Best Co-op Games on Steam

Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated co-op games. For those who prefer not to search, lists of the most played, top deals and best free co-op games are available at the bottom of the page.

Filters & Lists
FINAL FANTASY XIV Online Join over 30 million adventurers worldwide and take part in an epic and ever-changing FINAL FANTASY. Experience an unforgettable story, exhilarating battles, and a myriad of captivating environments to explore.

Price 9.99€
Rating 8.7
Release 18 Feb 2014
Ikaruga Shoot! Dodge! and... Get Hit!? "Ikaruga" is a vertical shoot 'em up that features an unique polarity-switching gameplay. Switch the ship's polarity and "get hit and absorb" enemy bullets! Achieve High Score with the chain bonus!

Price 8.99€
Rating 9.0
Release 18 Feb 2014
Drox Operative Drox Operative is a starship action RPG with warring alien races, fierce space battles, a dynamic, evolving galaxy, and co-op multiplayer for Windows and Mac.Eons ago the Drox ruled the galaxy through their mighty Operatives. These elite starship captains were trained to accomplish the impossible at whatever cost necessary.

Price 19.50€
Rating 8.3
Release 18 Feb 2014
METAL SLUG 3 “METAL SLUG 3”, the masterpiece in SNK’s emblematic 2D run & gun action shooting game series, still continues to fascinate millions of fans worldwide to this day for its intricate dot-pixel graphics, and simple and intuitive game controls, heads out to the Steam gaming platform!

Price -85% 1.06€
Rating 8.7
Release 14 Feb 2014
Descent Prepare To Start Your Descent.Sensory overload in 360° 3-D.Welcome to Descent™ - 27 levels of the most mind-bending, stomach-churning action game ever. Featuring true 3-Dimensional worlds with light source shading, texture mapping, 3-D morphing, directional sound effects and sizzling music, this is technology taken to the limit.

Price 19.99€
Rating 8.9
Release 11 Feb 2014
Double Dragon: Neon BRO-TACULAR! Legendary martial artists, Billy and Jimmy Lee return in this creative re-imagining of the classic beat ‘em up, Double Dragon Neon. Fight your way through countless henchmen including Linda and Abobo on your way to rescue the love of your life, Marian!

Price -94% 0.64€
Rating 7.5
Release 06 Feb 2014
CastleMiner Z CastleMiner Z is an infinite world filled with deep places to explore, and horrifying monsters to slay. Build structures out of blocks, craft weapons and tools from raw materials, and explore the vast and frightening world around you.

Price 5.89€
Rating 7.9
Release 03 Feb 2014
Aqua Kitty - Milk Mine Defender Aqua Kitty is a fast paced retro styled submarine arcade shooter with optional 2 player local Co-op.Blast through hordes of mechanical sea monsters in your kitty sub and defend the deep sea milk mining kittens!THE MILK MUST FLOW!

Price -88% 0.88€
Rating 8.1
Release 03 Feb 2014
Aces Wild: Manic Brawling Action! Aces Wild is a fast-paced, hardcore, aerial beat 'em up!Engage in insane aerial martial arts combat against countless opponents!It utilizes a 'Wild Meter' which increases the power of your attacks butalso makes enemies more aggressive!

Price -79% 2.13€
Rating 7.1
Release 31 Jan 2014
Octodad: Dadliest Catch Octodad: Dadliest Catch is a game about destruction, deception, and fatherhood. The player controls Octodad, a dapper octopus masquerading as a human, as he goes about his life. Octodad's existence is a constant struggle, as he must master mundane tasks with his unwieldy boneless tentacles while simultaneously keeping his cephalopodan...

Price -70% 4.31€
Rating 9.1
Release 30 Jan 2014
Serena How long has it been? A man sits in a distant getaway cabin waiting for his wife Serena. Where is she? Things in the cabin evoke memories, and the husband comes to a disturbing realization... This short point-and-click adventure is the result of a massive collaborative effort between dozens of fans and designers of adventure games.

Price Free to play
Rating 7.5
Release 30 Jan 2014
Hero Siege Hero Siege brings you the loot with a legion of playable character classes, procedually generated world, over 1000 unique items, endless replayability and a wide variety of dungeons and dangerous zones to explore!

Price 7.79€
Rating 6.8
Release 29 Jan 2014
Original War An American geological expedition, under a UN mandate, assesses the natural resources in a distant part of Siberia, deep in the trackless steppes of Eastern Russia. But instead of oil, they discover a deposit of a hitherto unknown mineral.

