Free Co-op Games on Steam
Steam currently has 10,614 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 2/23/2026.
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 9,408,288 reviews on Steam. This breaks down to a total of 8,121,233 positive reviews and 1,287,055 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 2,668,807 reviews on Steam. This breaks down to a total of 2,165,823 positive reviews and 502,984 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 2,676,774 reviews on Steam. This breaks down to a total of 1,608,860 positive reviews and 1,067,914 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 91,103 reviews on Steam. This breaks down to a total of 88,622 positive reviews and 2,481 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. 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 #5 spot for the best free Co-op games. Its score was calculated by analyzing a total of 370,536 reviews on Steam. This breaks down to a total of 286,342 positive reviews and 84,194 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 |
6. 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 28, placing it in the #6 spot for the best free Co-op games. Its score was calculated by analyzing a total of 380,875 reviews on Steam. This breaks down to a total of 106,745 positive reviews and 274,130 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 |
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 82, placing it in the #7 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,482,789 reviews on Steam. This breaks down to a total of 1,225,141 positive reviews and 257,648 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 |
8. 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 #8 spot for the best free Co-op games. Its score was calculated by analyzing a total of 1,032,913 reviews on Steam. This breaks down to a total of 697,074 positive reviews and 335,839 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 |
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 173,389 reviews on Steam. This breaks down to a total of 101,436 positive reviews and 71,953 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. 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 #10 spot for the best free Co-op games. Its score was calculated by analyzing a total of 651,914 reviews on Steam. This breaks down to a total of 571,147 positive reviews and 80,767 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 |
More Free Co-op Games
Explore even more rankings for the 100 best free Co-op games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 714,583 | 8/21/2012 | 86 | Free | Steam Charts | |
| 471,221 | 7/9/2013 | 81 | Free | Steam Charts | |
| 144,682 | 12/21/2017 | 60 | Free | Steam Charts | |
| 137,485 | 3/5/2025 | 96 | Free | Steam Charts | |
| 108,316 | 12/6/2024 | 77 | Free | Steam Charts | |
| 99,061 | 8/10/2023 | 28 | Free | Steam Charts | |
| 76,192 | 12/1/2015 | 82 | Free | Steam Charts | |
| 66,748 | 11/5/2020 | 67 | Free | Steam Charts | |
| 58,378 | 12/4/2024 | 58 | Free | Steam Charts | |
| 53,339 | 3/25/2013 | 87 | Free | Steam Charts | |
 | 44,313 | 10/10/2007 | 90 | Free | Steam Charts | |
 | 39,696 | 5/16/2020 | 96 | Free | Steam Charts | |
 | 25,485 | 11/15/2017 | 76 | Free | Steam Charts | |
 | 12,738 | 12/8/2023 | 78 | Free | Steam Charts | |
 | 10,565 | 10/1/2019 | 77 | Free | Steam Charts | |
 | 10,522 | 7/9/2024 | 76 | Free | Steam Charts | |
 | 10,316 | 9/30/2021 | 50 | Free | Steam Charts | |
 | 10,104 | 10/17/2017 | 80 | Free | Steam Charts | |
 | 10,038 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 8,549 | 7/17/2025 | 54 | 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, February 23). Steam Store. Steam Store.
- Valve Corporation. (2026, February 23). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2026, February 24). Dota 2 on Steam. Steam Store.
- Valve Corporation. (2026, February 11). PUBG: BATTLEGROUNDS on Steam. Steam Store.
- Valve Corporation. (2026, February 22). Bongo Cat on Steam. Steam Store.
- Valve Corporation. (2026, February 22). Marvel Rivals on Steam. Steam Store.
- Valve Corporation. (2026, February 23). Overwatch® on Steam. Steam Store.
- Valve Corporation. (2026, February 24). Tom Clancy's Rainbow Six® Siege X on Steam. Steam Store.
- Valve Corporation. (2026, February 24). Apex Legends™ on Steam. Steam Store.
- Valve Corporation. (2026, February 24). Delta Force on Steam. Steam Store.
- Valve Corporation. (2026, February 21). Warframe on Steam. Steam Store.