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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        Emissary Zero
      
      
        Co-op horror (1-4 players). You are sent to explore a mysterious building at night. Find the Moon and try to return alive.
      
    
    
  
      
        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.
      
    
    
  
      
        Onward
      
      
        Onward is the most immersive tactical VR shooter. Join your squad for a wide variety of competitive PvP, co-op PvE, and solo game modes, including intense multiplayer battles or 4-player co-op missions. Realistic weaponry and combat mechanics will push your survival and combat skills to their limit
      
    
    
  
      
        Drive Beyond Horizons
      
      
        Rev up your engines and venture into the unknown with Drive Beyond Horizons! Conquer dynamic landscapes, customize your ride, and unearth hidden treasures. Get ready for heart-pounding challenges and endless excitement. Your adventure starts now !
      
    
    
  
      
        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.
      
    
    
  
      
        Party Club
      
      
        Seat customers, serve drinks, and manage chaos with up to 4 players! Keep the peace by considering customer types while seating them. Survive disasters, handle quirky customers, and design the perfect venue to keep the party going!
      
    
    
  
      
        OUTLAWED
      
      
        OUTLAWED is a crime-themed PvE or PvPvE first-person extraction shooter, set in a modern city overrun by gangs. Enter solo or with a squad to challenge powerful enemies and search for riches, and use everything at your disposal to make it out alive.
      
    
    
  
      
        ANEURISM IV
      
      
        A dystopian simulator where your choices shape a decaying city. Join other players to protect the metropolis from ruin, hasten its downfall, or simply work in the factories. With no set goals or rules, every action has consequences in a world teetering on the brink.
      
    
    
  
      
        Split Fiction
      
      
        Embrace mind-blowing moments as you’re pulled deep into the many worlds of Split Fiction, a boundary-pushing co-op adventure.
      
    
    
  
      
        Secret Agent Wizard Boy and the International Crime Syndicate
      
      
        Use magic spells and military surplus explosives to topple an evil crime syndicate hidden beneath a prestigious wizarding school. Learn spells, engage in espionage, and spread lore-unfriendly chaos.
      
    
    
  
      
        War Robots: Frontiers
      
      
        Gear up for tactical mech action in War Robots: Frontiers, a free-to-play multiplayer mech shooter. Construct and customize, squad up with Pilots online, and fire up your engines in massive intergalactic battles.
      
    
    
  
      
        Your Mother
      
      
        《Your Mother》is a computer desktop companion. Experience the love and kindness from mothers.
      
    
    
  
      
        PGA TOUR 2K25
      
      
        Take your best shot at glory in PGA TOUR 2K25! In a 2K-first, compete in three prestigious major tournaments. Personalize your game with expanded MyCAREER, MyPLAYER and Course Designer options. Challenge friends across ranked, casual, and cross-platform multiplayer.
      
    
    
  
      
        Cafemart Simulator
      
      
        Create and decorate your cozy cafe, where guests can enjoy delicious food and drinks. Expand your service with a supermarket offering a wide selection of fresh products, so visitors can not only have a tasty meal but also do some shopping. Play solo or with friends in cooperative mode!
      
    
    
  
      
        Blood Typers
      
      
        TYPE TO KILL in this survival horror adventure. Alone or with friends, explore a sprawling cursed film studio as its horror movies bleed into reality. Choose from a roster of characters then plan your escape from this bloody homage to old school horror. But remember... death is just a typo away.
      
    
    
  
      
        Last Remains
      
      
        "Last Remains" is a highly challenging multiplayer zombie survival game. Players must survive in a city overrun by the undead, scavenging for food, arming themselves, avoiding zombies, searching for loot, plundering other survivors, and finding any possible way to escape.
      
    
    
  
      
        Chained in the Backrooms
      
      
        Chained in the Backrooms is a 1-4 player co-op, mission-based horror game. Trapped in a blurry subconscious and chained together, toy bears must solve puzzles, complete challenging missions, and survive against creatures trying to destroy them.
      
    
    
  
      
        Legacy: Steel & Sorcery
      
      
        Legacy: Steel & Sorcery is an action-combat PvPvE extraction RPG set in the classic fantasy world of Mithrigarde, rich with expansive outdoor zones. Play solo or with friends to gather loot, slay creatures, and defeat other players.
      
    
    
  
      
        BattleCore Arena
      
      
        BattleCore Arena is a free-to-play, peer-to-peer platform shooter where gravity mastery is the key to victory. Compete in quick PvP battles, using weapons and abilities to eject your opponents out of the arena.
      
    
    
   
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
    