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.
Son of a Witch
Action roguelike for 1-4 players with cute graphics and deep game mechanics. Combine dozens of different weapons, magic items, potions and spells with unique effects to beat 8 enemy factions and 28 bosses. Can you find the ancient goblin artifact at the end of the dungeon?Volleying
Tired of sports games in which the computer doesn’t respect your commands? As a physics-based game, Volleying gives the players more control over their moves, as well as delivers unique matches each round. Invite your friends over or play remotely and enjoy this predictably unpredictable experience!Escape First
"Escape First" is a multiplayer escape room puzzle game for virtual reality or desktop PC! It includes 3 different escape rooms to choose from and can be played competitively, co-op or solo.Conan Exiles
An online multiplayer survival game, now with sorcery, set in the lands of Conan the Barbarian. Survive in a vast open world sandbox, build your home into a kingdom, and dominate your enemies in single or multiplayer.Zero-K
With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.Monster Prom
You have 3 weeks to get a date for Monster Prom! Go through absurd and funny situations, raise your stats and seduce one of your classmates. Beautiful art, bold, unapologetic dialogue and hard choices make up this Multiplayer (1-4 players) Dating Sim. Be your worst self.EMERGENCY 4 Deluxe
Coordinate firefighters, police, medical personnel and specialists in the classic EMERGENCY 4 Deluxe! Now with the previously untranslated bonus missions in English.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.AirMech
AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious!Neverwinter Nights: Enhanced Edition
Return to the Forgotten Realms in this bestselling Dungeons & Dragons roleplaying game. Combines all the content of Neverwinter Nights Diamond Edition with all-new enhanced features. Includes 100+ hours of award-winning adventures and the tools to create your own!SUPREMACY: WORLD WAR 3
This Long Term Strategy Game lets you take control of the armed forces of your nation. Become responsible for its military expansion, technological research and economic development. Form alliances and wage total war for global dominance on the battlefields of World War 3.SYNTHETIK: Legion Rising
SYNTHETIK is an unforgiving tactical shooter rogue-lite where freedom and experimentation is key. Fight in a world overrun by the Machine Legion and their Gods. Experience the next level in gun-play and dive into unparalleled build options and Android upgrades. Can you defeat the Heart of Armageddon?Spellsworn
Enter a world of magic and battle, where your wits and reflexes will be pushed to their limits! Choose your spells, enter the ever-changing arena and prepare to obliterate all who stand in your way!Warhammer: Vermintide 2
The critically acclaimed Vermintide 2 is a visually stunning and groundbreaking melee action game pushing the boundaries of the first person co-op genre. Join the fight now!Dark Quest 2
Dark Quest 2 is a turn based RPG where you control a party of heroes on your epic quest to defeat the evil sorcerer and his minions.FINAL FANTASY XV WINDOWS EDITION
Take the journey, now in ultimate quality. Boasting a wealth of bonus content and supporting ultra high-resolution graphical options and HDR 10, you can now enjoy the beautiful and carefully-crafted experience of FINAL FANTASY XV like never before.Guns, Gore and Cannoli 2
Guns, Gore & Cannoli 2 revives the good, old, action platform run & gun genre, but this time with a bunch of humor and buckets of blown off body parts. In this sequel to Guns, Gore & Cannoli, Vinnie Cannoli’s story continues and this time it’s personal.Pit People®
In this fast-paced, turn-based, co-op adventure you'll quest and explore, find awesome loot, customize your fighters, and recruit strange species! Come master your destiny in this strategic game of positioning.Heroes of Hammerwatch
Heroes of Hammerwatch is a rogue-lite action-adventure. Explore and battle your way through procedurally generated levels on your own or with up to 3 friends.Mount Your Friends 3D: A Hard Man is Good to Climb
Join in the great simulated sportslike experience of friend mounting! Assemble a team and climb your way to the top! Mount Your Friends 3D brings mounting to the third dimension, with the same classic innuendo that made you slightly uncomfortable back in the day.Sword Art Online: Fatal Bullet
Experience an original story where you are the protagonist in the world of Gun Gale Online. Create your own avatar and explore devastated lands while experiencing exciting third person shooting in this action RPG.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.