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
Waven
Forge your own destiny! Choose your character, equip your best spells and sail from island to island in quest of fortune and glory. Level up your hero and your strategy in this free-to-play tactical multiplayer RPG with unique colorful graphics.
Ship Graveyard Simulator 2
Dust off your torch and hammer - it's time to get back to work, you have a new job to do. Visit the new beach coast with the largest, biggest ship graveyard in the world, dismantle huge ship parts and collect tons of precious steel. Roll up your sleeves, it's time to get back to the business.
EMERGENCY
Save lives – be a hero! Join forces against the chaos in the newest title of the award-winning EMERGENCY series. Take up your shift as incident commander and coordinate with other players to fight fires, arrest gangsters and rescue injured civilians. Your city needs you!
Desynced
Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.
Hammerwatch II
Gather your heroes and journey beyond the dungeons of Castle Hammerwatch to explore a pixelated world like never before. Aid King Roland’s resistance while helping villagers along the way. Battle beasts, finish off hordes of the undead, and face the forces of evil.
Moving Out 2
Moving Out is back and wackier than ever, and now with ONLINE PLAY! Return to Packmore and use your moving skills across brand new dimensions and some old favourites. Help rebuild Smooth Moves and become an all-star F.A.R.T. (Furniture Arrangement & Relocation Technician)!
Atlas Fallen: Reign Of Sand
In solo or co-op, experience Reign of Sand, the ultimate version of Atlas Fallen. Ride the sands of a timeless land and defeat legendary monsters in spectacular Action-RPG combat using devastating powers.
Escape Memoirs: Questionable Side Stories
'Escape Memoirs: Questionable Side Stories' is a humorous co-operative escape room game where you are a henchman who has to make his way through variety of puzzles to make it to a job interview on time. Can you solve all of the puzzles that stand in the way of your employment?
Baldur's Gate 3
Baldur’s Gate 3 is a story-rich, party-based RPG set in the universe of Dungeons & Dragons, where your choices shape a tale of fellowship and betrayal, survival and sacrifice, and the lure of absolute power.
Zero Caliber VR
Zero Caliber is the ultimate VR FPS: single player/Co-op campaign, PvP and mod support with 40+ realistic firearms & melee weapons, 100+ unlockable skins, 50+ attachments, realistic physics, progression & more! Immerse yourself in the action, customize your gear and unleash your inner hero!
No Fair Play
No Fair Play is a physics-based multiplayer game that combines parkour, combat, and football mechanics to offer great freedom to players.
REMNANT II®
REMNANT II® pits survivors of humanity against new deadly creatures and god-like bosses across terrifying worlds. Play solo or co-op with two other friends to explore the depths of the unknown to stop an evil from destroying reality itself.
召唤之王 (Supreme Summoner)
‘Supreme Summoner’ is a turn-based strategy chess game. Taking the imaginative Romance of the Three Kingdoms as its theme, it innovatively blends elements of gods, demons, and mystical creatures, making each faction and character's attributes even more prominent.
Might & Magic: Clash of Heroes - Definitive Edition
Plan your next move wisely, every additional combo can make the difference! Whether in solo or duo, online or offline, mix and match your units to defeat your enemies in this Definitive Edition of Might & Magic: Clash of Heroes!
Ember Knights
Ember Knights is an action rogue-lite for 1-4 players where you play as legendary knights, the last spark of hope against the mad sorcerer Praxis and his hordes of unwavering fiends. Wield weapons & skills, build synergies with game-changing relics and free the universe of Praxis’ corruption.
Arcadegeddon
Rise up and play with up to three friends in this ever-evolving cooperative multiplayer, roguelite shooter. Explore multiple biomes, mini games, find hidden chests, and defeat numerous enemies and bosses.
Jagged Alliance 3
The country of Grand Chien is thrown into chaos when the elected president goes missing and the paramilitary force known as “the Legion” seizes control. Hire mercs, meet interesting characters, and fight in tactically deep turn-based combat in this true successor to a beloved franchise.
Cave Crawlers
Cave Crawlers is a 1-10 player rogue lite set deep underground in a system of randomly generated caves. Players use weapons, spells, and talents to defeat the unique bosses and enemies found in each biome.
NARUTO TO BORUTO: SHINOBI STRIKER
Battle as a team of 4 to compete against other teams online! Graphically, SHINOBI STRIKER is also built from the ground up in a completely new graphic style. Lead your team and fight online to see who the best ninjas are!
Six Days in Fallujah
NEW! Play solo with an AI fireteam or co-op online. Six Days in Fallujah is an intensely realistic first-person tactical shooter based on true stories from one of this century’s toughest urban battles.
