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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        BACKROOMS: APPREHENSION
      
      
        A terrifying multiplayer horror experience with social deduction elements. Trapped in the Backrooms, up to 12 players must try to work together to survive and expose the shapeshifting Skin Stealer hiding among them before it’s too late. Who will you trust?
      
    
    
  
      
        Deadzone: Rogue
      
      
        Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.
      
    
    
  
      
        Whisper Mountain Outbreak
      
      
        Escape room meets co-op survival horror. The year is 1998, and an ancient curse has been unleashed, trapping everyone on Mount Bisik. Alone or with up to 4 players, you must explore, find clues, figure out a way to escape...and survive the horror.
      
    
    
  
      
        Bang Bang Barrage
      
      
        Survive the treacherous sea in this quirky multiplayer shooter game! Play solo or team up and fight off Cthulhu's minions. Master a unique recoil-based mechanic to blast enemies and chart your course. Mix and match upgrades to craft the perfect sea-surviving strategy!
      
    
    
  
      
        GUNTOUCHABLES
      
      
        Guntouchables is an online co-op doomsday roguelite for 1-4 players. You play as a gun-toting group of 'preppers' trying to reclaim the world from an ever-evolving horde of mutants, constantly working to develop new unique ways to kill you.
      
    
    
  
      
        A Few Quick Matches
      
      
        A FEW QUICK MATCHES is a fast-paced, 1-4 player platform fighter that lets you bring old-school stick battles to life! play with your friends locally, or challenge players online in this flash-inspired spectacle!
      
    
    
  
      
        Demon Slayer -Kimetsu no Yaiba- The Hinokami Chronicles 2
      
      
        Destroy demons with the power of forged bonds! Tanjiro Kamado's battle will once again unfold…
      
    
    
  
      
        Gatekeeper
      
      
        Gatekeeper is a fast-paced rogue-like. Go on a quest to chase down Chaos and reclaim the stolen Heart of Time, fighting your way through relentless enemy forces. Play solo or in 4-player co-op and become the next Gatekeeper!
      
    
    
  
      
        Frosthaven
      
      
        From the creative mind of Isaac Childres, the highly acclaimed board game moves to the digital realm in the video game adaptation of FROSTHAVEN! The dark fantasy tactical RPG features deep mechanics and challenging yet satisfying gameplay both in Single Player and Co-Op Online Multiplayer.
      
    
    
  
      
        Paddle Paddle Paddle
      
      
        Paddle through pain. Solo or co-op. One paddle each. Lava everywhere. You’ll fall. You’ll scream. You might cry. Good luck and embrace the salt.
      
    
    
  
      
        Bogos Binted?
      
      
        Welcome to a sinful night with the galaxy’s wackiest aliens. Play twisted tabletop games with up to 4 players, devise brilliant strategies, bluff your way to victory, and try not to lose your head - literally.
      
    
    
  
      
        Ghost Watchers
      
      
        Ghost Watchers is a co-op online horror game. You will explore and hunt ghosts in abandoned houses
      
    
    
  
      
        Wildgate
      
      
        Wildgate is a crew-based PVP multiplayer shooter that blends tactical ship-to-ship combat with fast-paced first-person action. Evade deadly environmental hazards, search for powerful weapons and ship upgrades, and be the first crew to escape with the Artifact... or the last crew left flying.
      
    
    
  
      
        Abiotic Factor
      
      
        Abiotic Factor is a survival crafting experience for 1-6 players set in the depths of an underground research facility. Caught between paranormal containment failure, a military crusade, and chaos from a dozen realms, the world’s greatest minds must survive against the universe’s biggest threats.
      
    
    
  
      
        Phantom Squad
      
      
        Phantom Squad is an intense 1-4 player tactical top-down shooter that blends fast-paced combat with real-time strategy.
      
    
    
  
      
        Neon Abyss 2
      
      
        Dive into the cybermyth roguelike chaos of Neon Abyss 2! Now featuring up to 4-player online co-op, more combat styles, and unlimited item synergies, every run delivers a dramatic, action-packed experience you won't forget.
      
    
    
  
      
        C.A.S.T. (CHERNOZEM ANOMALY STRIKE TEAM)
      
      
        C.A.S.T is a third-person PvE extraction shooter playable solo or in co-op. Select your character and loadout to battle enemy hordes, evade anomalies, and complete objectives across handcrafted maps with dynamic procedural elements.
      
    
    
  
      
        Climb The Backrooms
      
      
        Ascend through the twisted levels of the Backrooms using physics-based object manipulation to overcome obstacles, solve mind-bending puzzles, and uncover unsettling secrets. Play solo or team up in online co-op with up to 4 players as you climb higher, think smarter, and survive the unknown.
      
    
    
  
      
        Tobacco Shop Simulator
      
      
        Run your tobacco shop. Sign contracts with leading brands, order products, hire workers, expand your store, and never let your customers leave the store empty-handed. Play with friends or go solo, and enjoy the growth of your shop.
      
    
    
  
      
        Crime Simulator
      
      
        You’re out of jail, but the debt isn’t gone. Sneak, steal, and break into houses solo or in 4-player co-op. Use lockpicks, sleeping gas, and brute force to complete jobs, outsmart security, and make enough money before time runs out. Will you pay back what you owe, or lose everything?
      
    
    
  
      
        PEAK
      
      
        PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?
      
    
    
  
      
        GONE Fishing
      
      
        GONE Fishing is a co-op multiplayer survival horror game where you and your friends must work together to stay alive, by fishing. The only way to survive is to keep feeding the lake’s insatiable hunger before it feeds on you. Can you satisfy the hunger... or will you become the next offering?
      
    
    
   
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
    