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

At Dead Of Night

At Dead Of Night is part horror film, part horror game and part ghost hunt. It blends live-action and graphics to create a unique immersive horror experience like no other.

Price 15.79€
Rating 9.0
Release 19 Nov 2020

Firefighting Simulator - The Squad

Firefighting Simulator lets you experience what it means to fight fires up close as an active part of a major US city's firefighting crew - together with up to 3 friends in the co-op multiplayer- or in the single player mode.

Price -50% 11.49€
Rating 7.9
Release 17 Nov 2020

Ghostbusters: The Video Game Remastered

The beloved and critically acclaimed Ghostbusters video game is back! Strap on your proton pack once again and join the Ghostbusters on the adventure with the voice and likeness of the original crew as you battle to save New York!

Price -88% 2.42€
Rating 8.6
Release 17 Nov 2020

Bee Simulator

Live the big adventure of a small bee! Explore a world brimming with life in which you collect pollen, defy dangerous wasps and save your hive! Play with others in three game modes, including four players co-op and PvP on split screen.

Price -92% 1.53€
Rating 7.1
Release 17 Nov 2020

Disc Space

Disc Space is a multiplayer Ultimate Frisbee game with up to 10 players online. Play with your friends or find new ones. Unlimited fun is guaranteed.

Price Free to play
Rating 8.0
Release 13 Nov 2020

Need for Speed™ Hot Pursuit Remastered

Feel the thrill of the chase and the rush of escape behind the wheels of the world’s hottest high-performance cars in Need for Speed™ Hot Pursuit Remastered– a heart-pumping, socially competitive racing experience.

Price 29.99€
Rating 7.9
Release 06 Nov 2020

Stowaway

An 10 player online social deduction game inspired by games like Among Us & Town of Salem, where the stowaway is tasked with killing the crew before they reach land!

Price -84% 0.63€
Rating 7.2
Release 06 Nov 2020

Fantasy Grounds VTT

FANTASY GROUNDS is a powerful virtual tabletop that allows your TTRPG group to connect - whether you're around a table or online. With its updated visuals, versatile interface, comprehensive features, and vast library of supported game systems, Fantasy Grounds VTT provides unforgettable experiences!

Price 48.99€
Rating 7.9
Release 05 Nov 2020

Thief Simulator VR

Become a thief in VR! Feel the thrill of stealing in free roam sandbox neighborhoods. Use lockpicks and hi-tech hacking tools. Observe your target, gather information and hide from police. Or drive a car like crazy to get out of trouble!

Price 16.79€
Rating 6.6
Release 05 Nov 2020

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.

Price Free to play
Rating 6.7
Release 04 Nov 2020

SpellForce 3 Fallen God

Command the Trolls and lead them on an epic journey across the wild continent of Urgath. As Chieftain of the Moonkin, a tribe driven from its home by tusk hunters and disease, their survival is in your hands.

Price 19.99€
Rating 8.3
Release 03 Nov 2020

Kingdoms Reborn

A city builder with simulated citizens, set in a procedurally-generated world map. Grow your kingdom through the eras from a tiny medieval hamlet into a prosperous global empire! Cooperate or compete in real-time with your friends in multiplayer mode.

Price 19.99€
Rating 8.8
Release 02 Nov 2020

Dark Deception: Monsters & Mortals

Dark Deception: Monsters & Mortals is a multiplayer horror party game with multiple modes where players take on the role of monsters or mortals from Dark Deception's universe (and other universes) and fight for soul shards in nightmarish mazes!

Price 3.99€
Rating 7.8
Release 02 Nov 2020

The Dark Pictures Anthology: Little Hope

Trapped and isolated in the abandoned town of Little Hope, 4 college students and their teacher must escape the nightmarish apparitions that relentlessly pursue them through an impenetrable fog.

Price -74% 5.26€
Rating 7.2
Release 29 Oct 2020

Oasis VR

Oasis is an amazing virtual environment where you can make new friends around the world! You can chat with them, play poker, go bowling, or even arrange a home party in several virtual worlds. You can also create your own avatars for you and your friends!

Price Free to play
Rating 8.2
Release 26 Oct 2020

Witch It

Witch It is a multiplayer hide & seek game set in a vibrant, magical world. Brave hunters seek hidden witches that curse their villages!

