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
Loading...
Tennis Elbow 4
Created by and for tennis fans, Tennis Elbow 4 is a true tennis simulation built around anticipation, positioning and risk management. Easy to start, demanding to master, it delivers exceptional gameplay depth and long-term progression.
LORT
LORT is a 1–8 player co-op action roguelite. Team up with your friends to battle, loot, and stack ridiculous power-ups across a cursed fantasy world. Fight toward escape, revive your homies, and get absolutely chadded as you evolve from goblin tickler to god slapper.
Duel Corp.
A Souls-inspired action RPG set in a sandbox open world with an MMO feel and challenging directional combat. Play solo or with up to 3 friends in co-op. Build friendships, master an unrestricted class system, and uncover the cause that darkened all eyes.
On-Together: Virtual Co-Working
Virtual co-working with friends or strangers all over the world! Digital pals hang out at the bottom of the screen while you work, study, and get stuff done. Includes productivity tools, hangout spots, breaktime games, and more!
Feather Party
Welcome to the fantastic party on the adorable planet of chicks! Feather Party is a multiplayer party game for up to 8 players. Engage in a diverse array of fun mini-games with friends or against rivals to be the winner of this party! Enjoy the exciting Board Game Mode.🐣
Legend Battles
Free-to-play UE 5.6 Extraction Battle Royale in 400 km² neo-futuristic world with destructible environment and vehicles, massive ET-ACUs, armored Aliens, ferocious Monsters, heavily armed MetaHumans, complete missions to attack, defend, loot, extract facing dynamic weathers.
Fairground Online
Fairground Online – The Ultimate Simulator! Operate rides, create light shows, and set the mood with music. Experience realistic physics, detailed controls, and a day-night cycle. Play online with friends worldwide and join the community!
StarRupture
StarRupture is a first-person open world base-building game with advanced combat and tons of exploration. Play alone or in a group on this sublime and ever-changing planet, extract and manage resources, create your complex industrial system and fight off hordes of alien monsters.
DuneCrawl
DuneCrawl is an open world action-adventure game, where you take to the sandy seas atop a gigantic crustacean festooned with black powder cannons. Play as a solo Crab Keeper, or with a crew of up to three other friends in local and online coop.
No One Survived
This is a multiplayer cooperative open world construction survival sandbox game, where you and your friends must find supplies and build shelters in this world. You have to keep an eye on your character's needs state at all times, a bad state is likely to lead to death.
Alchemy Factory
Craft your workshop as an alchemist! Harness arcane devices to automate crafting. Sell alchemical goods, fulfill commissions, and rise to become a renowned alchemy magnate. Multiplayer Supported! Invite master designers to (ahem) contribute their expertise—let them optimize your production lines!
Pioneers of Pagonia
Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.
Dungeon Rampage
Battle your way to victory in this 1-4 player co-op hack-n-slash dungeon crawler. Play as a dynamic cast of heroes slicing their way through dungeons, earning weapons and loot. Rampage past a gauntlet of enemies and destruction to end the evil Lord Dinglepus' reign!
Survive the Nights
Hardcore open-world survival where preparation is everything. Scavenge, craft, fortify during the day. When night falls, the infected hunt in numbers. Play solo or with friends in a brutal post-apocalyptic sandbox where survival is earned through smart decisions. How many Nights will you survive?
Nine-Ball Roulette
This will be the most thrilling pool game you have ever played. Join up to 3 of your friends in this exciting pool roulette game! Eliminate each other with pool until only one person is left.
MARVEL Cosmic Invasion
A cosmic battle awaits! Choose between 15 Marvel Super Heroes in this frenetic action beat ‘em up to fight against the deadly Annihilation Wave threatening the galaxy. From New York City to the depths of the Negative Zone, the future of the Marvel Universe will be fought for across the stars!
KILL IT WITH FIRE! 2
KILL IT WITH FIRE! 2 is the ultimate co-op spider-hunting experience! Either solo or as a team of Exterminators, unleash an arsenal of crazy weapons, wreak havoc, and complete dozens of challenges across seven dimensions under spider siege.
Solo Leveling: ARISE OVERDRIVE
Solo Leveling, the webtoon with 14.3 billion views worldwide, is now an action RPG game! Help our hero grow from his humble E-Rank beginnings.
Feign
Welcome to Feign, an intriguing role-based game that blends mystery, strategy, and deception. Step into a quirky, small town where Innocents, Impostors, and Neutrals navigate suspenseful gameplay. Your mission unfolds under the cover of night - then it's up to the village by day to vote someone out!
Cursed Companions
If we say the wrong words... WE DIE! This game kills you with your own voices! Online co-op where everyone gets a forbidden word, say it and you kill your friends. Explore spooky dungeons, cast spells and defeat monsters with your voices.
Demeo x Dungeons & Dragons: Battlemarked
A cooperative tactical RPG set in the D&D universe. Embark on a fantasy tabletop adventure. Your quest, on your schedule.
CURE - A Hospital Simulator
Manage the night shift of an ER during the apocalypse, solo or with friends online: Diagnose patients. Design and grow your hospital, and defend against the undead while treating the living. If you're a creator, connect the game to Twitch and make the audience your patients for even more fun!
Ultimate Zombie Defense 2
4-player co-op, zombie slaying, base building, boss battling mayhem! Cleanse the infected wave by wave and upgrade your base with traps & defenses in Ultimate Zombie Defense 2!
Storebound
A 1-3 co-op puzzle horror game. Lost in an accursed megastore, work together to find the exit before its lurking horrors trap you forever.
Boat Together
Hop on kayaks and boats for a fun adventure with up to 8 friends! Work together to paddle through cool waters, overcome obstacles and bosses, and reach new islands. If the legend is true, a hidden treasure awaits on the final island. Can you make it without sinking?
Where Winds Meet
Step into an open-world action-adventure RPG set in ancient China. Uncover the secrets of your own identity as you rise from a humble village wanderer to the sword master of the imperial capital. Learn martial arts and build your reputation as a hero or a bringer of chaos in this free wuxia world.
Anno 117: Pax Romana
Shape the Roman Empire in this genre-defining strategic builder game. Build cities while expanding your influence through Roman provinces. Govern using your economic prowess, diplomatic skills, or military might.
Restaurats
Lead a medieval restaurant with a team of rats like you! Cook the food, throw it at the guests, wipe the drinks under the skeletons! Become a legendary rat chef, proving to orcs and vampires that the most delicious bloody meat is served in your restaurant!
Voidtrain
Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.
Vivid World
A follow-up to the hit game Vivid Knight, Vivid World is a completely new party-building, roguelike strategy game! Our story takes place in the Underworld, a land ruled by demons. Utilize and master our protagonist, Lemuria's new Jewel Magic to conquer strange dungeons.
NoSlack Pets: Lo-Fi Paws
A warm and cozy desktop cat companion game. Let Miino keep you company while you work or study, focus with Pomodoro, Lo-Fi, to-do lists, and white noise; collect Headgear and decorations, decorate your room, join the Online Study Room, go fishing, and build your own relaxing desktop space.
SEVERANCE
Severance is a 1-5 player paranormal investigation game… with a twist. Use tools and equipment to identify the correct ghost type while a dangerous, violent entity hunts you down. The twist? YOU can become the ghost. Choose Ghost AI, or an asymmetrical mode where a player takes the Ghost role.
Crystal of Atlan
Crystal of Atlan is a Magicpunk MMO Action RPG where you can immerse yourself in a Magicpunk world. Build your skills, fight and uncover the secrets of this world with your allies! Time to embark on a wondrous journey of Magic and Machinery!