Discounted 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

TowerFall Ascension

TowerFall Ascension is the definitive version of the hit archery combat game. Inspired by classics from the golden age of couch multiplayer, it's a 4-player local party game centering around hilarious, intense versus matches. The core mechanics are simple and accessible, but hard to master and combat is fierce.

Price -93% 1.00€
Rating 9.1
Release 11 Mar 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 -12% 8.62€
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 -83% 1.00€
Rating 7.9
Release 03 Feb 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 -53% 6.60€
Rating 9.1
Release 30 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

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 -85% 2.99€
Rating 8.4
Release 29 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 -80% 3.79€
Rating 7.9
Release 19 Nov 2013

Project Zomboid

Project Zomboid is the ultimate in zombie survival. Alone or in MP: you loot, build, craft, fight, farm and fish in a struggle to survive. A hardcore RPG skillset, a vast map, massively customisable sandbox and a cute tutorial raccoon await the unwary. So how will you die? All it takes is a bite..

Price -3% 18.99€
Rating 9.3
Release 08 Nov 2013

Final Exam

Jump into the frenzied action and the whacky humor of a pure 2.5D side-scroller! While they were going to their old high school for what was supposed to be the party of their life, four long-time friends end up in a ghost town full of monstrous creatures.

Price -85% 0.74€
Rating 8.0
Release 05 Nov 2013

Sniper Elite: Nazi Zombie Army 2

** Please note: a remastered and improved edition of this game is now available in Zombie Army Trilogy.**Experience a terrifyingly intense co-op campaign for up to four players in this gut-wrenching sequel to Steam best-seller, Sniper Elite: Nazi Zombie Army.

Price -88% 1.76€
Rating 8.2
Release 31 Oct 2013

NARUTO SHIPPUDEN: Ultimate Ninja STORM 3 Full Burst HD

Live the 4th Great Ninja War and its overpowering boss fights or defy your friends in ultra dynamic online and offline ninja confrontations!

Price -50% 9.99€
Rating 8.7
Release 24 Oct 2013

Megabyte Punch

Megabyte Punch is a fighting/beat ‘em up game in which you build your own fighter! As you travel through different environments, you battle other creatures to get their parts. Parts have their own powers and bonuses, like gun arms for a shoot ability or powerful hips for a devastating pelvic thrust attack.

Price -88% 1.66€
Rating 8.5
Release 15 Oct 2013

Gas Guzzlers Extreme

Gas Guzzlers Extreme is a fast, furious, armed-to-the-teeth, trigger-happy shooter, shifted into top gear! Take a white knuckle ride in this crazily addictive combat racing game.

Price -89% 2.71€
Rating 8.3
Release 08 Oct 2013

Cook, Serve, Delicious!

One of the few hardcore restaurant sims in existence, Cook, Serve, Delicious! is a deceptively easy game to learn but incredibly challenging to master as you progress through your career from owning a terrible zero star cafe into a five star world famous restaurant.

Price -90% 1.00€
Rating 9.1
Release 08 Oct 2013

Scribblenauts Unmasked: A DC Comics Adventure

In Scribblenauts Unmasked: A DC Comics Adventure, Maxwell unites with Batman™, Superman™ and the rest of The Justice League™ to restore order to the DC Comics Universe. Challenge your imagination as you battle the mightiest villains in an exciting, action-filled adventure through GOTHAM CITY™, METROPOLIS™, ATLANTIS™ and other iconic...

Price -95% 1.00€
Rating 7.9
Release 24 Sep 2013

Foul Play

Play as the daemon-hunter Baron Dashforth in a side-scrolling co-op brawler set entirely on the grand spectacle of a theatre stage that rewards performance over pummeling. Perform shattering takedowns and reversals!

Price -30% 10.56€
Rating 7.5
Release 18 Sep 2013

Arma 3

Experience true combat gameplay in a massive military sandbox. Deploying a wide variety of single- and multiplayer content, over 20 vehicles and 40 weapons, and limitless opportunities for content creation, this is the PC’s premier military game. Authentic, diverse, open - Arma 3 sends you to war.

Price -57% 11.90€
Rating 9.0
Release 12 Sep 2013

Saints Row IV: Re-Elected

Experience the insane antics of Saints Row IV. The Saints have gone from the Penthouse to the White House - but Earth has been invaded and it’s up to you to save it with an arsenal of superpowers and strange weapons, in the wildest open world game ever.

Price -74% 5.13€
Rating 8.7
Release 22 Aug 2013

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.

