Best Online Co-Op games on Steam
Unlike generic lists, our online co-op game recommendations are based on a rigorous analysis of Steam user reviews. We believe that player feedback is the most reliable indicator of a game's true quality and enjoyment. Our algorithm evaluates user reviews to identify online co-op games that consistently deliver exceptional experiences. This means you can be confident that our lists feature only the best online co-op games on Steam, validated by the community itself.
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Path of Exile 2
Path of Exile 2 is a next generation Action RPG from Grinding Gear Games, featuring co-op for up to six players. Set years after the original Path of Exile, you will return to the dark world of Wraeclast and seek to end the corruption that is spreading.
Railroads Online
Build your dream railroad across a huge open world! You can build tracks and stations, drive detailed locomotives, and transport goods to earn money and experience. Play exciting Online Multiplayer sessions with your friends or create your very own sandbox!
Marvel Rivals
Marvel Rivals is a Super Hero Team-Based PVP Shooter! Assemble an all-star Marvel squad, devise countless strategies by combining powers to form unique Team-Up skills and fight in destructible, ever-changing battlefields across the continually evolving Marvel universe!
Deadside
An Open World Survival Shooter blending hardcore PVP and PVE action. Secure precious loot in safe zones or build your own fortress in the wild. With intense gunfights, stunning visuals, and performance smooth enough for any system, the challenge awaits!
Delta Force
Delta Force is back! The iconic series returns as the definitive free-to-play modern team-based tactical shooter and featuring three distinct gameplay modes: large-scale PvP warfare, intense extraction shooter action, and a remake of the legendary Black Hawk Down campaign.
Relic Dudes
Defeat hordes of enemies, alone or with up to 4 friends! Work together or mess with them on this online multiplayer survivors style roguelike, where you create unique builds that can change the fate of your team.
Grocery Store Simulator
Run your own grocery store. Scan items, hire employees, place and stock shelves, set prices, order products, manage your warehouse, and customize your store. Play solo or team up with friends in a 4 player co-op mode to expand your business in this first-person game.
Strinova
Strinova is an anime-style third-person tactical competitive shooter. Switch freely between three-dimensional and two-dimensional forms in this one-of-a-kind game that offers a unique tactical shooting system for an unparalleled experience.
ICBM: Escalation
ICBM: Escalation is a grand RTS where you command armies, develop cutting-edge tech, and wield devastating weapons. Conquer enemies with conventional forces or nuclear firepower. With new modes like Standoff and Conquest, the game offers deep strategic layers in a global warfare setting.
SUPERVIVE
MOBA BR MEETS HERO SHOOTER. Jump, glide, shoot, punch, bounce, nuke, spike your enemies in this free-flowing, chaotic battleground in the sky. Face off in all-out, multi-squad teamfights, take down boss monsters for big loot, get that W and run it back.
Luma Island
Travel to Luma Island to go on an epic adventure by yourself or with your friends and family. Build your dream farm, master professions, collect magical Lumas, find treasures and unravel the mysteries of the island.
Finnish Cottage Simulator
Finnish Cottage Simulator is the ultimate cottage experience. Relax and enjoy the Finnish summer nature, go to the sauna, get drunk, grill food or play games with others!
Temtem: Swarm
Can you Survive the Swarm? Unlock mighty abilities and upgrades, find and collect Tems to evolve and become stronger, discover overpowered strategies, and battle massive bosses in this survivor-like bullet heaven! Play solo or online co-op with up to 3 players, building the wildest synergies.
Farming Simulator 25
Farming Simulator 25 invites you to join the rewarding farm life, single-handedly or cooperatively in multiplayer. This Farm is Your Farm!
In Sink: A Co-op Escape Adventure
Work together to solve puzzles and escape a desert island in this stylized multiplayer co-op adventure. Success requires more than just you and your partner thinking alike - you'll have to communicate and stay In Sink to overcome the challenges ahead.
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.
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!
Unrailed 2: Back on Track
The chaotic co-op railroad construction game is back! Team up with your friends to build a railroad through procedurally generated worlds with new biomes and bosses. Permanently upgrade your character and engine, even create your own levels - just don‘t let your train derail!
Atomic Picnic
Atomic Picnic is a Roguelike Shooter with Explosive Synergy! Dominate chaotic battles by cutting through swarms of monsters! Team up with friends or take them on solo! Unleash devastating combos by combining and evolving powerful upgrades to conquer The Zone.
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!
Dark Hours
Dark Hours is a co-op survival horror game for up to 4 players. Your heist has been disrupted by a supernatural event, and your team of robbers is now trapped with an evil entity. Forget your plan, your mission is to survive. Explore and cooperate to find a way out or hide and wish for daylight.
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.
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.
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!
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!
SWORD ART ONLINE Fractured Daydream
In this online co-op action game, enter a distorted version of the SWORD ART ONLINE world. Pick your role in the form of favorite SWORD ART ONLINE characters and team up with 20 players for raids to defeat powerful enemies.
Wizard of Legend 2
Face perilous magical trials in the fast-paced rogue-lite follow-up to the acclaimed original, featuring co-op and vibrant new 3D visuals. Master new Arcana and elements, experiment with spell combinations, and become the next Wizard of Legend!
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.
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?
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.
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!
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.