Best Online Co-Op Games on Steam
Unlike generic lists, our game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated online co-op games.
Filters & Lists
Salt and Sacrifice
Join your fellow Marked Inquisitors in this online coop successor to award-winning 2016 Soulslike Salt and Sanctuary.
Ranch Simulator: Build, Hunt, Farm
Builder. Farmer. Hunter. Trader. Ranching certainly isn’t your average job. Think you have the skills to turn your family’s rundown homestead into the most prosperous ranch in the valley? Then it’s time to head out into the wilderness in this captivating single and multiplayer open-world simulator.
For The King II
Battle against Fahrul's tyrannical Queen alone or as a party of four players in the sequel to For The King, the massively popular turn-based roguelite tabletop RPG. Will you unravel the once beloved Queen's terrible secret?
Achilles: Legends Untold
Rewrite fate with every strike. Face gods, mythic heroes, and legendary beasts in this souls-like Action RPG set in ancient Greece. Master brutal combat, unlock divine skills, and shape Achilles into the warrior only you can become.
Crossfire: Sierra Squad
Fierce military arcade shooter in VR for single-player and co-op multiplayer. Drop into a variety of indoor and outdoor battle scenes with 63 missions, 39 different weapons, and 17 types of enemies as you lead an elite fireteam into immersive 360° combat.
Alien Hominid Invasion
Old friends and bitter enemies await as you invade Earth alongside a Mothership full of alien friends! Blast, beam, and bite your way through an endless swarm of enemies as you and up to three of your fellow hominids cause mayhem with a huge arsenal of weapons, mutations, and acrobatic maneuvers.
Mining Mechs
Unleash your inner miner as you commandeer a high-tech Mining Mech! Mine for valuable resources and upgrade your mech for even bigger hauls as you explore the underground. Fun to play alone or with up to 7 friends in online co-op multiplayer!
The Devourer: Hunted Souls
Play as a paranormal investigator in our hybrid between first person survival and psychological horror story game. Investigate a haunted forest with up to 5 players CO-OP, try to lift the curse, experience a tragic story and take decisions together. Will you survive or will you lose your soul?
Lethal Company
A co-op horror about scavenging at abandoned moons to sell scrap to the Company.
Lively Chair Simulator
Lively Chair Simulator is an indie multiplayer game with strange controls. Let’s see if you are suitable to be a chair.
Ghostbusters: Spirits Unleashed Ecto Edition
This is an asymmetrical game of hide and seek. In true form to IllFonic’s past titles, this title is a 4v1 setup where players will either play as part of a team of new Ghostbusters or a singular Ghost.
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.
Galactic Civilizations IV
Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
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 final major update Version 2.5 is out now: features deadlier boss battles and all-new Veteran Mode.
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.
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!
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.
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?
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 set sail for an unforgettable puzzle adventure in this bite-sized standalone We Were Here experience. Work together to overcome brain-teasing challenges and make fun memories, using your best communication, teamwork and trust skills.
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!
ONE PIECE: PIRATE WARRIORS 4
ONE PIECE: PIRATE WARRIORS 4 is the latest evolution of PIRATE WARRIORS action! Based on the concept of "experiencing a real ONE PIECE battlefield," buildings will come crashing down during the action and attacks will throw up smoke and dust, placing you in the thick of the ONE PIECE world!
Untitled Ghost Game
Free multiplayer 2D ghost hunting game that you can play with friends created by a small game dev team.
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!
SYNCED
SYNCED is a futuristic free-to-play co-op shooter developed by NExT Studios and published by Level Infinite. You will deploy with your squad or fight alone with your tamed Nano. Venture into the collapsed world for intense PvE and PvP combat.