Best Online 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 online co-op games. For those who prefer not to search, lists of the most played, top deals and best free online co-op games are available at the bottom of the page.
Filters & Lists
Resident Evil Revelations
Resident Evil® Revelations returns redefined for PC complete with high quality HD visuals, enhanced lighting effects and an immersive sound experience.
Sanctum 2
Sanctum 2 is the sequel to the world’s first Tower Defense/FPS hybrid game. Pick from four unique character classes and embark on a mission to protect the oxygen-producing Cores from hordes of deadly aliens who are threatened by their existence.
Zeno Clash 2
Ghat's story is far from over: Zeno Clash 2 picks up where the deliciously brazen first game left off. After 4 years of waiting, the sequel to the surreal first-person brawler brings more variety in combat and levels, and even more bizarre storytelling into the beguiling world of Zenozoik.
Cry of Fear
Cry of Fear is a psychological single-player and co-op horror game set in a deserted town filled with horrific creatures and nightmarish delusions. You play as a young man desperately searching for answers in the cold Scandinavian night, finding his way through the city as he slowly descends into madness.
Monaco: What's Yours Is Mine
Monaco: What's Yours Is Mine is a single player or co-op heist game. Assemble a crack team of thieves, case the joint, and pull off the perfect heist.
ORION: Prelude
Work together to survive the devastating Dinosaur horde in huge, endless environments.
Sacred Citadel
Sharpen your axe, string your bow, brew your potions! Ancaria needs heroes like you. Grab your friends to join the resistance!The once peaceful land of Ancaria is in grave danger. The evil Ashen empire has enslaved its population and is using the orc-like Grimmoc to wipe out the Seraphim, who swore to protect it.
Kingdom Wars
Kingdom Wars is a free to play 3D MMORTS with real-time siege combat, without the pay to win element so common in the genre. Kingdom Wars offers beautiful 3D online world, where players construct strongholds, direct citizens, complete quests and eventually manage a global empire.
Resident Evil 6
Blending action and survival horror, Resident Evil 6 promises to be the dramatic horror experience of 2013.
Worms Armageddon
Those intrepid invertebrates return with a vengeance in the much-loved Worms™ Armageddon. It’s a whole new can of worms! It’s hilarious fun that you can enjoy on your own or with all your friends.
Sniper: Ghost Warrior 2
Sniper: Ghost Warrior 2 takes the bulls-eye precision of its predecessor to new and exciting heights!
Euro Truck Simulator
The original Euro Truck Simulator - the game which has become the classic of the genre and is still relevant today. The first truck simulation game in a European setting, with European long haul trucks!
Sniper Elite: Nazi Zombie Army
** Please note: a remastered and improved edition of this game is now available in Zombie Army Trilogy.**Featuring a co-op campaign for 1 to 4 players, Nazi Zombie Army is a horrifying new stand-alone expansion of the award-winning Sniper Elite series.
Star Conflict
Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!
Sonic & All-Stars Racing Transformed Collection
Compete across land, water and air in incredible transforming vehicles that change from cars to boats to planes mid-race.
Baldur's Gate: Enhanced Edition
The classic adventure returns! Baldur’s Gate: Enhanced Edition includes the original Baldur’s Gate adventure, the Tales of the Sword Coast expansion, and all-new content including three new party members.
PlanetSide 2
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.
Call of Duty®: Black Ops II
Pushing the boundaries of what fans have come to expect from the record-setting entertainment franchise, Call of Duty®: Black Ops II propels players into a near future Cold War
Painkiller Hell & Damnation
Evil has returned! Demonic powers are manifesting themselves as a myriad of dark creatures, fighting over the fates of imprisoned souls caught in Purgatory.
Natural Selection 2
A fast paced multiplayer shooter that pits aliens against humans in a strategic and action-packed struggle for survival!
Guns of Icarus Online
Assemble your crew, take to the skies in the premier PvP airship combat game. Guns of Icarus Online is all about flying massive airships, shooting big turret weapons, and working as a team for supremacy of the skies. Everyone as one, victory or death, together.
