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...
Sengoku Dynasty
Sengoku Dynasty is the ultimate feudal Japan experience: build villages, grow your community, and shape the open world through combat or economy. The choice is yours alone - or that of up to 4 players in multiplayer co-op!
Techtonica
Techtonica is a first-person factory automation game with a gripping mystery about mining your way out from the depths of an alien planet. Explore bioluminescent caves, mold destructible terrain, construct a massive subterranean factory. Dig your way toward answers & discover the secrets of Calyx.
Planet Coaster 2
Build and customise thrilling roller coasters and incredible water slides, manage the ultimate theme park experience, and share your epic creations. Are you ready to ride the wave?
IfSunSets
「IfSunSets」 is a survival RPG adventure game. During the day, secure necessary supplies across the island, and survive the night against strong and terrifying monsters that track you down. You can utilize resources you've secured to build a base to fend off threatening monsters.
Super Mining Mechs
Build your own Super Mining Mech and explore the underground in search of new natural resources. Customize your mech with unlockable parts to dig deeper than ever - by yourself or with up to 7 friends in online co-op multiplayer! So, what are you waiting for? There’s mining to be done!
Carry The Glass
Team up as two quirky construction workers in this fun 2-player co-op platformer! Carry a fragile glass window through colorful levels filled with challenges. Communicate and coordinate to dodge obstacles and solve puzzles. Can you finish the job without breaking the glass?
Nuclear Nightmare
Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.
Eden Crafters
Embark on a journey of survival, crafting, and automation in Eden Crafters, a solo and co-op open-world game that challenges you to turn a hostile planet into a habitable haven for humanity. Temper the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!
MechWarrior 5: Clans
In MECHWARRIOR 5: CLANS, players become new Smoke Jaguar pilots in the Clan Invasion of the Inner Sphere. Lead a five-mech "Star" squad across diverse planets, engaging in an expansive campaign with immersive gameplay and intricate combat. Customize BattleMechs and explore strategic options.
WEBFISHING
WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)
Starship Troopers: Extermination
Starship Troopers: Extermination is a 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!
Old Market Simulator
Old Market Simulator is a 1-4 player co-op game where you manage your market by ordering goods, growing produce, raising animals, fishing, and crafting items in your workshop, while hiring employees and expanding your business.
Guardians of the Sanctree
You and allies, avian inhabitants of Sanctree City, build structures and production lines on the tree, crafting weapons to fend off subterranean insects. Defense is just the start—dig deeper, destroy nests, fortify new defenses against escalating threats for an impregnable stronghold.
SWORD ART ONLINE Fractured Daydream
Introducing the 2nd installment for the 10th anniversary of SWORD ART ONLINE! A total of 21 characters from the series join the battle beyond memory—a challenge taken on solo or with friends. Go beyond memory... and Switch!
Liar's Bar
Dive into this multiplayer online experience set in a sketchy bar where the games are as dangerous as the patrons. Join a table of 4 and test your skills in Liar's Dice and Liar's Deck, where lying and bluffing are key to victory. Ready for a night at Liar's Bar?
Throne and Liberty
Throne and Liberty captures the essence of classic MMORPGs while introducing new gameplay elements, depth and excitement at every turn. Gather your guild, prepare for battle, and set forth for throne... and liberty!
Axon TD: Uprising - Tower Defense
Axon TD lets you expand the map boundaries themselves. A huge arsenal of towers and a wide variety of enemies clash in a battlefield that grows to your whims. Engage in single, cooperative, and roguelite gameplay.
63 Days
Coming of age as a part of the first generation born free, WWII stripped me of my family, home, and future. Now I'm left with only one choice: to get my revenge and independence, or die trying. The odds are against us: will our tactics, stealth and teamwork be enough?
Ravenswatch
Fallen heroes of old folk tales and legends: you are on the verge of a crucial battle against the Nightmare invading and corrupting your world. A roguelike action game from the creators of Curse of the Dead Gods©, playable solo or in online co-op.
Echo Point Nova
Echo Point Nova is an open-world FPS that offers unparalleled freedom and thrilling speed. Designed for both singleplayer and coop. From the creators of Severed Steel.
ONE PIECE Bounty Rush
Take the loot, pirates! Bounty Rush is a 4 vs 4 multiplayer team action game. Work with your team to capture the other teams' berries!
Faaast Penguin
"Faaast Penguin" is a wild and thrilling knockout action racing game where up to 40 penguins collide in a chaotic race to the finish! It's free with cross-platform support! Unleash attacks! Hop on ULTIMATE RIDES! Use shortcuts! Pass your rivals and reach the finish line first!
Wild Indigo Ranch
Wild Indigo Ranch is a cozy cowboy-life RPG for 1-4 players. Start a new life on the prairie, explore the frontier, build the finest ranch in the West, and ride into the sunset.
Fera: The Sundered Tribes
Fera: The Sundered Tribes is an enthralling mixture of monster hunting survival action RPG with village building and tribe management with groundbreaking aerial traversal and combat mechanics.
The Spell Brigade
Survivors-like with ONLINE CO-OP for 1-4 players. Team up with your wizard friends to slay hordes of dark creatures. Complete team-based objectives, unlock new upgrades and create overpowered spell synergies. Friend nor foe is safe in this friendly fire bullet hell!
Funko Fusion
Experience a festival of fandom like never before in Funko Fusion! Play through iconic worlds and mashup characters inspired by some of your favorite franchises in an action-adventure game with uniquely authentic, irreverent humor from the creative minds of 10:10 Games.
Intoxicated Driver
Get ready to drink and drive (safely). Challenge friends in multiple drinking and driving game modes, like drunk cop chases, pedestrians, races, capture the flag, hot potato, and more! With options to change the style of play, there is so much drunk driving fun!
PICO PARK 2
PICO PARK is back with all new levels! Play with 2-8 players locally or online in this co-op action-puzzle game!
MARVEL vs. CAPCOM Fighting Collection: Arcade Classics
The legendary crossover hits are back! The action-packed lineup consisting of seven unique titles, is full of heavy hitters like X-MEN VS. STREET FIGHTER, and MARVEL vs. CAPCOM 2 New Age of Heroes. The collection also includes the rare beat 'em up game, THE PUNISHER.
Zero Hour
Zero Hour is a tactical FPS with online team-based game play that takes place in a variety of fictional locations interpreted in Bangladesh with Real-life scale & resource management. It brings a grounded, close quarter combat experience to the game.
Ale & Tale Tavern
Get ready for a thrilling mix of genres: a cooperative, first-person, open-world fantasy tavern simulator, action, fishing, hunting, exploration, and completing fun and diverse quests. And, of course, COOKING! Play with friends, feed and quench the thirst of the entire world!
Perennial Order
Perennial Order is a 2D plant horror boss rush with challenging one-hit-death combat. Set in an atmospheric Dark Age world plagued by nature-infested horrors, explore a lore-filled and eldritch land alone or in two player co-op, all in a realistic painterly style.
Age of Mythology: Retold
Play as mythological Gods and smite your enemies in this award-winning, mythological Real-Time Strategy classic given new life. Wage war across timeless campaigns, fierce skirmishes, and god-powered multiplayer modes.
Penguin Helper
Penguin Helper is your chance to go to the South Pole, become a hero for penguins and enjoy a peaceful atmosphere
Harry Potter: Quidditch Champions
Your next chapter takes flight! Immerse yourself in the enchanting world of Quidditch by playing solo or sharing the magic with friends and family.