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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Animalia Survival
Live as your favourite african animal, choose between being a carnivore, herbivore or omnivore, predator or prey. In this multiplayer ecosystem, with a realistic open world, choose to become a lion, a elephant or even a swift gazelle! But remember, the savannahs law is to survive at any cost!
Escape From School
Confused, you wake up sucked into an empty classroom. You have to try to escape from school by solving puzzles and discovering secrets.
Bus Simulator 21 Next Stop
Bus Simulator 21 Next Stop offers the most comprehensive bus fleet in the history of the series with 30 officially licensed buses. Drive on two vastly different maps, alone or with friend. Play with extended management elements or just enjoy your time on the road.
KeyWe
KeyWe is a cute, co-operative postal puzzler starring Jeff and Debra, two small kiwi birds working in a whimsical post office. They must jump, flap, peck and butt-slam their way across an interactive landscape of levers, bells and buttons to get those messages delivered on time!
LAST CLOUDIA
A fantasy RPG that weaves a sprawling tale with quirky characters and cinematic effects. Its gorgeous, fast-paced battles feature pixel art characters sweeping though 3D playspaces.
Obsideo
Obsideo is a 1-4 player online co-op psychological horror, where you and your team of priests explore different locations experiencing paranormal events in an attempt to figure out what ghost they're dealing with and exorcise it from the property.
Super Animal Royale
It’s a fight for furvival! Super Animal Royale is a 64-player, frenetic, top-down 2D battle royale where murderous animals fight tooth, claw, and machine gun across an abandoned safari park.
Aliens: Fireteam Elite
Aliens: Fireteam Elite is a cooperative third-person survival game set in the iconic Alien Universe. Battle through hordes of different types of Xenomorph, customize your character and gear, and level-up as you try to contain this ever-growing threat.
Somewhere in the Shadow
Woke up in strange dark spot. Who has done it with you? And why? Try to get out from that scary place and stay alive...
Tetris® Effect: Connected
Tetris® Effect: Connected adds an all-new robust multiplayer expansion to the huge variety of addictive and innovative single-player modes that Tetris Effect is known for, with all-new co-op and competitive online and local multiplayer modes!
PropHunter
PropHunter - a fresh representative of the genre of hide and seek on the net! The players are divided into two teams - one team is hiding by taking the form and properties of objects, the second team is seek to find for impostors among props. The team that eliminates its rivals wins!
Simple Fish Adventure
Simple Fish Adventure is an unusual short physics-based platformer. Jump like a fish, think like a fish, be a fish! Overcome obstacles and suffer. Also includes co-op for up to 4 players.
Stellar Warfare
Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!
Tribes of Midgard
A vibrant blend of survival and action RPG for 1-10 players! Craft legendary items, grow your home base and embark on an epic journey through procedural realms to face towering creatures hel-bent on unleashing Ragnarök. Valhalla can wait, Einherjar!
GrandChase
Grand Chase is a free side-scrolling online action RPG with anime inspired graphics. Enjoy exciting adventures in dungeons and PvP with unique characters.
Clone Drone in the Danger Zone
Clone Drone in the Danger Zone is a robot voxel slice-em-up where any part of your body can be sliced off. With your mind downloaded into a robot gladiator, you must survive the sinister trials of the arena.
Blightbound
Blightbound is a multiplayer dungeon crawler that tasks three heroes to venture down from their mountain refuge to face the abominations of the Blight - a mysterious and corrupting fog that enshrouds the land.
Orcs Must Die! 3
Slice, burn, toss, zap, grind and gib massive hordes of repugnant orcs in this long-awaited successor to the award-winning Orcs Must Die! series.
Rogue Company
Join 20+ million players in Rogue Company, the ultimate third-person tactical action shooter! Become an agent of Rogue Company and wield powerful weapons, high-tech gadgets, and game-changing abilities. Accept the mission and jump into a variety of 4v4 and 6v6 game modes. Play FREE today!
Ghost Exorcism INC.
Ghost Exorcism INC is a horror game where you can play alone, or in a team of up to 6 exorcists. Your mission will be to identify paranormal entities, and then exorcise them.
Monster Hunter Stories 2: Wings of Ruin
A new adventure awaits you in this second installment of the turn-based RPG series set in the world of Monster Hunter! Become a Rider and form bonds with friendly monsters known as Monsties to fight alongside them as you take part in an epic story.