Rocketbirds: Hardboiled Chicken
Annihilate an evil penguin regime in this cinematic platform adventure game offering full solo and co-op campaigns.Most played online co-op games on Steam
Take a look at the top online co-op games that are currently attracting the largest player bases on the Steam platform, as of April 30th 2025.
1. 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 141,665 reviews of which 136,708 were positive and 4,957 were negative resulting in an impressive rating of 9.5 out of 10. The game has hit the top spot as the #1 most played online co-op game, thanks to its 56,367 peak concurrent players over the last day.
9.5
136,708
4,957
56,367
players
2. DayZ
How long can you survive a post-apocalyptic world? A land overrun with an infected "zombie" population, where you compete with other survivors for limited resources. Will you team up with strangers and stay strong together? Or play as a lone wolf to avoid betrayal? This is DayZ – this is your story. DayZ is a survival, open world and online co-op game developed and published by Bohemia Interactive. Released on December 13th 2018 has received 426,541 reviews of which 326,984 were positive and 99,557 were negative resulting in a rating of 7.6 out of 10. While seeing 31,544 players online at once in the last 24 hours, this game is currently ranked #2 among online co-op games based on player count.
7.6
326,984
99,557
31,544
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 790,041 reviews of which 624,264 were positive and 165,777 were negative resulting in a rating of 7.9 out of 10. While seeing 28,299 players online at once in the last 24 hours, this game is currently ranked #3 among online co-op games based on player count.
7.9
624,264
165,777
28,299
players
4. HELLDIVERS™ 2
The Galaxy’s Last Line of Offence. Enlist in the Helldivers and join the fight for freedom across a hostile galaxy in a fast, frantic, and ferocious third-person shooter. HELLDIVERS™ 2 is a online co-op, pve and third-person shooter game developed by Arrowhead Game Studios and published by PlayStation Publishing LLC. Released on February 08th 2024 has received 989,576 reviews of which 755,031 were positive and 234,545 were negative resulting in a rating of 7.6 out of 10. With 18,780 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played online co-op games.
7.6
755,031
234,545
18,780
players
5. Valheim
A brutal exploration and survival game for 1-10 players, set in a procedurally-generated purgatory inspired by viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage! Valheim is a open world survival craft, survival and online co-op game developed by Iron Gate AB and published by Coffee Stain Publishing. Released on February 02nd 2021 has received 496,650 reviews of which 468,624 were positive and 28,026 were negative resulting in an impressive rating of 9.4 out of 10. With 17,441 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played online co-op games.
9.4
468,624
28,026
17,441
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 764,580 reviews of which 732,704 were positive and 31,876 were negative resulting in an impressive rating of 9.5 out of 10. With 10,655 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played online co-op games.
9.5
732,704
31,876
10,655
players
7. Bloons TD 6
The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available. Bloons TD 6 is a tower defense, strategy and multiplayer game developed and published by Ninja Kiwi. Released on December 17th 2018 has received 351,886 reviews of which 342,292 were positive and 9,594 were negative resulting in an impressive rating of 9.6 out of 10. With 9,207 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played online co-op games.
9.6
342,292
9,594
9,207
players
8. Enshrouded
You are Flameborn, last ember of hope of a dying race. Awaken, survive the terror of a corrupting fog, and reclaim the lost beauty of your kingdom. Venture into a vast world, vanquish punishing bosses, build grand halls and forge your path in this co-op survival action RPG for up to 16 players. Enshrouded is a open world, survival and base-building game developed and published by Keen Games GmbH. Released on January 24th 2024 has received 74,913 reviews of which 64,919 were positive and 9,994 were negative resulting in a rating of 8.5 out of 10. With 6,133 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played online co-op games.
8.5
64,919
9,994
6,133
players
9. Supermarket Together
The multiplayer supermarket has arrived to your neighbourhood for free! Stock your shop space, unlock perks and franchises, hire employees or chase those pesky shoplifters. The more players, the more action! Supermarket Together is a simulation, online co-op and multiplayer game developed and published by DeadDevsTellNoLies. Released on August 09th 2024 has received 64,362 reviews of which 61,131 were positive and 3,231 were negative resulting in an impressive rating of 9.3 out of 10. With 4,073 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played online co-op games.