Price -78% 2.17€
Rating 8.9
Release 13 Aug 2013

Europa Universalis IV

Rule your land and dominate the world with unparalleled freedom, depth and historical accuracy. Write a new history of the world and build an empire for the ages.

Price -83% 6.66€
Rating 8.6
Release 13 Aug 2013

Hammerwatch

A hack and slash action adventure, set in a fantasy pixel art environment. Play solo or co-op in this adventure from bottom to top of Castle Hammerwatch. Kill hordes of enemies with varied looks and features through four unique environments with traps, hidden secrets and puzzles.

Price -89% 1.12€
Rating 8.7
Release 12 Aug 2013

Guacamelee! Gold Edition

Guacamelee! Gold Edition is a Metroidvania-style action-platformer set in a magical Mexican-inspired world. The game draws its inspiration from traditional Mexican culture and folklore, and features many interesting and unique characters.

Price -75% 3.69€
Rating 9.0
Release 08 Aug 2013

Company of Heroes 2

Experience the ultimate WWII RTS platform with COH2 and its standalone expansions. This package includes the base game, which you can then upgrade by purchasing The Western Front Armies, Ardennes Assault and/or The British Forces. More info in the "About This Game" section below.

Price -88% 2.34€
Rating 7.8
Release 25 Jun 2013

Dungeons & Dragons: Chronicles of Mystara

Dungeons & Dragons: Chronicles of Mystara brings reworkings of two of Capcom’s classic arcade hits - Dungeons & Dragons: Tower of Doom and Dungeons & Dragons: Shadow over Mystara – together in one definitive digital package.

Price -72% 3.86€
Rating 7.8
Release 18 Jun 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 April 19th 2025.

1. 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 137,767 reviews of which 135,794 were positive and 1,973 were negative resulting in an impressive rating of 9.7 out of 10. The game has hit the top spot as the #1 most played co-op game, thanks to its 204,837 peak concurrent players over the last day.
9.7
135,794
1,973

204,837
players

2. 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 comedy game developed and published by semiwork. Released on February 26th 2025 has received 105,828 reviews of which 102,099 were positive and 3,729 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 113,966 players online at once in the last 24 hours, this game is currently ranked #2 among co-op games based on player count.
9.5
102,099
3,729

113,966
players

3. 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 788,584 reviews of which 623,141 were positive and 165,443 were negative resulting in a rating of 7.9 out of 10. While seeing 41,617 players online at once in the last 24 hours, this game is currently ranked #3 among co-op games based on player count.
7.9
623,141
165,443

41,617
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 952,732 reviews of which 929,269 were positive and 23,463 were negative resulting in an impressive rating of 9.7 out of 10. With 28,692 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played co-op games.
9.7
929,269
23,463

28,692
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 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 662,674 reviews of which 593,923 were positive and 68,751 were negative resulting in a rating of 8.9 out of 10. With 22,417 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played co-op games.
8.9
593,923
68,751

22,417
players

6. 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 762,073 reviews of which 730,347 were positive and 31,726 were negative resulting in an impressive rating of 9.5 out of 10. With 19,764 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played co-op games.
9.5
730,347
31,726

19,764
players

7. 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 494,883 reviews of which 471,668 were positive and 23,215 were negative resulting in an impressive rating of 9.4 out of 10. With 15,221 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played co-op games.
9.4
471,668
23,215

15,221
players

8. Warhammer 40,000: Space Marine 2

Embody the superhuman skill and brutality of a Space Marine. Unleash deadly abilities and devastating weaponry to obliterate the relentless Tyranid swarms. Defend the Imperium in spectacular third-person action in solo or multiplayer modes. Warhammer 40,000: Space Marine 2 is a warhammer 40k, action and third-person shooter game developed by Saber Interactive and published by Focus Entertainment. Released on September 09th 2024 has received 157,413 reviews of which 130,499 were positive and 26,914 were negative resulting in a rating of 8.2 out of 10. With 13,827 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played co-op games.
8.2
130,499
26,914

13,827
players

9. Sons Of The Forest

Sent to find a missing billionaire on a remote island, you find yourself in a cannibal-infested hellscape. Craft, build, and struggle to survive, alone or with friends, in this terrifying new open-world survival horror simulator. Sons Of The Forest is a survival, open world and multiplayer game developed by Endnight Games Ltd and published by Newnight . Released on February 22nd 2024 has received 248,117 reviews of which 217,551 were positive and 30,566 were negative resulting in a rating of 8.7 out of 10. With 12,018 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played co-op games.
8.7
217,551
30,566

12,018
players

10. Split Fiction

Embrace mind-blowing moments as you’re pulled deep into the many worlds of Split Fiction, a boundary-pushing co-op adventure. Split Fiction is a co-op, split screen and female protagonist game developed by Hazelight Studios and published by Electronic Arts. Released on March 06th 2025 has received 66,609 reviews of which 65,171 were positive and 1,438 were negative resulting in an impressive rating of 9.6 out of 10. With 8,780 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played co-op games.
9.6
65,171
1,438

8,780
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 April 19th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted co-op games.

