Free Co-op Games on Steam
Steam currently has 9,122 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 6/26/2025.
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 8,855,010 reviews on Steam. This breaks down to a total of 7,673,506 positive reviews and 1,181,504 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. 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 #2 spot for the best free Co-op games. Its score was calculated by analyzing a total of 2,569,052 reviews on Steam. This breaks down to a total of 1,527,805 positive reviews and 1,041,247 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 |
3. 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 #3 spot for the best free Co-op games. Its score was calculated by analyzing a total of 2,510,702 reviews on Steam. This breaks down to a total of 2,045,602 positive reviews and 465,100 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).
4. 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 #4 spot for the best free Co-op games. Its score was calculated by analyzing a total of 998,113 reviews on Steam. This breaks down to a total of 670,295 positive reviews and 327,818 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 |
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 63, placing it in the #5 spot for the best free Co-op games. Its score was calculated by analyzing a total of 118,000 reviews on Steam. This breaks down to a total of 74,412 positive reviews and 43,588 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. 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 #6 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,416,218 reviews on Steam. This breaks down to a total of 1,181,384 positive reviews and 234,834 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 |
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 78, placing it in the #7 spot for the best free Co-op games. Its score was calculated by analyzing a total of 294,279 reviews on Steam. This breaks down to a total of 232,723 positive reviews and 61,556 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. 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 #8 spot for the best free Co-op games. Its score was calculated by analyzing a total of 622,271 reviews on Steam. This breaks down to a total of 544,020 positive reviews and 78,251 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 |
9. 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 #9 spot for the best free Co-op games. Its score was calculated by analyzing a total of 237,415 reviews on Steam. This breaks down to a total of 210,850 positive reviews and 26,565 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 |
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 1,165,626 reviews on Steam. This breaks down to a total of 1,049,102 positive reviews and 116,524 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 | ||||
|---|---|---|---|---|---|---|
| 850,472 | 8/21/2012 | 86 | Free | Steam Charts | |
| 354,253 | 12/21/2017 | 59 | Free | Steam Charts | |
| 335,914 | 7/9/2013 | 81 | Free | Steam Charts | |
| 108,282 | 11/5/2020 | 67 | Free | Steam Charts | |
| 101,124 | 12/4/2024 | 63 | Free | Steam Charts | |
| 75,023 | 12/1/2015 | 83 | Free | Steam Charts | |
| 61,479 | 12/6/2024 | 78 | Free | Steam Charts | |
| 55,043 | 3/25/2013 | 87 | Free | Steam Charts | |
| 53,261 | 10/23/2013 | 88 | Free | Steam Charts | |
| 45,215 | 10/10/2007 | 89 | Free | Steam Charts | |
 | 30,362 | 5/16/2020 | 96 | Free | Steam Charts | |
 | 23,713 | 8/10/2023 | 25 | Free | Steam Charts | |
 | 22,975 | 7/9/2024 | 73 | Free | Steam Charts | |
 | 17,801 | 10/1/2019 | 79 | Free | Steam Charts | |
 | 11,702 | 12/8/2023 | 77 | Free | Steam Charts | |
 | 11,676 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 9,608 | 4/28/2025 | 88 | Free | Steam Charts | |
 | 8,704 | 9/29/2021 | 48 | Free | Steam Charts | |
 | 8,107 | 10/17/2017 | 81 | Free | Steam Charts | |
 | 7,065 | 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, June 26). Steam Store. Steam Store.
- Valve Corporation. (2025, June 26). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2025, June 26). PUBG: BATTLEGROUNDS on Steam. Steam Store.
- Valve Corporation. (2025, June 27). Dota 2 on Steam. Steam Store.
- Valve Corporation. (2025, June 27). Apex Legends™ on Steam. Steam Store.
- Valve Corporation. (2025, June 28). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, June 28). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store.
- Valve Corporation. (2025, June 26). Marvel Rivals on Steam. Steam Store.
- Valve Corporation. (2025, June 27). Warframe on Steam. Steam Store.
- Valve Corporation. (2025, June 23). Path of Exile on Steam. Steam Store.
- Valve Corporation. (2025, June 27). Team Fortress 2 on Steam. Steam Store.