9.3
61,131
3,231
4,073
players
10. Tom Clancy’s The Division® 2
Join an elite group of civilian agents in this action-packed RPG shooter. Engage in intense tactical combat, team-up with your friends, and survive in a dynamic open world to save Washington, D.C. Tom Clancy’s The Division® 2 is a looter shooter, open world and multiplayer game developed and published by Ubisoft. Released on January 12th 2023 has received 21,491 reviews of which 16,355 were positive and 5,136 were negative resulting in a rating of 7.5 out of 10. With 3,636 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played online co-op games.
7.5
16,355
5,136
3,636
players
Best deals on online co-op games on Steam
Discover fantastic savings with the best discounts on a variety of online co-op games available on Steam right now, updated on April 30th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted online co-op games.
1. 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. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for online co-op category.
6.9
445
174
-95%
20.00€
1.00€
2. 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 13,256 reviews of which 11,828 were positive and 1,428 were negative resulting in a rating of 8.7 out of 10. Thanks to its incredible 93% discount, this game is now the #2 best deal in online co-op games.
8.7
11,828
1,428
-93%
28.14€
1.97€
3. Borderlands 3
The original shooter-looter returns, packing bazillions of guns and a mayhem-fueled adventure! Blast through new worlds and enemies as one of four new Vault Hunters. Borderlands 3 is a rpg, looter shooter and multiplayer game developed by Gearbox Software and published by 2K. Released on March 13th 2020 has received 146,466 reviews of which 124,552 were positive and 21,914 were negative resulting in a rating of 8.4 out of 10. Thanks to its incredible 93% discount, this game is now the #3 best deal in online co-op games.
8.4
124,552
21,914
-93%
59.71€
4.18€
4. 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 4,002 reviews of which 3,164 were positive and 838 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 93% discount, this title has earned the #4 position in the best deals for online co-op games.
7.7
3,164
838
-93%
15.29€
1.07€
5. Gotham Knights
Batman is dead. It is now up to the Batman Family - Batgirl, Nightwing, Red Hood, and Robin - to protect Gotham City. Gotham Knights is a action, open world and superhero game developed by Warner Bros. Games Montréal and QLOC and published by Warner Bros. Games. Released on October 21st 2022 has received 22,529 reviews of which 15,192 were positive and 7,337 were negative resulting in a rating of 6.7 out of 10. Currently offered at a significant 93% discount, this title has earned the #5 position in the best deals for online co-op games.
6.7
15,192
7,337
-93%
56.00€
3.92€
6. From Space
From Space is a solo and co-op action-shooter for squads up to four players. Take on the challenge of liberating the earth from an alien infestation with your friends, using over-the-top weaponry in a post-apocalyptic world with awesomely stylized graphics. The apocalypse has never been so much fun! From Space is a action, co-op and online co-op game developed by Triangle Studios and published by Curve Games. Released on November 03rd 2022 has received 1,876 reviews of which 1,271 were positive and 605 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 93% discount, this title has earned the #6 position in the best deals for online co-op games.
6.6
1,271
605
-93%
14.29€
1.00€
7. Orcs Must Die! 2
You’ve tossed, burned and sliced them by the thousands – now orcs must die more than ever before! Grab a friend and slay orcs in untold numbers in this sequel to the 2011 AIAS Strategy Game of the Year from Robot Entertainment. Orcs Must Die! 2 is a tower defense, co-op and action game developed and published by Robot Entertainment. Released on July 30th 2012 has received 19,251 reviews of which 17,894 were positive and 1,357 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 92% discount, this title has earned the #7 position in the best deals for online co-op games.
