1,237 Online Co-Op Action games your group can play together online, including ANVIL, HALF DEAD 2, and Niffelheim.
All games: 24
Take on the role of a Vault Breaker in search of alien artifacts called “Vaults” and fight against monsters and powerful bosses. You can strengthen your Breakers to explore far-away galaxies that no one has ever reached!
Go through deadly rooms of multi-storey building. Team up with other players and make your way through traps with a friendly team (CO-OP)! Or take a weapon and kill them all in the PvP game mode!
Your avatar is a brave warrior who has fallen in battle. But instead of well-deserved peace in Asgard, his soul is trapped in the harsh world of Niffelheim. Survive in this hostile world, ransack the neighbor lands, explore dangerous dungeons and find your way to Valhalla
Come with Me is a two-player cooperative game set in a puzzle filled magical world. Solve puzzles together by using your special abilities and collect memories to uncover the mystery of the world around you.
FORCED is a challenging 1-4-player game with co-op at its heart! A mix of tactical arcade action, RPG elements and puzzles will forge you and your friends together. As slaves in the toughest gladiator school of them all, you will face a plethora of unique trials - designed to be your death!
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.
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!
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.
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!