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.
            
              
              Filters & Lists
            
          
          
      
        Escape Simulator 2
      
      
        Sequel to the best-selling escape room game, brings a fresh take on first-person puzzles with a variety of new rooms to explore solo or with friends. Solve intricate puzzles, uncover hidden secrets, or craft your own escape rooms with Room Editor 2.0.
      
    
    
  
      
        Midnight Heist
      
      
        Go on heists through Midnight City alone or with up to four players to fulfill tasks as a hacker for various organizations. Improve your reputation, earn money, and uncover the secrets of shady companies all while being hunted by terrifying entities.
      
    
    
  
      
        GODBREAKERS
      
      
        Take control of every fight with ferociously fluid combat as you chain aggressive combos, cancel moves mid-swing, and steal enemy powers to turn them against their masters. Play in up to 4-player co-op to craft the perfect team setup and topple brutal bosses across different worlds.
      
    
    
  
      
        Species: Unknown
      
      
        Species: Unknown is a 1 to 4 players co-op survival horror. Complete high-risk missions aboard an abandoned ship while being hunted by an unknown creature. Survive and upgrade your gear to face each new threat that lurks in the dark.
      
    
    
  
      
        Dark Hours
      
      
        Dark Hours is a co-op survival horror game for up to 4 players. Your heist has been disrupted by a supernatural event, and your team of robbers is now trapped with an evil entity. Forget your plan, your mission is to survive. Explore and cooperate to find a way out or hide and wish for daylight.
      
    
    
  
      
        MISERY
      
      
        MISERY is a 1–5 player co-op survival game set in a nuclear disaster zone. Here, every day is a struggle: search radioactive ruins for resources, build your bunker, craft weapons, and explore a weird, procedurally-generated world with your friends. Beware of anomalies, monsters, and armed bandits.
      
    
    
  
      
        Escape the Backrooms
      
      
        Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse 30+ eerie backrooms levels while avoiding entities and other dangers. Try to escape but be warned: survival isn't guaranteed.
      
    
    
  
      
        RV There Yet?
      
      
        A co-op adventure about driving your Recreational Vehicle home.
      
    
    
  
      
        Necesse
      
      
        Build, quest, and conquer across an infinite procedurally generated world. Play alone or with friends as you establish a settlement and explore deep dungeons, fight monsters and bosses, mine rare ores, craft magical equipment, recruit specialists for your colony, and more!
      
    
    
  
      
        Project Unknown
      
      
        An online co-op horror game featuring unique playable characters and RPG mechanics. Exorcise ghosts using your special abilities and tools while surviving the supernatural onslaught
      
    
    
  
      
        Backseat Drivers
      
      
        A punishing 2-4 player driving test of your relationships. Gramma can't see and you can't drive. Together, you'll navigate the world's worst detour in an ancient car that drives even worse than it looks.
      
    
    
  
      
        Sonic Racing: CrossWorlds
      
      
        Race across land, sea, air, space, and time in Sonic Racing: CrossWorlds! Warp through Travel Rings into new dimensions where something new awaits around every twist and turn.
      
    
    
  
      
        Ratatan
      
      
        Ratatan is a rhythm roguelike action game that combines rhythm games and side-scrolling action, with online co-op gameplay supporting up to 4 players. An intense battle unfolds with over 100 characters fighting in a massive melee. Let's defeat the enemies together!
      
    
    
  
      
        Wobbly Life
      
      
        Wobbly Life is a vibrant open-world physics sandbox. Play with your friends online or in local co-op, with exciting jobs, mini games and wacky story missions. Earn cash to spend in the world on clothes, vehicles and houses. There is a whole Wobbly World out there to explore!
      
    
    
  
      
        Moros Protocol
      
      
        Face the darkness in Moros Protocol, a pixel-painted sci-fi FPS roguelite where every battle is for survival. Stranded on a decaying warship, stalked by horrors, and guided by a voice you don't recognize, you must adapt, upgrade and push forward. You may be outnumbered, but you are not outmatched.
      
    
    
  
      
        Goblin Cleanup
      
      
        A co-op cleaning game where you have to clean and rearrange a dungeon before the next adventurers come to complete it again.
      
    
    
  
      
        Lost Skies
      
      
        Chart a course in a breathtaking, but fractured world. Explore ancient ruins, master advanced technology, and craft your very own skyship to brave nature’s fury and colossal threats in Lost Skies. Team up with friends or go it alone in this awe-inspiring cooperative survival adventure.
      
    
    
  
      
        Voyagers of Nera
      
      
        Voyagers of Nera is a cooperative survival-crafting game where you must survive a magical ocean world brimming with lost spirits and deadly monsters. Sail to distant islands, build beautiful villages and surf across the waves with up to 10 players.
      
    
    
  
      
        Shape of Dreams
      
      
        Shape of Dreams delivers fast-paced, dreamlike action in a vivid roguelite world. Dive into ever-changing realms with tight controls, fluid combat, and high-stakes battles. Whether playing solo or with up to three friends, each run is a thrilling test of reflexes and strategy.
      
    
    
  
      
        Firefighting Simulator: Ignite
      
      
        Face unpredictable dangers, fight perilous fires with your crew, and save lives in Firefighting Simulator: Ignite. Step into the boots of a U.S. firefighter and play with up to 3 friends or with the help of your NPC controlled crew members.
      
    
    
  
      
        Warhammer 40,000: Dawn of War - Definitive Edition
      
      
        Warhammer 40,000: Dawn of War - Definitive Edition is the ultimate Dawn of War experience, featuring the original Dawn of War and all its expansions, along with enhanced visuals, an improved camera, and 64-bit platform support.
      
    
    
   
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
    