9.1
17,894
1,357
-92%
12.50€
1.00€
8. For The King
For The King is a strategic RPG that blends tabletop and roguelike elements in a challenging adventure that spans the realms. Set off on a single player experience or play cooperatively both online and locally. For The King is a rpg, online co-op and turn-based game developed by IronOak Games and published by Curve Games. Released on April 19th 2018 has received 41,205 reviews of which 36,349 were positive and 4,856 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 92% discount, this title has earned the #8 position in the best deals for online co-op games.
8.7
36,349
4,856
-92%
20.00€
1.60€
9. Killing Floor 2
In KILLING FLOOR 2, players descend into continental Europe after it has been overrun by horrific, murderous clones called Zeds that were created by rogue elements of the Horzine Corporation. 6-player Co-Op & 12-player VS Zed-slaughtering mayhem. Killing Floor 2 is a zombies, multiplayer and online co-op game developed and published by Tripwire Interactive. Released on November 18th 2016 has received 126,532 reviews of which 111,048 were positive and 15,484 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 92% discount, this title has earned the #9 position in the best deals for online co-op games.
8.7
111,048
15,484
-92%
29.13€
2.33€
10. Back 4 Blood
Back 4 Blood is a thrilling cooperative first-person shooter from the creators of the critically acclaimed Left 4 Dead franchise. Experience the intense 4 player co-op narrative campaign, competitive multiplayer as human or Ridden, and frenetic gameplay that keeps you in the action. Back 4 Blood is a zombies, online co-op and multiplayer game developed by Turtle Rock Studios and published by Warner Bros. Games. Released on October 12th 2021 has received 67,866 reviews of which 46,414 were positive and 21,452 were negative resulting in a rating of 6.8 out of 10. Currently offered at a significant 92% discount, this title has earned the #10 position in the best deals for online co-op games.
6.8
46,414
21,452
-92%
62.25€
4.98€
Free online co-op games on Steam
Check out this fantastic list of free-to-play online co-op games you can enjoy on Steam right now, updated on April 30th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play online co-op games.
1. Supermarket Together
The multiplayer supermarket has arrived to your neighbourhood for free! Stock your shop space, unlock perks and franchises, hire employees or chase those pesky shoplifters. The more players, the more action! Supermarket Together is a simulation, online co-op and multiplayer game developed and published by DeadDevsTellNoLies. Released on August 09th 2024 has received 64,362 reviews of which 61,131 were positive and 3,231 were negative resulting in an impressive rating of 9.3 out of 10. With 4,073 active players enjoying it for free, this strategy game has reached the #1 spot among the top free online co-op games on Steam.
9.3
61,131
3,231
4,073
players
2. Stumble Guys
Ready for the chaos? Stumble Guys is a 32-player, fast-paced multiplayer party royale where players dash, jump, and fall across hilarious obstacle courses in a fun race to be the last one standing. Stumble Guys is a free to play, battle royale and multiplayer game developed and published by Scopely. Released on October 07th 2021 has received 127,054 reviews of which 108,054 were positive and 19,000 were negative resulting in a rating of 8.4 out of 10. Thanks to its free to play tag and a daily player base of 2,907, this online co-op game has secured the #2 spot in the ranking of free online co-op games on Steam.
8.4
108,054
19,000
2,907
players
3. Goose Goose Duck
Goose Goose Duck is a game of social deduction for up to 16 players. Players are separated into different groups that are each assigned a different objective. Complete your team’s objective to win! Goose Goose Duck is a multiplayer, free to play and online co-op game developed and published by Gaggle Studios and Inc.. Released on October 03rd 2021 has received 71,763 reviews of which 62,221 were positive and 9,542 were negative resulting in a rating of 8.5 out of 10. Thanks to its free to play tag and a daily player base of 1,676, this online co-op game has secured the #3 spot in the ranking of free online co-op games on Steam.
8.5
62,221
9,542
1,676
players
4. Rec Room
Rec Room is the best place to build and play games together. Party up with friends from all around the world to chat, hang out, explore MILLIONS of player-created rooms, or build something new and amazing to share with us all. Rec Room is a free to play, vr and multiplayer game developed and published by Rec Room. Released on September 02nd 2021 has received 70,607 reviews of which 63,368 were positive and 7,239 were negative resulting in a rating of 8.8 out of 10. Attracting a solid base of 1,160 players due to its free access, this strategy game has achieved the #4 position in the best free online co-op games on Steam.