1. 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 22,668 reviews of which 16,799 were positive and 5,869 were negative resulting in a rating of 7.3 out of 10. Featuring a massive 97% discount, this game currently holds the #1 spot in the best deals for co-op category.
7.3
16,799
5,869

-97% 34.00€ 1.02€

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 21,040 reviews of which 16,839 were positive and 4,201 were negative resulting in a rating of 7.9 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in co-op games.
7.9
16,839
4,201

-95% 29.20€ 1.46€

3. Kitaria Fables

Action Adventure fused with RPG and Farming elements. Armed with sword, bow and spellbook, fight against a rising darkness threatening the world. Plunder dungeons in search of relics and resources, tend to your farm to make provisions and potions, and take on quests solo, or with a friend! Kitaria Fables is a co-op, action rpg and farming sim game developed by Twin Hearts and published by PQube. Released on September 01st 2021 has received 1,497 reviews of which 1,079 were positive and 418 were negative resulting in a rating of 7.0 out of 10. Thanks to its incredible 95% discount, this game is now the #3 best deal in co-op games.
7.0
1,079
418

-95% 20.40€ 1.02€

4. This Means Warp

It’s co-op space survival fun, Jim, but not as we know it. This Means Warp is an intense spaceship management roguelite experience for 1-4 players. Explore a procedurally generated universe, upgrade your ship, battle dangerous enemies and adapt your strategies to survive in a hostile galaxy. This Means Warp is a survival, online co-op and space game developed by Outlier and published by Jagex Ltd. Released on May 04th 2023 has received 619 reviews of which 445 were positive and 174 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 95% discount, this title has earned the #4 position in the best deals for co-op games.
6.9
445
174

-95% 20.00€ 1.00€

5. Degrees of Separation

Degrees of Separation is a puzzle platformer where cooperation is built into every move. Two contrasting souls, Ember and Rime, fall in love, but are separated by an enigmatic force, and must use their powers to progress through a spectacular world of fantasy and adventure. Degrees of Separation is a local co-op, puzzle-platformer and 2d platformer game developed by Moondrop and published by Maximum Entertainment. Released on February 13th 2019 has received 1,085 reviews of which 889 were positive and 196 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 94% discount, this title has earned the #5 position in the best deals for co-op games.
7.8
889
196

-94% 20.00€ 1.20€

6. 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 13,203 reviews of which 11,784 were positive and 1,419 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 93% discount, this title has earned the #6 position in the best deals for co-op games.
8.7
11,784
1,419

-93% 28.14€ 1.97€

7. Borderlands: The Pre-Sequel

Launch into the Borderlands universe and shoot ‘n’ loot your way through a brand new adventure that rockets you onto Pandora’s moon in Borderlands: The Pre-Sequel! Borderlands: The Pre-Sequel is a looter shooter, co-op and fps game developed by 2K Australia, Gearbox Software and Aspyr (Linux) and published by Aspyr (Linux) and 2K. Released on October 16th 2014 has received 41,144 reviews of which 33,531 were positive and 7,613 were negative resulting in a rating of 8.0 out of 10. Currently offered at a significant 93% discount, this title has earned the #7 position in the best deals for co-op games.
8.0
33,531
7,613

-93% 41.86€ 2.93€

8. Shift Happens

Shift Happens is a cooperative platformer for two. You and a friend shift your mass, throw each other and puzzle your way through four stages of stylized imaginary worlds. Including the occasional backstabbing and taunting. Play with a friend on a couch, online or even special singleplayer levels. Shift Happens is a co-op, online co-op and local co-op game developed by Klonk Games and published by Daedalic Entertainment. Released on February 22nd 2017 has received 3,969 reviews of which 3,140 were positive and 829 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 93% discount, this title has earned the #8 position in the best deals for co-op games.
7.7
3,140
829

