1,871 Online Co-Op games your group can play together online, including Expedition Agartha, ONRAID, and Escape From School.
All games: 24
Expedition Agartha is a high-stakes first person slasher. Loot ancient treasures, conquer mythological enemies, and extract to safety - alone or up to groups of three. Gear up and launch your expedition in the first and only medieval extraction looter available on Steam!
Onraid is a challenging 2D shooter game, where you are free to develop your own play style and tactics to destroy your enemies.
Confused, you wake up sucked into an empty classroom. You have to try to escape from school by solving puzzles and discovering secrets.
《FreestyleFootball》 is a street hip-hop animation style soccer ACG game created by JCE and published by HOGA. In the game, you will collect and play as different characters in PVP team Competition. The game mode includes 4v4 team competition and club league.
D.A.B. Your foes in co-op & PvP battles. (D)efend bases with weapons and skill. (A)ttack with clever AI armies. (B)uild amazingly creative defenses.
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!
Rise of Legions has shut down. It was a strategy and deck building game with dynamic, tactical gameplay.
NOW AVAILABLE! When the Earth falls to an extra-terrestrial invasion, humanity becomes an endangered species. Earthfall is a four-player cooperative shooter that challenges players to survive hordes of ruthless alien drones and their inscrutable masters.
Treason is a 3-16 player party shooter of teamwork and betrayal, set among Italian mobsters. Use proximity voice chat, unique abilities/gadgets, and strategy to prove your innocence or deceive others.
Online (6v2) social deduction game that will ruin your friendships. 6 crew members, 2 murderous shape-shifting aliens. Trust No One.
Enter a world of magic and battle, where your wits and reflexes will be pushed to their limits! Choose your spells, enter the ever-changing arena and prepare to obliterate all who stand in your way!
Occult is a dynamic cooperative game with elements of horror and quest. You are waiting for a variety of opponents, puzzles and endings!
Stay Close is open-world horror game, with options for single-player and co-op. It has an unique and new gameplay approach unseen so far in any other game. You'll find yourself in a creepy and anomalous town, what is your next move?
Join the fight in War Dust VR, the ultimate FPS shooter with immersive VR gameplay. Dominate expansive battlefields with diverse vehicles, exciting mechanics, and strategic control points. Join your team and become a champion of this multiplayer war today!
Survisland is a super hardcore sandbox survival game that pays great attention to restoring the real survival experience. The character has rich and realistic actions and reactions to , and the process logic of making props is no different from reality.
Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online!
ADVENTURE. ANYWHERE! Explore endless magical worlds and battle fearsome creatures alongside millions of friends. Ride your own horse, bear or moa and discover the many game world wonders. Unleash your imagination by crafting beautiful buildings.
From Space is a solo and co-op action-shooter for squads up to four players. Take on the challenge of liberating the earth from an alien infestation with your friends, using over-the-top weaponry in a post-apocalyptic world with awesomely stylized graphics. The apocalypse has never been so much fun!
Grab your team and tear it up in Bleeding Edge, an electrifying online brawler where every fighter comes mechanically enhanced for mayhem!
Crystal Clash is a mix of Lane Battles and Deckbuilding - with action-packed tug-of-war strategy, just like your favorite RTS mods from back in the day! :) Play 2v2 or co-op with a friend, or pair up with new allies and enemies! Collect cards, build your decks and have fun crushing your enemies!
Command the Trolls and lead them on an epic journey across the wild continent of Urgath. As Chieftain of the Moonkin, a tribe driven from its home by tusk hunters and disease, their survival is in your hands.
“BLACK STIGMA” is a unique action shooter where ruthless Masters from rival organizations fight to dominate the city’s underworld. Experience stylish action and the thrill of precision gunfights!
Zengeon is an anime infused Action RPG and Roguelite with a selection of unique characters and varying play-styles. Slaughter your way through demonic hordes and colossal bosses with hundreds of combination and skill possibilities!
Hospital 666 is a 1-4 player horror escape game. Traverse through eerie hospital levels while observing the occurrence of anomalies and choosing the correct elevator. Some abnormal bosses will chase you to death, and you must find the right way to escape them.