivals on Steam. Steam Store.
- Valve Corporation. (2026, March 20). Bongo Cat on Steam. Steam Store.
- Valve Corporation. (2026, March 21). Tom Clancy's Rainbow Six Siege on Steam. Steam Store.
- Valve Corporation. (2026, March 18). Apex Legends™ on Steam. Steam Store.
- Valve Corporation. (2026, March 20). Overwatch® on Steam. Steam Store.
- Valve Corporation. (2026, March 21). Delta Force on Steam. Steam Store.
- Valve Corporation. (2026, March 20). Team Fortress 2 on Steam. Steam Store.