Free Co-op Games on Steam
Steam currently has 11,175 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 5/8/2026.
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 9,580,545 reviews on Steam. This breaks down to a total of 8,254,690 positive reviews and 1,325,855 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 80, placing it in the #2 spot for the best free Co-op games. Its score was calculated by analyzing a total of 2,707,625 reviews on Steam. This breaks down to a total of 2,189,148 positive reviews and 518,477 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 2,708,153 reviews on Steam. This breaks down to a total of 1,632,953 positive reviews and 1,075,200 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 95, placing it in the #4 spot for the best free Co-op games. Its score was calculated by analyzing a total of 100,277 reviews on Steam. This breaks down to a total of 96,869 positive reviews and 3,408 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Bongo Cat on the Steam Deck (though some functionality may be limited).
| 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 1,046,831 reviews on Steam. This breaks down to a total of 708,137 positive reviews and 338,694 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 181,736 reviews on Steam. This breaks down to a total of 105,885 positive reviews and 75,851 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 661,607 reviews on Steam. This breaks down to a total of 580,248 positive reviews and 81,359 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 |
| Franchise | Digital Extremes Ltd. |
| 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 76, placing it in the #8 spot for the best free Co-op games. Its score was calculated by analyzing a total of 386,115 reviews on Steam. This breaks down to a total of 295,837 positive reviews and 90,278 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 1,230,114 reviews on Steam. This breaks down to a total of 1,118,262 positive reviews and 111,852 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. World of Warships
Immerse yourself in thrilling naval battles and assemble an armada of over 800 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!
World of Warships has achieved a Player Score of 76, placing it in the #10 spot for the best free Co-op games. Its score was calculated by analyzing a total of 154,414 reviews on Steam. This breaks down to a total of 118,276 positive reviews and 36,138 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 World of Warships on the Steam Deck (though some functionality may be limited).
| Release Date | 11/15/2017 |
| Franchise | World of Warships Franchise |
| Developer | Wargaming Group Limited |
| Publisher | Wargaming Group Limited |
| Steam App Id | 552990 |
More Free Co-op Games
Explore even more rankings for the 100 best free Co-op games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 598,257 | 8/21/2012 | 86 | Free | Steam Charts | |
| 317,143 | 7/9/2013 | 80 | Free | Steam Charts | |
| 244,940 | 12/21/2017 | 60 | Free | Steam Charts | |
| 130,886 | 3/5/2025 | 95 | Free | Steam Charts | |
| 94,889 | 11/5/2020 | 67 | Free | Steam Charts | |
| 80,576 | 12/4/2024 | 58 | Free | Steam Charts | |
| 45,450 | 3/25/2013 | 87 | Free | Steam Charts | |
| 42,460 | 12/6/2024 | 76 | Free | Steam Charts | |
| 41,155 | 10/10/2007 | 90 | Free | Steam Charts | |
| 39,025 | 11/15/2017 | 76 | Free | Steam Charts | |
 | 36,106 | 12/1/2015 | 82 | Free | Steam Charts | |
 | 32,905 | 8/10/2023 | 30 | Free | Steam Charts | |
 | 16,024 | 5/16/2020 | 96 | Free | Steam Charts | |
 | 13,602 | 11/14/2025 | 86 | Free | Steam Charts | |
 | 13,560 | 4/28/2025 | 88 | Free | Steam Charts | |
 | 12,586 | 7/7/2017 | 90 | Free | Steam Charts | |
 | 8,671 | 7/9/2024 | 77 | Free | Steam Charts | |
 | 7,694 | 12/7/2023 | 78 | Free | Steam Charts | |
 | 7,260 | 9/30/2021 | 50 | Free | Steam Charts | |
 | 6,536 | 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, May 8). Steam Store. Steam Store.
- Valve Corporation. (2026, May 8). Counter-Strike 2 on Steam. Steam Store.
- Valve Corporation. (2026, May 9). Dota 2 on Steam. Steam Store.
- Valve Corporation. (2026, April 29). PUBG: BATTLEGROUNDS on Steam. Steam Store.
- Valve Corporation. (2026, May 10). Bongo Cat on Steam. Steam Store.
- Valve Corporation. (2026, May 8). Apex Legends™ on Steam. Steam Store.
- Valve Corporation. (2026, May 11). Delta Force on Steam. Steam Store.
- Valve Corporation. (2026, May 10). Warframe on Steam. Steam Store.
- Valve Corporation. (2026, May 9). Marvel Rivals on Steam. Steam Store.
- Valve Corporation. (2026, April 17). Team Fortress 2 on Steam. Steam Store.
- Valve Corporation. (2026, May 6). World of Warships on Steam. Steam Store.