Free Co-op Games on Steam
Steam currently has 8,715 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 4/23/2025.
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 8,731,763 reviews on Steam. This breaks down to a total of 7,576,621 positive reviews and 1,155,142 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 2,471,889 reviews on Steam. This breaks down to a total of 2,015,069 positive reviews and 456,820 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 2,538,470 reviews on Steam. This breaks down to a total of 1,506,914 positive reviews and 1,031,556 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 80, placing it in the #4 spot for the best free Co-op games. Its score was calculated by analyzing a total of 269,733 reviews on Steam. This breaks down to a total of 217,081 positive reviews and 52,652 negative reviews — making it "Very 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. 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 988,594 reviews on Steam. This breaks down to a total of 663,860 positive reviews and 324,734 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 65, placing it in the #6 spot for the best free Co-op games. Its score was calculated by analyzing a total of 101,066 reviews on Steam. This breaks down to a total of 65,696 positive reviews and 35,370 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 615,632 reviews on Steam. This breaks down to a total of 538,715 positive reviews and 76,917 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. Overwatch® 2
Overwatch 2 is a critically acclaimed, team-based shooter game set in an optimistic future with an evolving roster of heroes. Team up with friends and jump in today.
Overwatch® 2 has achieved a Player Score of 24, placing it in the #8 spot for the best free Co-op games. Its score was calculated by analyzing a total of 337,724 reviews on Steam. This breaks down to a total of 78,663 positive reviews and 259,061 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® 2 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. Once Human
Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world.
Once Human has achieved a Player Score of 73, placing it in the #9 spot for the best free Co-op games. Its score was calculated by analyzing a total of 125,636 reviews on Steam. This breaks down to a total of 92,793 positive reviews and 32,843 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 Once Human on the Steam Deck.
| Release Date | 7/9/2024 |
| Developer | Starry Studio |
| Publisher | Starry Studio |
| Steam App Id | 2139460 |
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 1,152,711 reviews on Steam. This breaks down to a total of 1,033,889 positive reviews and 118,822 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 | ||||
|---|---|---|---|---|---|---|
| 680,349 | 8/21/2012 | 86 | Free | Steam Charts | |
| 272,968 | 7/9/2013 | 81 | Free | Steam Charts | |
| 229,222 | 12/21/2017 | 59 | Free | Steam Charts | |
| 123,349 | 12/6/2024 | 80 | Free | Steam Charts | |
| 74,194 | 11/5/2020 | 67 | Free | Steam Charts | |
| 51,717 | 12/4/2024 | 65 | Free | Steam Charts | |
| 31,710 | 3/25/2013 | 87 | Free | Steam Charts | |
| 27,904 | 8/10/2023 | 24 | Free | Steam Charts | |
| 23,104 | 7/9/2024 | 73 | Free | Steam Charts | |
| 22,135 | 10/10/2007 | 89 | Free | Steam Charts | |
 | 18,845 | 5/16/2020 | 96 | Free | Steam Charts | |
 | 15,874 | 10/1/2019 | 79 | Free | Steam Charts | |
 | 8,552 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 8,549 | 12/8/2023 | 77 | Free | Steam Charts | |
 | 6,082 | 10/17/2017 | 81 | Free | Steam Charts | |
 | 5,866 | 5/16/2018 | 78 | Free | Steam Charts | |
 | 5,540 | 5/10/2023 | 69 | Free | Steam Charts | |
 | 5,234 | 11/15/2017 | 76 | Free | Steam Charts | |
 | 4,823 | 6/30/2024 | 56 | Free | Steam Charts | |
 | 4,055 | 3/6/2025 | 72 | 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, April 23). Steam Store. Steam Store.
- Valve Corporation. (2025, April 23). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2025, April 23). Dota 2 on Steam. Steam Store.
- Valve Corporation. (2025, April 16). PUBG: BATTLEGROUNDS on Steam. Steam Store.
- Valve Corporation. (2025, April 23). Marvel Rivals on Steam. Steam Store.
- Valve Corporation. (2025, April 24). Apex Legends™ on Steam. Steam Store.
- Valve Corporation. (2025, April 24). Delta Force on Steam. Steam Store.
- Valve Corporation. (2025, April 16). Warframe on Steam. Steam Store.
- Valve Corporation. (2025, April 23). Overwatch® 2 on Steam. Steam Store.
- Valve Corporation. (2025, April 23). Once Human on Steam. Steam Store.
- Valve Corporation. (2025, April 23). Team Fortress 2 on Steam. Steam Store.