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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        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.
      
    
    
  
      
        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?
      
    
    
  
      
        Tennis Elbow 4
      
      
        Created by and for tennis fans, Tennis Elbow 4 is the sequel of TE2013, and offers a tennis simulation with an easy and intuitive learning curve, but with exceptional gameplay depth.
      
    
    
  
      
        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!
      
    
    
  
      
        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.
      
    
    
  
      
        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.
      
    
    
  
      
        MechWarrior 5: Mercenaries
      
      
        The year is 3015. The battlefields are dominated by war machines known as BattleMechs. Level entire cities and decimate the enemy in your BattleMech. Follow a quest for glory and revenge. Manage an expanding mercenary company. Fight alongside your friends with a four-player PvE co-op.
      
    
    
  
      
        Just Die Already
      
      
        Just Die Already is an old people mayhem sandbox game created by the designers of Goat Simulator. You are old and angry and you've just been kicked out of your retirement home. How will you survive in a world that wants you to Just Die Already?
      
    
    
  
      
        Come with Me
      
      
        Come with Me is a two-player cooperative game set in a puzzle filled magical world. Solve puzzles together by using your special abilities and collect memories to uncover the mystery of the world around you.
      
    
    
  
      
        HUNTDOWN
      
      
        In the mayhem-filled streets of the future where criminal gangs rule and cops fear to tread, only the bounty hunters can free the city from the corrupt fist of felony. Lay waste to the criminal underworld and make a killing in this hard boiled action comedy arcade shooter.
      
    
    
  
      
        Soulworker
      
      
        Fierce emotions help fuel SoulWorkers to save the world from the devastated scene of a post-apocalyptic world. In a world where only dark devastation reigns – you are the only SoulWorker to come to the rescue.
      
    
    
   
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
    