Price -80% 1.99€
Rating 9.0
Release 27 Jan 2014
Insurgency Take to the streets for intense close quarters combat, where a team's survival depends upon securing crucial strongholds and destroying enemy supply in this multiplayer and cooperative Source Engine based experience.

Price -66% 4.25€
Rating 9.1
Release 22 Jan 2014
Blockland Blockland is a non-linear sandbox game with no set goals, giving players the freedom to design and construct elaborate structures. Styled as a tiny minifigure, players build inside of the virtual world using bricks reminiscent of toy blocks.

Price 9.75€
Rating 7.1
Release 16 Dec 2013
Just Cause 2: Multiplayer Mod JC2-MP is a project to bring multiplayer to Just Cause 2 in all of its magnificent glory. Imagine the chaos of normal Just Cause 2, then extending it out to dozens, hundreds, and even thousands of players.

Price Free to play
Rating 8.9
Release 16 Dec 2013
Viscera Cleanup Detail: Santa's Rampage Tragedy! Santa; the toy giving folk-hero, and purveyor of fine Christmas goods, has had enough. Endless requests from greedy children wanting more and more every year, tax increases, pressure from elf unions, bills, reindeer!

Price 2.49€
Rating 8.8
Release 13 Dec 2013
Tiny Brains "Tiny Brains" is a cooperative action puzzler that follows four super-powered lab animals in their attempt to escape a mad scientist's experiments. In this joyously chaotic multiplayer game, the four "Tiny Brains" must combine their unique physics-based powers to navigate through a trick-ridden maze.

Price -80% 1.63€
Rating 7.4
Release 11 Dec 2013
Samurai GUNN Samurai GUNN is a lightning-fast Bushido brawler for two to four players. Each samurai is armed with a sword and gunn, with only 3 bullets to a life. Strategy and quick reflexes are the key to deflecting bullets and sending your opponents’ heads rolling.

Price 4.99€
Rating 8.6
Release 10 Dec 2013
Neverwinter Neverwinter is a free, action MMORPG based on the acclaimed Dungeons & Dragons fantasy roleplaying game. Epic stories, action combat and classic roleplaying await those heroes courageous enough to enter the fantastic world of Neverwinter!

Price Free to play
Rating 7.7
Release 05 Dec 2013
Injustice: Gods Among Us Ultimate Edition Injustice: Gods Among Us Ultimate Edition enhances the bold new franchise to the fighting game genre from NetherRealm Studios. Featuring six new playable characters, over 30 new skins, and 60 new S.T.A.R. Labs missions, this edition packs a punch.

Price -95% 1.12€
Rating 8.4
Release 29 Nov 2013
Panzar PANZAR is a fantasy multiplayer third-person shooter. You get to choose from eight unique character classes, team-based PvP battles, exciting PvE adventures and regular tournaments with real prizes. Advanced RPG elements, the non-target combat system and the most modern graphics by CryEngine 3 will make your combat experience...

Price Free to play
Rating 6.5
Release 25 Nov 2013
Ring Runner: Flight of the Sages Ring Runner combines the fast-paced action of space combat with the rich story and skill variety of an RPG.Trek across the universe in a 30 hour long story-driven campaign based on a companion Sci Fi novel, or challenge 6 scenarios alone, cooperatively, or competitively through local or online multiplayer.

Price 4.99€
Rating 7.9
Release 19 Nov 2013
LEGO® Marvel™ Super Heroes LEGO® Marvel™ Super Heroes features an original story crossing the entire Marvel Universe. Players take control of Iron Man, Spider-Man, the Hulk, Captain America, Wolverine and many more Marvel characters as they unite to stop Loki and a host of other Marvel villains from assembling a super-weapon capable of destroying the world.

Price 19.99€
Rating 9.3
Release 15 Nov 2013

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 June 17th 2025.

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 horror, multiplayer and survival horror game developed and published by Behaviour Interactive Inc.. 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 46,537 peak concurrent players over the last day.
7.9
630,223
166,993

46,537
players

2. 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 co-op, action and fps game developed by OVERKILL - a Starbreeze Studio. and published by Starbreeze Publishing AB. 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. While seeing 37,592 players online at once in the last 24 hours, this game is currently ranked #2 among co-op games based on player count.
8.9
594,327
68,755

37,592
players

3. 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 horror, online co-op and multiplayer game developed and published by semiwork. 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. While seeing 28,970 players online at once in the last 24 hours, this game is currently ranked #3 among co-op games based on player count.
9.5
179,154
6,488

28,970
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 zombies, co-op and fps game developed and published by Valve. 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 23,822 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