Tinkertown
Gather your friends and come to Tinkertown - A refreshing new Multiplayer Sandbox Experience! Explore magical places filled with loot, danger, and creativity.
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 June 16th 2025.
1. ELDEN RING NIGHTREIGN
ELDEN RING NIGHTREIGN is a standalone adventure within the ELDEN RING universe, crafted to offer players a new gaming experience by reimagining the game’s core design. ELDEN RING NIGHTREIGN is a souls-like, online co-op and rogue-like game developed by FromSoftware and Inc. and published by FromSoftware, Inc. and Bandai Namco Entertainment. Released on May 29th 2025 has received 65,672 reviews of which 48,901 were positive and 16,771 were negative resulting in a rating of 7.4 out of 10. The game has hit the top spot as the #1 most played online co-op game, thanks to its 104,169 peak concurrent players over the last day.
7.4
48,901
16,771
104,169
players
2. 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 1,017,635 reviews of which 775,883 were positive and 241,752 were negative resulting in a rating of 7.6 out of 10. While seeing 49,558 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
775,883
241,752
49,558
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 797,216 reviews of which 630,223 were positive and 166,993 were negative resulting in a rating of 7.9 out of 10. While seeing 46,445 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
630,223
166,993
46,445
players
4. 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 430,252 reviews of which 330,349 were positive and 99,903 were negative resulting in a rating of 7.6 out of 10. With 40,568 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played online co-op games.
7.6
330,349
99,903
40,568
players
5. 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 multiplayer game developed and published by semiwork. Released on February 26th 2025 has received 185,642 reviews of which 179,154 were positive and 6,488 were negative resulting in an impressive rating of 9.5 out of 10. With 34,509 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played online co-op games.
9.5
179,154
6,488
34,509
players
6. 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 499,828 reviews of which 471,451 were positive and 28,377 were negative resulting in an impressive rating of 9.4 out of 10. With 16,586 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played online co-op games.
9.4
471,451
28,377
16,586
players
7. 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 768,779 reviews of which 736,611 were positive and 32,168 were negative resulting in an impressive rating of 9.5 out of 10. With 11,907 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played online co-op games.
9.5
736,611
32,168
11,907
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 78,080 reviews of which 67,486 were positive and 10,594 were negative resulting in a rating of 8.5 out of 10. With 10,166 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played online co-op games.
8.5
67,486
10,594
10,166
players
9. 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 353,960 reviews of which 344,269 were positive and 9,691 were negative resulting in an impressive rating of 9.6 out of 10. With 9,200 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played online co-op games.
9.6
344,269
9,691
9,200
players
10. Dying Light
First-person action survival game set in a post-apocalyptic open world overrun by flesh-hungry zombies. Roam a city devastated by a mysterious virus epidemic. Scavenge for supplies, craft weapons, and face hordes of the infected. Dying Light is a zombies, survival horror and horror game developed and published by Techland. Released on January 27th 2025 has received 457,632 reviews of which 435,687 were positive and 21,945 were negative resulting in an impressive rating of 9.4 out of 10. With 8,759 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played online co-op games.
9.4
435,687
21,945
8,759
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 June 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted online co-op games.
1. 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 21,090 reviews of which 16,874 were positive and 4,216 were negative resulting in a rating of 7.9 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for online co-op category.
7.9
16,874
4,216
-99%
28.99€
0.48€
2. 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 627 reviews of which 447 were positive and 180 were negative resulting in a rating of 6.8 out of 10. Thanks to its incredible 99% discount, this game is now the #2 best deal in online co-op games.
6.8
447
180
-99%
19.50€
0.38€
3. 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 13,379 reviews of which 11,924 were positive and 1,455 were negative resulting in a rating of 8.7 out of 10. Thanks to its incredible 98% discount, this game is now the #3 best deal in online co-op games.
8.7
11,924
1,455
-98%
29.99€
0.62€
4. 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 126,866 reviews of which 111,325 were positive and 15,541 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #4 position in the best deals for online co-op games.
8.7
111,325
15,541
-98%
27.99€
0.82€
5. 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 strategy game developed by IronOak Games and published by Curve Games. Released on April 19th 2018 has received 41,487 reviews of which 36,581 were positive and 4,906 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 98% discount, this title has earned the #5 position in the best deals for online co-op games.
8.7
36,581
4,906
-98%
19.99€
0.50€
6. Main Assembly
You’re the designer, engineer and architect if you can imagine it you can create it! Construct robots of any shape or size from eight-legged spider bots to eerie UFO contraptions. Main Assembly is a 3d, online co-op and co-op game developed by Bad Yolk Games and published by Team17. Released on January 26th 2021 has received 1,314 reviews of which 1,115 were positive and 199 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 98% discount, this title has earned the #6 position in the best deals for online co-op games.
