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.
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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.
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!
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.
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!
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!
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.
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.
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!
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.
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.
The Greatest Penguin Heist of All Time
The Greatest Penguin Heist of All Time is a sandboxy physics game for 1-8 players, with everything from sneaky heists to hilarous stupidity to baking pizzas. With continuous updates, plenty of maps, and hundreds of items, clothes and quests, it has something for everyone.
Run Prop, Run! - Puropu Pursuit
Run Prop, Run! is a 12-player prop hunt hide & seek game with platforming, skills, and crazy game rules! Join the hunters army to seek props, or disguise as random objects to deceive the others!
PULSAR: Lost Colony
The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits
SURV1V3
Forget what you have played so far, SURV1V3 is a unique realistic zombie survival fps game expressly designed for VIRTUAL REALITY that will let you test your survival skills. Play the thrilling story in single mode or coop with your friends (up to 4 players) and survive the apocalypse!
Red Solstice 2: Survivors
Sequel to the best-seller The Red Solstice. Plan your strategy and infiltrate a real-time tactical battlefield - alone or with up to 7 squad members. Can you demonstrate the combat prowess to survive and secure a future for humanity?
Call to Arms - Gates of Hell: Ostfront
Call to Arms - Gates of Hell is a realistic RTS/ RTT game that offers endless replay value. Command all types of troops in historical singleplayer, dynamic campaign, PvP and PvE battles. Are you ready for some serious immersion in World War 2?
Chased by Darkness
Chased by Darkness is a 1-4 players co-op survival horror. Your mission is to face supernatural entities and banish them to the spiritual plane. Explore, fight enemies and don't let the darkness reach you.
Operation: Tango
It takes two to save the world in this cooperative spy adventure. Pair up with a friend as Agent or Hacker—with only your voices to connect you—and work together to bring a hi-tech global menace to its knees. Now with a FREE CONTENT UPDATE!
EARTH DEFENSE FORCE: WORLD BROTHERS
A new EDF adventure begins! Only this time, the action unfolds in a parallel world where the Earth is made of digital blocks. This world has befallen into chaos, as the once peaceful square Earth has been shattered into pieces. Shape aside, it is an Earth nonetheless which needs to be defended.
Solasta: Crown of the Magister
Roll for initiative, take attacks of opportunity, manage player location and the verticality of the battle field in this Turn-Based Tactical RPG based on the SRD 5.1 Ruleset. In Solasta, you make the choices, dice decide your destiny.