23,822
players

5. 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 simulation, co-op and crime game developed and published by TVGS. 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 20,638 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played co-op games.
9.7
200,803
3,238

20,638
players

6. 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 survival, open world survival craft and multiplayer game developed and published by Klei Entertainment. 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 12,600 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played co-op games.
9.4
475,393
23,668

12,600
players

7. 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 horror, online co-op and multiplayer game developed and published by Kinetic Games. 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 11,332 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played co-op games.
9.5
736,611
32,168

11,332
players

8. Borderlands 2

The Ultimate Vault Hunter’s Upgrade lets you get the most out of the Borderlands 2 experience. Borderlands 2 is a loot, shooter and action game developed by Gearbox Software, Aspyr (Mac) and Aspyr (Linux) and published by Aspyr (Mac), Aspyr (Linux) and 2K. Released on September 20th 2012 has received 295,218 reviews of which 272,900 were positive and 22,318 were negative resulting in an impressive rating of 9.2 out of 10. With 8,330 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played co-op games.
9.2
272,900
22,318

8,330
players

9. Risk of Rain 2

Escape a chaotic alien planet by fighting through hordes of frenzied monsters – with your friends, or on your own. Combine loot in surprising ways and master each character until you become the havoc you feared upon your first crash landing. Risk of Rain 2 is a third-person shooter, action roguelike and multiplayer game developed by Hopoo Games and published by Gearbox Publishing. Released on August 11th 2020 has received 313,577 reviews of which 293,127 were positive and 20,450 were negative resulting in an impressive rating of 9.3 out of 10. With 7,721 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played co-op games.
9.3
293,127
20,450

7,721
players

10. Grounded

The world is a vast, beautiful and dangerous place – especially when you have been shrunk to the size of an ant. Can you thrive alongside the hordes of giant insects, fighting to survive the perils of the backyard? Grounded is a survival, multiplayer and co-op game developed by Obsidian Entertainment and published by Xbox Game Studios. Released on September 27th 2022 has received 84,517 reviews of which 75,482 were positive and 9,035 were negative resulting in a rating of 8.8 out of 10. With 6,938 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played co-op games.
8.8
75,482
9,035

6,938
players

Best deals on co-op games on Steam

Discover fantastic savings with the best discounts on a variety of co-op games available on Steam right now, updated on June 17th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted co-op games.

1. Strange Brigade

Embark on an exotic journey into danger in this rip-roaring 1930s third person adventure for 1-4 players! Encounter pulse-pounding action, treacherous traps and tales of derring-do! Strange Brigade is a action, adventure and co-op game developed and published by Rebellion. Released on August 27th 2018 has received 10,728 reviews of which 9,034 were positive and 1,694 were negative resulting in a rating of 8.2 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for co-op category.
8.2
9,034
1,694

-99% 49.99€ 0.82€

2. Warhammer: End Times - Vermintide

Vermintide is an epic co-operative action combat adventure set in the End Times of the iconic Warhammer Fantasy world. Warhammer: End Times - Vermintide is a action, online co-op and co-op game developed and published by Fatshark. Released on October 23rd 2015 has received 21,090 reviews of which 16,874 were positive and 4,216 were negative resulting in a rating of 7.9 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in co-op games.
7.9
16,874
4,216

-99% 28.99€ 0.45€

3. The Ascent

The Ascent is a solo and co-op Action-shooter RPG set in a cyberpunk world. The mega corporation that owns you and everyone, The Ascent Group, has just collapsed. Can you survive without it? The Ascent is a top-down shooter, cyberpunk and rpg game developed by Neon Giant and published by Curve Games. Released on July 29th 2021 has received 22,884 reviews of which 16,932 were positive and 5,952 were negative resulting in a rating of 7.3 out of 10. Thanks to its incredible 99% discount, this game is now the #3 best deal in co-op games.
7.3
16,932
5,952

-99% 29.99€ 0.49€

4. BattleGroupVR

BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship. BattleGroupVR is a space sim, space and vr game developed and published by SpaceOwl Games. Released on July 31st 2023 has received 902 reviews of which 834 were positive and 68 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for co-op games.
8.7
834
68

-98% 20.99€ 0.42€

5. Trine 4: The Nightmare Prince

The best-selling Trine series returns to the magic of 2.5D! Join three iconic heroes as they set off on a quest through fantastical fairytale landscapes to save the world from the Nightmare Prince’s shadows. Trine 4: The Nightmare Prince is a puzzle-platformer, local co-op and online co-op game developed and published by Frozenbyte. Released on October 08th 2019 has received 13,379 reviews of which 11,924 were positive and 1,455 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for co-op games.
8.7
11,924
1,455