8.1
1,115
199
-98%
19.99€
0.43€
7. Retimed
Dash and dodge bullet clusters in nerve-wracking slow motion moments and challenge your friends online or offline to awesome and fast paced battles with up to 4 players! Retimed is a multiplayer, online co-op and comedy game developed by Team Maniax and published by Stray Fawn Publishing and WhisperGames. Released on December 05th 2019 has received 352 reviews of which 294 were positive and 58 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 98% discount, this title has earned the #7 position in the best deals for online co-op games.
7.8
294
58
-98%
14.90€
0.44€
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 4,053 reviews of which 3,192 were positive and 861 were negative resulting in a rating of 7.6 out of 10. Currently offered at a significant 98% discount, this title has earned the #8 position in the best deals for online co-op games.
7.6
3,192
861
-98%
14.99€
0.41€
9. 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 1,884 reviews of which 1,277 were positive and 607 were negative resulting in a rating of 6.6 out of 10. Currently offered at a significant 98% discount, this title has earned the #9 position in the best deals for online co-op games.
6.6
1,277
607
-98%
14.99€
0.31€
10. Sugar Shack
Grab some friends, fire up the boiler, and let the syrup flow! Build the world around your cabin as you fulfill orders of hungry villagers with endless sweet tooths. There's never a dull moment in this cozy forest inspired by Quebec lore and art! Sugar Shack is a online co-op, co-op and indie game developed by MadLife Divertissement and published by indie.io. Released on September 14th 2023 has received 306 reviews of which 208 were positive and 98 were negative resulting in a rating of 6.5 out of 10. Currently offered at a significant 98% discount, this title has earned the #10 position in the best deals for online co-op games.
6.5
208
98
-98%
18.49€
0.46€
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 June 16th 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 67,435 reviews of which 63,994 were positive and 3,441 were negative resulting in an impressive rating of 9.3 out of 10. With 5,674 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
63,994
3,441
5,674
players
2. Game of Thrones: Kingsroad
A story-driven action-adventure RPG, bringing the world of Westeros to life with remarkable detail and never-before seen scale. Game of Thrones: Kingsroad is a online co-op, multiplayer and choose your own adventure game developed by Netmarble Neo and published by Netmarble. Released on May 21st 2025 has received 3,607 reviews of which 2,230 were positive and 1,377 were negative resulting in a rating of 6.1 out of 10. Thanks to its free to play tag and a daily player base of 3,582, this online co-op game has secured the #2 spot in the ranking of free online co-op games on Steam.
6.1
2,230
1,377
3,582
players
3. 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 128,011 reviews of which 108,841 were positive and 19,170 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 3,196, this online co-op game has secured the #3 spot in the ranking of free online co-op games on Steam.
8.4
108,841
19,170
3,196
players
4. 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 72,691 reviews of which 63,019 were positive and 9,672 were negative resulting in a rating of 8.5 out of 10. Attracting a solid base of 2,051 players due to its free access, this strategy game has achieved the #4 position in the best free online co-op games on Steam.
8.5
63,019
9,672
2,051
players
5. 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 71,223 reviews of which 63,756 were positive and 7,467 were negative resulting in a rating of 8.8 out of 10. Attracting a solid base of 1,477 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
63,756
7,467
1,477
players
6. 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 37,450 reviews of which 33,440 were positive and 4,010 were negative resulting in a rating of 8.8 out of 10. Attracting a solid base of 1,176 players due to its free access, this strategy game has achieved the #6 position in the best free online co-op games on Steam.
8.8
33,440
4,010
1,176
players
7. 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 21,823 reviews of which 16,882 were positive and 4,941 were negative resulting in a rating of 7.6 out of 10. Attracting a solid base of 396 players due to its free access, this strategy game has achieved the #7 position in the best free online co-op games on Steam.
7.6
16,882
4,941
396
players
8. 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 1,856 reviews of which 1,484 were positive and 372 were negative resulting in a rating of 7.7 out of 10. Attracting a solid base of 377 players due to its free access, this strategy game has achieved the #8 position in the best free online co-op games on Steam.
7.7
1,484
372
377
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 3,864 reviews of which 2,442 were positive and 1,422 were negative resulting in a rating of 6.2 out of 10. Attracting a solid base of 323 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
2,442
1,422
323
players
10. 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 31,316 reviews of which 29,316 were positive and 2,000 were negative resulting in an impressive rating of 9.2 out of 10. Attracting a solid base of 277 players due to its free access, this strategy game has achieved the #10 position in the best free online co-op games on Steam.
9.2
29,316
2,000
277
players