Most Played Co-op Games on Steam

Take a look at the top co-op games that are currently attracting the largest player bases on the Steam platform, as of August 28th 2025. Want to explore even more co-op titles available on Steam? Explore the complete list of the best co-op games.

Lists & Categories

1. Dead by Daylight

Trapped forever in a realm of eldritch evil where even death is not an escape, four determined Survivors face a bloodthirsty Killer in a vicious game of nerve and wits. Pick a side and step into a world of tension and terror with horror gaming's best asymmetrical multiplayer. Dead by Daylight is a game developed and published by . Released on June 14th 2016 has received 797,216 reviews of which 630,223 were positive and 166,993 were negative resulting in a rating of 7.9 out of 10. The game has hit the top spot as the #1 most played co-op game, thanks to its 55,332 peak concurrent players over the last day.
7.9
630,223
166,993

55,332
players

2. PEAK

PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK? PEAK is a game developed and published by . Released on June 16th 2025 has received 119,438 reviews of which 111,756 were positive and 7,682 were negative resulting in an impressive rating of 9.2 out of 10. While seeing 52,343 players online at once in the last 24 hours, this game is currently ranked #2 among co-op games based on player count.
9.2
111,756
7,682

52,343
players

3. Delta Force

Delta Force is back! The iconic series returns as the definitive free-to-play modern team-based tactical shooter and featuring three distinct gameplay modes: large-scale PvP warfare, intense extraction shooter action, and a remake of the legendary Black Hawk Down campaign. Delta Force is a game developed and published by . Released on December 04th 2024 has received 134,024 reviews of which 81,946 were positive and 52,078 were negative resulting in a rating of 6.1 out of 10. While seeing 45,249 players online at once in the last 24 hours, this game is currently ranked #3 among co-op games based on player count.
6.1
81,946
52,078

45,249
players

4. Left 4 Dead 2

Set in the zombie apocalypse, Left 4 Dead 2 (L4D2) is the highly anticipated sequel to the award-winning Left 4 Dead, the #1 co-op game of 2008. This co-operative action horror FPS takes you and your friends through the cities, swamps and cemeteries of the Deep South, from Savannah to New Orleans across five expansive campaigns. Left 4 Dead 2 is a game developed and published by . Released on November 16th 2009 has received 963,983 reviews of which 940,221 were positive and 23,762 were negative resulting in an impressive rating of 9.7 out of 10. With 19,234 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played co-op games.
9.7
940,221
23,762

19,234
players

5. PAYDAY 2

PAYDAY 2 is an action-packed, four-player co-op shooter that once again lets gamers don the masks of the original PAYDAY crew - Dallas, Hoxton, Wolf and Chains - as they descend on Washington DC for an epic crime spree. PAYDAY 2 is a game developed and published by . Released on August 13th 2013 has received 663,082 reviews of which 594,327 were positive and 68,755 were negative resulting in a rating of 8.9 out of 10. With 18,565 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played co-op games.
8.9
594,327
68,755

18,565
players

6. Schedule I

From small-time dope pusher to kingpin - manufacture and distribute a range of drugs throughout the grungy city of Hyland Point. Expand your empire with properties, businesses, employees and more. Schedule I is a game developed and published by . Released on March 24th 2025 has received 204,041 reviews of which 200,803 were positive and 3,238 were negative resulting in an impressive rating of 9.7 out of 10. With 14,694 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played co-op games.
9.7
200,803
3,238

14,694
players

7. R.E.P.O.

An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires. R.E.P.O. is a game developed and published by . Released on February 26th 2025 has received 185,642 reviews of which 179,154 were positive and 6,488 were negative resulting in an impressive rating of 9.5 out of 10. With 14,423 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played co-op games.
9.5
179,154
6,488

14,423
players

8. World of Warships

Immerse yourself in thrilling naval battles and assemble an armada of over 600 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 is a game developed and published by . Released on November 15th 2017 has received 146,552 reviews of which 112,887 were positive and 33,665 were negative resulting in a rating of 7.6 out of 10. With 13,823 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played co-op games.
7.6
112,887
33,665

13,823
players

9. Phasmophobia

Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can. Phasmophobia is a game developed and published by . Released on September 18th 2020 has received 768,779 reviews of which 736,611 were positive and 32,168 were negative resulting in an impressive rating of 9.5 out of 10. With 12,811 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played co-op games.
9.5
736,611
32,168

12,811
players

10. Don't Starve Together

Fight, Farm, Build and Explore Together in the standalone multiplayer expansion to the uncompromising wilderness survival game, Don't Starve. Don't Starve Together is a game developed and published by . Released on April 21st 2016 has received 499,061 reviews of which 475,393 were positive and 23,668 were negative resulting in an impressive rating of 9.4 out of 10. With 10,811 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played co-op games.
9.4
475,393
23,668

10,811
players