Price -79% 4.25€
Rating 8.7
Release 22 Oct 2020

10 Miles To Safety

The Apocalypse has arrived and your goal is simple: Make it 10 miles to safety through a limitless procedurally-generated world overrun with The Infected and packed with the tools and weapons to fight them.

Price 7.95€
Rating 7.0
Release 21 Oct 2020

Scribble It!

Scribble It! is a multiplayer drawing and guessing game. Get in a lobby with up to 16 players and choose from thousands of official words, packaged in a variety of high-quality themes and 3 multiplayer game modes. Perfect for game nights, parties or just hanging out with friends.

Price Free to play
Rating 8.4
Release 20 Oct 2020

Circle of Sumo: Online Rumble!

Use your belly to your advantage! Challenge players all over the world and climb the leaderboards. Fight into the arena: charge, hit, dodge and defeat the opponents. Let's have some good old fun!

Price Free to play
Rating 8.7
Release 17 Oct 2020

9 Monkeys of Shaolin

The true rebirth of iconic beat 'em up genre in vein of old-school video games! As a simple Chinese fisherman Wei Cheng you have to avenge the death of your friends and family slaughtered in a pirate raid at your peaceful village.

Price -80% 3.99€
Rating 8.1
Release 16 Oct 2020

Fishing: North Atlantic - Enhanced Edition

Commercial fishing in North Atlantic! Discover majestic world of Canadian Nova Scotia while admiring the vast diversity of ocean life. Search for the ocean gold with upgradable fishing boats and various fishing gear as you progress in your fisherman career.

Price -80% 5.99€
Rating 7.5
Release 16 Oct 2020

Age of Empires III: Definitive Edition

Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product.

Price Free to play
Rating 8.3
Release 15 Oct 2020

Cook, Serve, Delicious! 3?!

Cook, serve and manage your food truck as you dish out hundreds of different foods across war-torn America in this massive sequel to the million-selling series!

Price -94% 1.00€
Rating 8.7
Release 14 Oct 2020

The Jackbox Party Pack 7

Five new games: the hit threequel Quiplash 3, the collaborative chaos of The Devils and the Details, the fierce drawing game Champ’d Up, the speech game Talking Points and the guessing game Blather 'Round. Use phones or tablets as controllers and play with up to 8 players, and an audience of 10,000!

Price 29.99€
Rating 9.3
Release 14 Oct 2020

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 201,130 peak concurrent players over the last day.
9.7
135,794
1,973

201,130
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 101,419 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

101,419
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 50,039 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

50,039
players

4. RuneScape: Dragonwilds

On RuneScape’s forgotten continent of Ashenfall, dragons have awoken. Gather, build, skill and craft to survive in this co-operative (1-4) survival crafting game. Only by mastering survival and uncovering ancient secrets can they hope to slay the Dragon Queen—alone or with allies. RuneScape: Dragonwilds is a early access, survival and multiplayer game developed and published by Jagex Ltd. Released on April 15th 2025 has received 5,183 reviews of which 4,334 were positive and 849 were negative resulting in a rating of 8.1 out of 10. With 43,771 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played co-op games.
8.1
4,334
849

43,771
players

5. 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 493,660 reviews of which 470,616 were positive and 23,044 were negative resulting in an impressive rating of 9.5 out of 10. With 28,063 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played co-op games.
9.5
470,616
23,044

28,063
players

6. 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 23,960 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played co-op games.
8.9
593,923
68,751

23,960
players

7. 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 21,064 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played co-op games.
9.7
929,269
23,463

21,064
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 16,301 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

16,301
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 14,624 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

14,624
players

10. 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 13,178 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played co-op games.
9.5
730,347
31,726

13,178
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. F.E.A.R. 3

F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline. F.E.A.R. 3 is a fps, horror and co-op game developed by Day 1 Studios and published by Warner Bros. Interactive Entertainment. Released on June 21st 2011 has received 12,621 reviews of which 8,996 were positive and 3,625 were negative resulting in a rating of 7 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
8,996
3,625

-93% 19.71€ 1.38€

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 6,127 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

6,127
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 5,691, 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

5,691
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 941, 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

941
players

4. 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 359 players due to its free access, this strategy game has achieved the #4 position in the best free co-op games on Steam.
7.6
90,334
27,659

359
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 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 356 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
25,659
2,168

356
players

6. 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 324 players due to its free access, this strategy game has achieved the #6 position in the best free co-op games on Steam.
7.5
15,484
4,778

324
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 260 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

260
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 219 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

219
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 156 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

156
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