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.
KunKun dream Startles the Soul
Multiplayer , yes! You have been trapped in KunKun's dream, you and your trapped companions have to find a way to escape and avoid these Grotesque Object! Grotesque Objectlike playing basketball and worship chickens, hate watermelons, and even come Let me seeASKA
Lay claim to unspoiled lands and pave the way for a fierce Viking tribe. Craft the ultimate settlement solo or together with up to x3 friends. Trust in the Gods and the power of the Eye of Odin and summon intelligent NPC villagers to provide camaraderie and relief from the toils of survival.Chained Together
From the depths of hell, climb chained to your friends through diverse worlds. Solo or co-op, try to reach the summit and discover what awaits you there...Crime Boss: Rockay City
Crime Boss: Rockay City is a 1-4 player co-op FPS heist game with enjoyable stealth and epic killing spree combat. Featuring a solo roguelike campaign that combines FPS and strategy elements with the most hilariously cheesy voice acting that make you laugh.Avatar: Frontiers of Pandora™
Avatar: Frontiers of Pandora™ is a first-person, action-adventure game set in the Western Frontier. Reconnect with your lost heritage and discover what it truly means to be Na'vi as you join other clans to protect Pandora.TFC: The Fertile Crescent
Gather resources, build your base, and lead your people to victory in this captivating reimagining of classic base-building RTS, set in the Bronze Age. Secure fertile land, fend off raids, and stockpile food to generate knowledge and unlock powerful village advancements.Dark and Darker
An unforgiving hardcore fantasy FPS dungeon PvPvE adventure. Band together with your friends and use your courage, wits, and cunning to uncover mythical treasures, defeat gruesome monsters, while staying one step ahead of the other devious treasure-hunters.Sneak Out
Sneak Out is a free to play multiplayer game full of mischief and fun for up to six players. Enter the Haunted Castle and prepare to hunt, hide, or prank 'em all, causing all kinds of hilarious mayhem while trying to win the deadly game of hide and seek!Diabotical Rogue
Welcome to our online first-person shooter that combines fast-paced combat and roguelike upgrades. Choose from 4 base suits each with their unique flair. Improvise. Adapt. Overcome your opponents and teammates alike.Killer Klowns from Outer Space: The Game
Plan your own alien invasion and harvest humans as the iconic Killer Klowns, or gather a team of survivors to fight the extraterrestrial threat, in a game based on the ‘80s cult classic movie. Welcome to a new, craazzy take on the asymmetrical multiplayer horror experience!ContractVille
Plan, design, build, and decorate your dream house in an open-world. Smash walls, sketch your layout, then build and decorate every inch—inside and garden. In an open world, tackle each renovation solo or with up to 4 friends. Pick up that hammer and start creating - Your dream house is waiting!Night of the Dead
'Night of the Dead' is an open-world game that combines elements of exploration, tower defense, survival, and crafting. Traverse a world dominated by zombies while collecting various resources and powerful equipment. Build a fortress to survive the hordes of zombies that swarm every night!RIPOUT
Ripout is an online Co-Op horror FPS that will have players fight their way through procedurally generated derelict ships filled with mutants capable of reconfiguring their alien bodies. Survive with your trusty Pet Gun companion, collect loot, and customize your character to fit your playstyle.Ships At Sea
Experience the thrill of navigating a wide range of ships. In single- and multiplayer modes, immerse yourself in tasks such as service, cargo transport, and commercial fishing as you explore the breathtaking open world of Norway´s Islands and its stunning scenery. The ocean is within your reach!Taora : Survival
Taora is an open world survival game with unique character building and crafting. Build and upgrade your base, and survive the zombie apocalypse !Viking Rise
Race against other players to explore Valhalla and conquer Midgard!Pampas & Selene: The Maze of Demons
Join Pampas and Selene as they overcome monsters, demons, and the Dark Priest with the help of the gods themselves! Explore this co-opvania 8-bit platformer alone or with a friend. This retro game is a loving tribute to an MSX2 masterpiece from the creator of UnEpic, Ghost 1.0, and UnMetal.Ghost of Tsushima DIRECTOR'S CUT
A storm is coming. Venture into the complete Ghost of Tsushima DIRECTOR’S CUT on PC; forge your own path through this open-world action adventure and uncover its hidden wonders. Brought to you by Sucker Punch Productions, Nixxes Software and PlayStation Studios.Men of War II
Experience warfare like never before! Men of War II, the anticipated sequel to the highly acclaimed RTS franchise is here with all-new units, locations, campaigns, game modes and true trademarks of the series: historical fidelity and action-filled gameplay on the Eastern and Western Fronts of WWII.What the Fog
What the Fog?! You’ve been sucked into a cursed boardgame! Now you and a friend will need to work together to survive. Run, jump, dash, and shoot to escape swarms of angry monsters in this chaotic co-op roguelite from the world of Dead by Daylight.SAMURAI WARRIORS 4 DX
The sparks of destiny ignite in this rich depiction of the Warring States period that features a total of 55 different officers. The deluxe edition contains more than 150 previously released DLC from "SAMURAI WARRIORS 4," including costumes, weapons, customization parts, scenarios, and BGM!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.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.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.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.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.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.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.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.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.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.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.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.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.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.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. 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.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.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.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.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.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.