Free Co-op Games on Steam
Steam currently has 10,450 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 1/27/2026.
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 9,334,865 reviews on Steam. This breaks down to a total of 8,058,768 positive reviews and 1,276,097 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 2,654,299 reviews on Steam. This breaks down to a total of 2,155,975 positive reviews and 498,324 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 2,663,919 reviews on Steam. This breaks down to a total of 1,598,606 positive reviews and 1,065,313 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. 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 96, placing it in the #4 spot for the best free Co-op games. Its score was calculated by analyzing a total of 87,151 reviews on Steam. This breaks down to a total of 85,137 positive reviews and 2,014 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 |
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 1,028,711 reviews on Steam. This breaks down to a total of 693,956 positive reviews and 334,755 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. 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 #6 spot for the best free Co-op games. Its score was calculated by analyzing a total of 169,271 reviews on Steam. This breaks down to a total of 99,078 positive reviews and 70,193 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 |
7. 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 #7 spot for the best free Co-op games. Its score was calculated by analyzing a total of 648,991 reviews on Steam. This breaks down to a total of 568,358 positive reviews and 80,633 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 |
8. 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 #8 spot for the best free Co-op games. Its score was calculated by analyzing a total of 361,856 reviews on Steam. This breaks down to a total of 280,088 positive reviews and 81,768 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 |
9. 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 #9 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,212,701 reviews on Steam. This breaks down to a total of 1,100,095 positive reviews and 112,606 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).
10. 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 82, placing it in the #10 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,474,382 reviews on Steam. This breaks down to a total of 1,218,887 positive reviews and 255,495 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 |
| Franchise | Tom Clancy Franchise |
| Developer | Ubisoft Montreal |
| Publisher | Ubisoft |
| Steam App Id | 359550 |
More Free Co-op Games
Explore even more rankings for the 100 best free Co-op games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,373,048 | 8/21/2012 | 86 | Free | Steam Charts | |
| 748,501 | 7/9/2013 | 81 | Free | Steam Charts | |
| 402,016 | 12/21/2017 | 60 | Free | Steam Charts | |
| 158,822 | 3/5/2025 | 96 | Free | Steam Charts | |
| 111,650 | 11/5/2020 | 67 | Free | Steam Charts | |
| 85,839 | 12/4/2024 | 58 | Free | Steam Charts | |
| 73,729 | 3/25/2013 | 87 | Free | Steam Charts | |
| 72,846 | 12/6/2024 | 77 | Free | Steam Charts | |
| 53,319 | 10/10/2007 | 90 | Free | Steam Charts | |
| 44,235 | 12/1/2015 | 82 | Free | Steam Charts | |
 | 36,444 | 5/16/2020 | 96 | Free | Steam Charts | |
 | 31,208 | 11/15/2017 | 76 | Free | Steam Charts | |
 | 25,534 | 8/10/2023 | 27 | Free | Steam Charts | |
 | 19,054 | 7/9/2024 | 76 | Free | Steam Charts | |
 | 18,318 | 10/3/2021 | 85 | Free | Steam Charts | |
 | 15,768 | 9/30/2021 | 50 | Free | Steam Charts | |
 | 14,054 | 5/10/2023 | 69 | Free | Steam Charts | |
 | 11,829 | 4/28/2025 | 89 | Free | Steam Charts | |
 | 11,713 | 5/16/2018 | 78 | Free | Steam Charts | |
 | 11,294 | 12/8/2023 | 78 | 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, January 27). Steam Store. Steam Store.
- Valve Corporation. (2026, January 27). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2026, January 25). Dota 2 on Steam. Steam Store.
- Valve Corporation. (2026, January 21). PUBG: BATTLEGROUNDS on Steam. Steam Store.
- Valve Corporation. (2026, January 26). Bongo Cat on Steam. Steam Store.
- Valve Corporation. (2026, January 27). Apex Legends™ on Steam. Steam Store.
- Valve Corporation. (2026, January 27). Delta Force on Steam. Steam Store.
- Valve Corporation. (2026, January 26). Warframe on Steam. Steam Store.
- Valve Corporation. (2026, January 24). Marvel Rivals on Steam. Steam Store.
- Valve Corporation. (2026, January 6). Team Fortress 2 on Steam. Steam Store.
- Valve Corporation. (2026, January 27). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store.