-98% 29.99€ 0.62€

6. King Of The Castle

Take your rightful place on the throne in this political party game for 4+ players. Rule the kingdom with an iron fist or silver tongue as you steer through bloodshed, intrigue & madcap disaster! Can you keep your crown when others plot your downfall? More importantly, can you keep your head? King Of The Castle is a strategy, choices matter and fantasy game developed by Tributary Games and published by Team17. Released on March 02nd 2023 has received 1,456 reviews of which 1,293 were positive and 163 were negative resulting in a rating of 8.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for co-op games.
8.5
1,293
163

-98% 9.99€ 0.23€

7. AI War 2

The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground. AI War 2 is a 4x, grand strategy and multiplayer game developed and published by Arcen Games and LLC. Released on October 22nd 2019 has received 1,490 reviews of which 1,318 were positive and 172 were negative resulting in a rating of 8.4 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for co-op games.
8.4
1,318
172

-98% 19.50€ 0.49€

8. Embr

Fight fires for fun and profit in this unpredictable and frantic multiplayer game. Team up with friends, take on daily challenges and climb to the top of the corporate firefighting ladder. More than one way to become a hero! Embr is a action, simulation and strategy game developed by Muse Games and published by Curve Games. Released on September 23rd 2021 has received 1,961 reviews of which 1,704 were positive and 257 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for co-op games.
8.3
1,704
257

-98% 19.99€ 0.57€

9. DG2: Defense Grid 2

Setting the bar as the definitive tower defense game, Defense Grid 2 introduces new worlds and threats to test your tower placement strategies. With a bold new look and the addition of new game modes, player-versus-player and multiplayer co-op, every play brings fun new opportunities and challenges. DG2: Defense Grid 2 is a strategy, tower defense and indie game developed by Hidden Path Entertainment and published by Hidden Path Entertainment and 505 Games. Released on September 23rd 2014 has received 3,163 reviews of which 2,723 were positive and 440 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for co-op games.
8.3
2,723
440

-98% 12.49€ 0.26€

10. Police Stories

A fresh take on top-down shooters with an emphasis on tactics that forces you to make split second decisions. Neutralize criminals, rescue civilians and defuse bombs in Single Player mode or Co-op. And remember - shooting first is not an option! Police Stories is a action, strategy and co-op game developed and published by HypeTrain Digital. Released on September 19th 2019 has received 8,701 reviews of which 7,406 were positive and 1,295 were negative resulting in a rating of 8.3 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for co-op games.
8.3
7,406
1,295

-98% 19.99€ 0.53€

Free co-op games on Steam

Check out this fantastic list of free-to-play co-op games you can enjoy on Steam right now, updated on June 17th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play co-op games.

1. 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 free to play, naval combat and action game developed and published by Wargaming Group Limited. 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 4,641 active players enjoying it for free, this strategy game has reached the #1 spot among the top free co-op games on Steam.
7.6
112,887
33,665

4,641
players

2. SCP: Secret Laboratory

Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape. SCP: Secret Laboratory is a free to play, multiplayer and horror game developed and published by Northwood Studios. Released on December 29th 2017 has received 214,309 reviews of which 195,923 were positive and 18,386 were negative resulting in an impressive rating of 9.0 out of 10. Thanks to its free to play tag and a daily player base of 2,397, this co-op game has secured the #2 spot in the ranking of free co-op games on Steam.
9.0
195,923
18,386

2,397
players

3. One-armed robber

One-armed robber is a chaotic first-person heist game that centers around a uniquely challenging premise. Players take the role of a determined robber equipped with only one arm, tasked with pulling off daring heists on banks, shops, and various establishments. One-armed robber is a free to play, multiplayer and heist game developed and published by Duhndal. Released on December 15th 2023 has received 38,728 reviews of which 35,393 were positive and 3,335 were negative resulting in a rating of 9.0 out of 10. Thanks to its free to play tag and a daily player base of 896, this co-op game has secured the #3 spot in the ranking of free co-op games on Steam.
9.0
35,393
3,335

896
players

4. Caliber

Caliber is a team-based online shooter focused on special forces units from all over the world. More than 70 operators with unique abilities and weapons as well as various game modes and maps are waiting for you. Caliber is a multiplayer, free to play and combat game developed by 1C Game Studios and published by FOR-GAMES CR LTD. Released on April 12th 2023 has received 20,618 reviews of which 15,691 were positive and 4,927 were negative resulting in a rating of 7.5 out of 10. Attracting a solid base of 319 players due to its free access, this strategy game has achieved the #4 position in the best free co-op games on Steam.
7.5
15,691
4,927