8.8
63,368
7,239
1,160
players
5. DDNet
Want to play the hardest cooperative 2D platformer ever? Want to finish no map ever? Want to be in pain for hours and cry, getting nothing in return? Come play DDNet with a large community of other sufferers! DDNet is a online co-op, free to play and multiplayer game developed and published by DDNet Team. Released on August 17th 2020 has received 36,475 reviews of which 32,665 were positive and 3,810 were negative resulting in a rating of 8.8 out of 10. Attracting a solid base of 860 players due to its free access, this strategy game has achieved the #5 position in the best free online co-op games on Steam.
8.8
32,665
3,810
860
players
6. Stay Out
Stay Out - is a MMORPG with shooter elements, based on spirit of “stalking” - an urban exploration, searching and exploring mysterious, abandoned and forgotten by humanity pieces of our planet. Stay Out is a free to play, survival and multiplayer game developed and published by MOBITECH LLC. Released on November 27th 2019 has received 25,334 reviews of which 16,483 were positive and 8,851 were negative resulting in a rating of 6.4 out of 10. Attracting a solid base of 589 players due to its free access, this strategy game has achieved the #6 position in the best free online co-op games on Steam.
6.4
16,483
8,851
589
players
7. BAPBAP
Join BAPBAP, the Roguelike Party game where no two matches are ever the same. Round up your homies, pick a character, and build a giga-unfair build that'll make them hate you - then do it all over again! BAPBAP is a early access, pvp and deckbuilding game developed and published by BAP HQ. Released on March 12th 2025 has received 1,384 reviews of which 1,107 were positive and 277 were negative resulting in a rating of 7.7 out of 10. Attracting a solid base of 332 players due to its free access, this strategy game has achieved the #7 position in the best free online co-op games on Steam.
7.7
1,107
277
332
players
8. Dungeon Defenders II
Dungeon Defenders II is a cooperative Action Tower Defense game packed with roleplaying elements like loot, leveling, and pets. Dungeon Defenders II is a multiplayer, online co-op and co-op campaign game developed and published by Chromatic Games. Released on June 20th 2017 has received 21,785 reviews of which 16,859 were positive and 4,926 were negative resulting in a rating of 7.6 out of 10. Attracting a solid base of 303 players due to its free access, this strategy game has achieved the #8 position in the best free online co-op games on Steam.
7.6
16,859
4,926
303
players
9. 3on3 FreeStyle: Rebound
3on3 FreeStyle: Rebound allows players to work with their teammates to pull off rim-shaking slam dunks, awe-inspiring alley-oops, flashy no-look passes, and clutch outside shots which breaks the heart of the opposing team in competitive games filled with the joy and energy of street basketball. 3on3 FreeStyle: Rebound is a basketball, team-based and pvp game developed and published by Joycity. Released on July 14th 2020 has received 3,764 reviews of which 2,386 were positive and 1,378 were negative resulting in a rating of 6.2 out of 10. Attracting a solid base of 201 players due to its free access, this strategy game has achieved the #9 position in the best free online co-op games on Steam.
6.2
2,386
1,378
201
players
10. Puzzle Together Multiplayer Jigsaw Puzzles
Multiplayer jigsaw puzzles with voice chat! Play on your own or with friends, and feel like you're all sitting around the same table. Millions of puzzle images, upload your own, or create any puzzle you can imagine just by describing it! Puzzle Together Multiplayer Jigsaw Puzzles is a puzzle, casual and multiplayer game developed and published by IronZog. Released on December 09th 2020 has received 4,385 reviews of which 3,756 were positive and 629 were negative resulting in a rating of 8.3 out of 10. Attracting a solid base of 199 players due to its free access, this strategy game has achieved the #10 position in the best free online co-op games on Steam.
8.3
3,756
629
199
players