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.
Filters & Lists
Eyes of War
Eyes of War is a real-time strategy game set in the medieval era, offering both single-player and multiplayer experiences where you can control every unit in character mode. Build your castle, lead your army, and dominate the map. Eyes of War invites you to epic battles of the medieval era!
The Headliners
Co-op horror game where you play in teams of 1 to 8 reckless journalists, ready to explore a city overrun by deadly creatures to snap spectacular footage. Your only goal: make the headlines without becoming one.
Coridden
Become the ultimate shapeshifter in this hack n’ slash ARPG with action-based combat. Transform seamlessly and customize both your human and beast powers as you level up, find new gear and DNA-strands. Venture out solo or in co-op to uncover the secrets sealed inside a legendary city.
Orcs Must Die! Deathtrap
Orcs Must Die! Deathtrap combines chaotic third-person combat with devious trap-laying strategy. Enjoy endless replayability as your War Mage grows stronger through roguelite progression. Repel relentless orc hordes solo or with up to 4 players.
Lonely Mountains: Snow Riders
Crash over and over until you master the mountain in the snowy followup to Lonely Mountains: Downhill. Now also including 2-8 person crossplatform multiplayer - work your way down the slopes together as a group, or risk it all in a breakneck race to the base!
SKIBIDI GYATROOMS
Skibidi Gyatrooms is a 1-4 player co-op horror game. You and the homies just fell into the Backrooms, you must out-GYAT the Skibidi Toilet with max rizz or get flushed. Expect cursed levels, and brainrot that’ll keep you on edge.
MISTERY
A multiplayer game of survival and social deduction. You work with others to collect materials, survive the dangers, and complete tasks. Beware of monsters, but more of the alternates disguising as your teammates. They can change into supernatural monsters and attack you at any time.
Last Train Outta' Wormtown
Last Train Outta' Wormtown is a chaotic Sandworm vs. Cowboys showdown. The Worm can only detect players touching the sand, like "hot lava" with a giant sandworm twist! Work together, Complete the objectives, and get outta' Wormtown! - Or, play as the Worm and gobble up your friends!
Endless Alice
Endless Alice is a third-person action-adventure game combining Roguelite elements, anime aesthetics, and endless possibilities. Choose characters with unique combat styles and embark on adventures! Play solo or with friends in cooperative challenges for up to 4 players!
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.
Warden's Will
Warden’s Will is a fast-paced movement-based roguelite shooter you can enjoy solo or up to 3 friends. Pick your Warden, try out different builds, and jump into chaotic arenas filled with unpredictable robots. The game challenges you to move smart and react quickly and try new builds with every run.
Tank Arena:Total Operation
Tank Arena:Total Operation is a free MMO war game where you play as a commander, drive thousands of types of tanks, armored vehicles or helicopters on a massive battlefield engaging in 12v12 team-based battles against players globally. Enjoy the fun!
Pantheon: Rise of the Fallen
Pantheon: Rise of the Fallen is a deeply social high fantasy MMORPG that challenges its players and rewards effort. Join the denizens of Terminus to uncover the mysteries of a world divided by Celestial loyalty… and betrayal.
SimRail - The Railway Simulator
SimRail is new, advanced railway simulator. Master high-speed long-distance EMU, heavy freight hauls and suburban trains. Travel 500 km of geodetic-data based real routes. Become train dispatcher and control the traffic according to the schedule or cooperate with other players on multiplayer mode.
Murky Divers
Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.
Fast Food Simulator
Welcome to the world's most chaotic place! Play solo or co-op with up to 6 players. Run a fast-food restaurant, and work with your friends to expand your business. Take orders, make burgers, and increase your earnings by dealing with customers.
Wild Woods
Wild Woods is a couch co-op game full of action, teamwork and woodland critters. One to four players take on the role of brave little cats defending their wooden wagon on its way through a dangerous forest. Clever cooperation is key - their way is full of obstacles!
Zort
Zort is an action, adventure, and horror game that can be played with up to 4 people. Explore maps with your friends and have fun while escaping from various creatures. Experience a realistic horror experience with in-game voice chat with your friends!
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!