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.
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Bleeding Edge
Grab your team and tear it up in Bleeding Edge, an electrifying online brawler where every fighter comes mechanically enhanced for mayhem!
State of Decay 2: Juggernaut Edition
The dead have risen and civilization has fallen. Now it's up to you to gather survivors, scavenge for resources and build a community in a post-apocalyptic world – a world where you define what it means to survive in this ultimate zombie survival simulation.
Borderlands 3
The original shooter-looter returns, packing bazillions of guns and a mayhem-fueled adventure! Blast through new worlds and enemies as one of four new Vault Hunters.
Out of Space
Strategy co-op online multiplayer game about living on a spaceship with your roommates. You'll need to generate resources, take care of a deadly alien infestation, upgrade your appliances and build your sustainable space home. Living together is never easy, especially when you are in outer space!
Folklore Hunter
You’re a world-renowned hunter of supernatural beasts. Take on contracts and track down urban legends from all over the world. Gather resources, set traps, prepare your equipment, use your hunter instincts, and defeat the beasts before they stop you.
The Watchers
The Watchers is a haunting co-op stealth game in which 2 players take control of a brother and sister trying to uncover the truth behind their mother’s disappearance. Explore the sinister compound of a local cult and work together to evade brutal enemies. But be careful. You’re being watched.
Time Warpers
Time Warpers is the evolution of the popular incremental game Time Clickers. With features like gun customization, optional permadeath & co-op with friends, it combines a first person shooter with the seemingly endless progression & upgrades of a clicker game.
AO Tennis 2
AO Tennis 2 is the only tennis experience designed for and by its community. Create your own players, stadiums and legendary matches. Enter the competition to reach the top of world tennis in Career Mode.
Angeldust
ADVENTURE. ANYWHERE! Explore endless magical worlds and battle fearsome creatures alongside millions of friends. Ride your own horse, bear or moa and discover the many game world wonders. Unleash your imagination by crafting beautiful buildings.
Feel The Snow
Choose one of the characters and start your journey. The game has many interesting things in store: building, crafting, puzzles, bosses, mystery, laughs, quests etc.
Ylands
Adventure awaits you and your friends in the world of Ylands! Gather resources, craft tools, construct anything and everything, and explore the lands! Build a ship and set sail, encountering mythical animals, a wide variety of sea-life, enemies of all kinds and much more!
Endless World Idle RPG
Explore the eternal landscapes of 3D Idle clicker RPG Endless World! Enjoy an epic adventure with a cast of 40+ characters. Build your army, craft unique weapons, balance your teams and set forth on an heroic saga that spans endless levels of monsters and mayhem!
Halo: The Master Chief Collection
The Master Chief’s iconic journey includes six games, built for PC and collected in a single integrated experience. Whether you’re a long-time fan or meeting Spartan 117 for the first time, The Master Chief Collection is the definitive Halo gaming experience.
They Can't Stop All Of Us
D.A.B. Your foes in co-op & PvP battles. (D)efend bases with weapons and skill. (A)ttack with clever AI armies. (B)uild amazingly creative defenses.
Secret Neighbor: Hello Neighbor Multiplayer
Hello Neighbor Multiplayer. Secret Neighbor is a Multiplayer Social Horror Game where a group of intruders try to rescue their friend from the Neighbor's creepy basement. Only problem is one of the intruders is the Neighbor in disguise.
AI War 2
The most devious and acclaimed artificial intelligence in strategy gaming is better than ever. A grand strategy/RTS hybrid that reverses many conventions of both genres. Take territory without attracting attention, build your empire with care, and adapt to an ever-evolving galactic battleground.
We Were Here Together
As we explore these frozen wastes, misfortune strikes once again. Through the fierce blizzard, a flare lights the sky, followed by a cry for help over the radio - broken, dying... No one else can come to their rescue. Can we make it back - together?
War Selection
War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map.
Trine 4: The Nightmare Prince
The best-selling Trine series returns to the magic of 2.5D! Join three iconic heroes as they set off on a quest through fantastical fairytale landscapes to save the world from the Nightmare Prince’s shadows.