Discounted 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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        School 666
      
      
        School 666 is a 1-4 Player Co-op Survival Horror. You must escape this endless nightmare. Try to identify the correct path and survive the anomalies in this endless school. Some extremely powerful anomalies will catch you to their dimensions. Explore the reason why you are here... and don't die.
      
    
    
  
      
        Parallel Experiment
      
      
        Two detectives, one deadly experiment, a race against time. Each player only has one half of the puzzle. In this 2-player co-op puzzle game you can survive the parallel experiment only by working together.
      
    
    
  
      
        POPUCOM
      
      
        Venture together with your friends on an unknown planet. Use color switching, match-3 shooting, and artifact powers to overcome challenges and keep advancing. What lies ahead of you is an adventure filled with wonder, hope, and much more to discover!
      
    
    
  
      
        Paranormal Cleanup
      
      
        Clock in for the worst cleaning shift of your life: Unclog nasty toilets and scrub ectoplasm in this 1-4 player online co-op survival horror game. Get the job done and don't get caught by the entities hunting you!
      
    
    
  
      
        Wrap House Simulator🌯
      
      
        Welcome to Wrap House Simulator! Run your own wrap shop, chop, grill, and serve in this cooking adventure. Customize your shop, master the grill, and survive the rush solo or co-op with up to 6 players. Keep up with orders, satisfy customers, and build your dream restaurant!
      
    
    
  
      
        Guilty as Sock!
      
      
        Enter a chaotic courtroom where socks play lawyers, prosecutors, and judges! Use absurd evidence, craft wild arguments, and deliver verdicts in this hilarious online party game. Improvise, strategize, and shout "Objection!"—because in Guilty as Sock!, chaos always wins!
      
    
    
  
      
        ELDEN RING NIGHTREIGN
      
      
        ELDEN RING NIGHTREIGN is a standalone adventure within the ELDEN RING universe, crafted to offer players a new gaming experience by reimagining the game’s core design.
      
    
    
  
      
        The Break-In
      
      
        Steal everything. Even the people. The Break-In lets you take whatever you want, from TVs to fridges to toilets. And all in 1-4 player co-op, VR and non VR. Select your getaway vehicle, anything from a bicycle to a stolen police van, and load up with gear like hammers and rocket boosters, and steal.
      
    
    
  
      
        ContractVille
      
      
        Plan, design, build, and decorate your dream house in an open-world. Smash walls, sketch your layout, then build and decorate every inch—inside and garden. In an open world, tackle each renovation solo or with up to 4 friends. Pick up that hammer and start creating - Your dream house is waiting!
      
    
    
  
      
        Forsaken Frontiers
      
      
        Step into the frozen unknown in Forsaken Frontiers, a cooperative analog horror adventure set in the unforgiving embrace of an everlasting winter.
      
    
    
  
      
        Tinkerlands
      
      
        Explore, craft, and fight your way through uncharted islands — solo or with up to 4 players in co-op! Tinkerlands is an exciting survival adventure where you will build your settlement, craft useful tools to survive, and even use magic!
      
    
    
  
      
        RoadCraft
      
      
        As the leader of a company specialized in restoring sites devastated by natural disasters, use your construction machinery to restart the local industry. Clear debris and faulty equipment, rebuild roads and bridges damaged by weather, and much more!
      
    
    
  
      
        Capcom Fighting Collection 2
      
      
        Capcom's new fighting collection hits the stage! Choose from fan-favorite games like Capcom vs. SNK 2: Mark of the Millennium 2001 and Project Justice to 3D action games like Power Stone and Power Stone 2 in this collection of eight classic fighting games!
      
    
    
  
      
        Revenge of the Savage Planet
      
      
        Revenge of the Savage Planet is an upbeat, satirical action adventure Sci-Fi. Jump, shoot and collect your way across vibrant alien worlds, uncovering new gear and upgrades, while discovering various hidden secrets.
      
    
    
  
      
        Survival Machine
      
      
        Build your base on a moving Machine, travel through biomes with different resources, and prepare for the night when a zombie threat is much higher than during the day. Would you go solo or explore this new world with your best friends?
      
    
    
  
      
        Among Us 3D
      
      
        Teamwork and betrayal in space! In this PC & VR party game, Crewmates work together to complete tasks before one or more Impostors kill everyone aboard. Experience all of the same deception and deceit as the original Among Us, but now in all three dimensions.
      
    
    
  
      
        Vellum
      
      
        Write on! Defend the books in Vellum, a co-op, literary roguelike! Harness class-defining colors, master an inspired spellbook, and influence the growth of your enemy! As a group or solo, you'll craft plot-twisting builds to rewrite the rules in Ink!
      
    
    
  
      
        Survivalist: Invisible Strain
      
      
        It's ten years since the infection started. Long-established settlements are collapsing, one by one, for unknown reasons. Survivors are running to the hills to escape, hoping for safety in remote places. As another refugee, you're here to carve out a new life for yourself - by any means necessary.
      
    
    
  
      
        Dinkum
      
      
        Dinkum is a survival life simulation game set on an island inspired by the rugged Australian outback. Farm, hunt, mine, fish, and forage to gather resources, expand your town, and discover what makes Dinkum so special—either solo or with friends.
      
    
    
  
      
        Warside
      
      
        Welcome to Warside, the fast-paced turn-based tactics game. With a single-player story campaign, multiplayer support, and a built-in map editor, the fight for victory never ends. Choose your Commander, assemble your forces, and battle your way to victory.
      
    
    
  
      
        Bureau of Contacts
      
      
        "Bureau of Contacts" - ghost-hunting game for 1-4 players, in which you'll encounter 2 enemies at once - location itself and the ghosts with most human-like intelligence ever. So...look around and watch what you say!
      
    
    
  
      
        PARANOIA PLACE
      
      
        PARANOIA PLACE is a 1-3 player online co-op survival horror game. Together or alone, you will need to solve puzzles, find items and run from the bloodthirsty demonic killer.
      
    
    
  
      
        LIZARDS MUST DIE 2
      
      
        LIZARDS MUST DIE 2 is a cooperative slasher action game, a high–quality continuation of the SENSATIONAL first part. Insidious lizards attacked the lands of the Rus again. HYPERBOREA is on fire and only the GLORIOUS HEROES can kick the invaders from their homeland.
      
    
    
  
      
        Unpossess: Exorcism Simulator
      
      
        Unpossess is a 1-4 co-op exorcism simulator game set in the early 1900s. Players take on the role of exorcists responsible for addressing cases of human possession.
      
    
    
   
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
    