319
players

5. One-armed cook

One-armed cook is a chaotic co-op cooking game for up to 4 people. Work as a team or cook on your own, set your own pace, and don't let the stress of a full restaurant catch up to you. The goofy physics-based aspect of the game gives this cooking game a new twist. One-armed cook is a multiplayer, free to play and co-op game developed and published by Duhndal. Released on August 30th 2022 has received 28,426 reviews of which 26,165 were positive and 2,261 were negative resulting in an impressive rating of 9.0 out of 10. Attracting a solid base of 268 players due to its free access, this strategy game has achieved the #5 position in the best free co-op games on Steam.
9.0
26,165
2,261

268
players

6. Sven Co-op

Sven Co-op is a co-operative game originally based around Valve Software's Half-Life. In this game players must work together against computer controlled enemies and solve puzzles as a team. Sven Co-op is a co-op, fps and online co-op game developed and published by Sven Co-op team. Released on January 22nd 2016 has received 31,316 reviews of which 29,316 were positive and 2,000 were negative resulting in an impressive rating of 9.2 out of 10. Attracting a solid base of 256 players due to its free access, this strategy game has achieved the #6 position in the best free co-op games on Steam.
9.2
29,316
2,000

256
players

7. We Were Here

Lost in a frozen wasteland and split up from your partner inside an abandoned castle, the only possession you have left is a walkie-talkie with a familiar voice on the other end. Can the two of you find your way out in time? We Were Here is a free to play, co-op and escape room game developed and published by Total Mayhem Games. Released on February 03rd 2017 has received 29,997 reviews of which 27,014 were positive and 2,983 were negative resulting in a rating of 8.8 out of 10. Attracting a solid base of 177 players due to its free access, this strategy game has achieved the #7 position in the best free co-op games on Steam.
8.8
27,014
2,983

177
players

8. Alien Swarm: Reactive Drop

Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics. Alien Swarm: Reactive Drop is a twin stick shooter, pve and top-down shooter game developed and published by Reactive Drop Team. Released on April 20th 2017 has received 22,649 reviews of which 21,500 were positive and 1,149 were negative resulting in an impressive rating of 9.3 out of 10. Attracting a solid base of 106 players due to its free access, this strategy game has achieved the #8 position in the best free co-op games on Steam.
9.3
21,500
1,149

106
players

9. Dodgy Deliveries

Co-op "Horror" game about running a delivery service with your friends! B̵̨̦͓͖̹̪̥̮͛̀̏̈́̐̔̉Ę̴̤̦̤͓̰̤́͗̚ ̵̨̺͓̱̞͔͉͙̀̂͂͋͠͠Ç̸̫͈̋͋͆̋̾̑̕͜Ä̴̛̟͑͛͋͂̌̕͜͝R̵̛͎̮̜̒̽̈́͂̓̒͘Ę̸͉̙̎̀͐͆Ḟ̶̼͖̭͇̗U̸̡̫͇̤̭̪̦̣̔Ḷ̶̛͖̙͗̋̈̇̕ ̷̡̢͕̦̜͚̌̎̃̔Ā̷̧͇͎̳͔̩̜̤̗͊̋Ţ̸̭̩͚̮͖͇̹̬̾ ̷͍̞̰͈̻̣͚̂̾ͅN̵̛̤͒̏̒͝Ḯ̵̡̘͇̖̏͘Ģ̸̛͙̥̞̽̀͒͜H̶̲̜̺̐̄͋͊̍̈́͘͜T̴̯̲̳̪͚̜̼̈͠ Dodgy Deliveries is a online co-op, horror and co-op game developed by Tomas Gonzalez and German Rieck and published by Deliver Games. Released on January 31st 2025 has received 1,033 reviews of which 764 were positive and 269 were negative resulting in a rating of 7.1 out of 10. The game currently holds the #9 spot among the most played free co-op games on Steam.
7.1
764
269

78
players

10. Otherworld Legends 战魂铭人

A "blood-pumping, face-bashing" roguelike brawler. Master heroes of your choice, craft uniquely broken builds, and hack & pummel through a myriad of dungeons in a thrilling rampage. Otherworld Legends 战魂铭人 is a co-op, rpg and action game developed and published by ChillyRoom. Released on October 30th 2024 has received 1,287 reviews of which 802 were positive and 485 were negative resulting in a rating of 6.1 out of 10. The game currently holds the #10 spot among the most played free co-op games on Steam.
6.1
802
485

64
players