-93% 14.71€ 1.03€

9. The Blackout Club

The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed. The Blackout Club is a horror, indie and co-op game developed and published by Question. Released on July 29th 2019 has received 2,828 reviews of which 2,202 were positive and 626 were negative resulting in a rating of 7.5 out of 10. Currently offered at a significant 93% discount, this title has earned the #9 position in the best deals for co-op games.
7.5
2,202
626

-93% 30.43€ 2.13€

10. How 2 Escape

How 2 Escape is an escape-simulation game where two players will need to cooperate on asymmetrical gameplay and devices. "Talk together. Help each other." will be your new motto to survive in How 2 Escape. How 2 Escape is a puzzle, co-op and multiplayer game developed by Breakfirst Games and published by Maximum Entertainment. Released on August 31st 2023 has received 615 reviews of which 453 were positive and 162 were negative resulting in a rating of 7.0 out of 10. Currently offered at a significant 93% discount, this title has earned the #10 position in the best deals for co-op games.
7.0
453
162

-93% 15.43€ 1.08€

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 April 19th 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 co-op game developed and published by Wargaming Group Limited. Released on November 15th 2017 has received 145,891 reviews of which 112,550 were positive and 33,341 were negative resulting in a rating of 7.6 out of 10. With 4,553 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
112,550
33,341

4,553
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 211,312 reviews of which 193,314 were positive and 17,998 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 3,091, this co-op game has secured the #2 spot in the ranking of free co-op games on Steam.
9.0
193,314
17,998

3,091
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 37,077 reviews of which 33,912 were positive and 3,165 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 1,152, this co-op game has secured the #3 spot in the ranking of free co-op games on Steam.
9.0
33,912
3,165

1,152
players

4. 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 27,827 reviews of which 25,659 were positive and 2,168 were negative resulting in an impressive rating of 9.0 out of 10. Attracting a solid base of 412 players due to its free access, this strategy game has achieved the #4 position in the best free co-op games on Steam.
9.0
25,659
2,168

412
players

5. 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 20,262 reviews of which 15,484 were positive and 4,778 were negative resulting in a rating of 7.5 out of 10. Attracting a solid base of 390 players due to its free access, this strategy game has achieved the #5 position in the best free co-op games on Steam.
7.5
15,484
4,778

390
players

6. MultiVersus

MultiVersus is a free-to-play platform fighter that brings the depth of iconic WB stars to life across the nearly endless possibilities of play. MultiVersus is a multiplayer, 2d fighter and co-op game developed by Player First Games and published by Warner Bros. Games. Released on July 19th 2022 has received 117,993 reviews of which 90,334 were positive and 27,659 were negative resulting in a rating of 7.6 out of 10. Attracting a solid base of 385 players due to its free access, this strategy game has achieved the #6 position in the best free co-op games on Steam.
7.6
90,334
27,659

385
players

7. 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 31,184 reviews of which 29,189 were positive and 1,995 were negative resulting in an impressive rating of 9.2 out of 10. Attracting a solid base of 259 players due to its free access, this strategy game has achieved the #7 position in the best free co-op games on Steam.
9.2
29,189
1,995

259
players

8. 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 29,652 reviews of which 26,762 were positive and 2,890 were negative resulting in a rating of 8.8 out of 10. Attracting a solid base of 243 players due to its free access, this strategy game has achieved the #8 position in the best free co-op games on Steam.
8.8
26,762
2,890

243
players

9. E.T.E

The 3D anime-style shooting game "E.T.E" is launching early access soon. It offers three unique environments—sea, land, and air—plus a system for developing female characters and mechas. Famous voice actresses like Sakura Tange, Kana Hanazawa, Rie Tanaka, and Mikako Komatsu voice the characters. E.T.E is a free to play, co-op and strategy game developed by E.T.E studio and published by Exotech Game. Released on April 14th 2025 has received 562 reviews of which 400 were positive and 162 were negative resulting in a rating of 6.8 out of 10. Attracting a solid base of 171 players due to its free access, this strategy game has achieved the #9 position in the best free co-op games on Steam.
6.8
400
162

171
players

10. SAS: Zombie Assault 4

Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing. SAS: Zombie Assault 4 is a free to play, zombies and multiplayer game developed and published by Ninja Kiwi. Released on October 16th 2017 has received 9,011 reviews of which 7,770 were positive and 1,241 were negative resulting in a rating of 8.4 out of 10. Attracting a solid base of 141 players due to its free access, this strategy game has achieved the #10 position in the best free co-op games on Steam.
8.4
7,770
1,241

141
players