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, check out lists of the most played, top deals and best free to play Online Co-Op games on Steam.
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AirportSim
AirportSim is an Advanced Airport Ground Handling Simulator with true-to-life visuals and operations, licensed planes and vehicles, real airports and live weather conditions. Enjoy the many tasks alone or with friends, making this experience unforgettable.
Diablo® IV
Join the fight for Sanctuary in Diablo® IV, the ultimate action RPG adventure. Experience the critically acclaimed campaign and new seasonal content.
Lords of the Fallen
A vast world awaits in the medieval, dark fantasy action-RPG, Lords of the Fallen. As a fabled Dark Crusader, embark on an epic quest to overthrow Adyr, the demon God. The definitive Version 2.0 out now: features Shared Progression Co-op & Free Friend’s Pass.
Bang-On Balls: Chronicles
A quirky, absolutely content-packed, destructible open-world sandbox adventure with combat, platforming, character customization, and collect-a-thon scavenger hunt experience. Play solo, 2-player split screen, or online co-op for up to 4 players. No paid cosmetic DLC nonsense.
Cricket 24
Cricket 24 is the culmination of a decade of Cricket video game development and includes teams from every corner of the globe.
Saleblazers
Fight. Sell. Survive. Live off the land, build your perfect shop, and defend against nightly horrors in this open world survival shop simulator for 1-8 players.
MY HERO ULTRA RUMBLE
Pick your favorite character, team up and fight to be the last ones standing in the new 24-player Battle Royale free to play game "MY HERO ULTRA RUMBLE"!
Wildmender
A desert gardening survival game. Start from a tiny spring and cultivate a blooming garden. Explore a vast world amid the sands and uncover its mysteries. Can you defend against the relentless forces of nature and mysterious wraith corruption, to bring life to a dying world?
Project Planet - Earth vs Humanity
Destroy Humanity with virus outbreaks, asteroid impacts and more as Planet Earth! Or team up with up to five friends as the World Leaders, Industry, Media, Scientists and Public, and try to survive. Impossible dilemmas and choices-matter create countless paths in this strategy party game!
Demonologist
Demonologist is a Co-Op horror game that can be played with at least 1 and up to 4 players. Your goal is to identify the type of evil spirit in cursed places and exorcise it using your equipment, either alone or with your team.
Hellsweeper VR
DARE TO DESCEND INTO HELL? Hellsweeper VR is an intense first-person action-combat VR experience. Traverse the underworld where every step brings a challenge or a chance. Gain mastery of your weapons and elemental magic, or fall to the unrelenting onslaught of hell's twisted souls.
Expedition Agartha
Expedition Agartha is a high-stakes first person slasher. Loot ancient treasures, conquer mythological enemies, and extract to safety - alone or up to groups of three. Gear up and launch your expedition in the first and only medieval extraction looter available on Steam!
Party Animals
Fight your friends as puppies, kittens and other fuzzy creatures in PARTY ANIMALS! Paw it out with your friends remotely, or huddle together for chaotic fun on the same screen. Interact with the world under our realistic physics engine. Did I mention PUPPIES?
HumanitZ
HumanitZ is a co-op, isometric, open world survival game in a world ended by the zombie outbreak. As one of the few human survivors, try to last as long as “humanly” possible. The past can’t be changed, but you can make a difference today for the future of humanity.
Boti: Byteland Overclocked
Jump, Dash, Slide! Dive into a classic 3D platformer experience with Boti: Byteland Overclocked. Explore the stylized insides of a computer as a determined data robot and save Byteland from an ominous threat. Play solo or team up with a friend in seamless co-op.
The Backrooms: Survival
Survival horror with roguelike elements. Explore randomized levels with different items and entities while trying to maintain your thirst, hunger, and sanity, ensuring a new experience every time. Play alone or with up to TEN friends online! Cross-platform multiplayer with Nintendo Switch.
We Were Here Expeditions: The FriendShip
Partner up with your friend online and test your friendship by solving puzzles together in an abandoned amusement park. Work together to overcome brain-teasing challenges in this standalone We Were Here experience.
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!
MythForce
MAJOR UPDATE 1.2: SKILL TREES! The wait is over—no better time to jump in than now! Pick your class & tailor your skill tree to match your ideal playstyle. Shake up the experience with Encounter System & Elemental Combos. Stronger, sleeker, and bursting with new thrills—MythForce is ready!
Untitled Ghost Game
Free multiplayer 2D ghost hunting game that you can play with friends created by a small game dev team.
Trine 5: A Clockwork Conspiracy
The Trine series is back with its biggest adventure! In their fifth outing, the Heroes of Trine are pitted against dastardly and duplicitous villains, who will stop at nothing to seize control of the kingdom. The clock is ticking to save the world of Trine!
Borderlands Game of the Year
Get ready for the mind blowing insanity! Play as one of four trigger-happy mercenaries and take out everything that stands in your way! With its addictive action, frantic first-person shooter combat, massive arsenal of weaponry, RPG elements and four-player co-op, Borderlands is a breakthrough experience that challenges all the...