762 Online Co-Op Adventure games your group can play together online, including Inside the Backrooms, Hammerwatch Anniversary Edition, and Drakensang Online.
All games: 24
Inside the Backrooms is a horror multiplayer game mixed with different mechanics that will make you spend an intense night with friends. Explore, think, interact, but be careful, it is rumored that there are several entities wishing to find you...
Choose between seven hero classes, each with unique capabilities. Brave hordes of deadly creatures alone, or band together with your noblest of champions in co-op mode available both online and locally. Take on the challenges in three different campaigns, or build your own custom scenario.
Explore a world of magic and intrigue, filled with terrifying monsters and ferocious enemies! Discover the mysteries of Dracania, battle against the forces of evil and become a hero in Drakensang Online, the award-winning action RPG.
Welcome to Escape Academy. Train to become the ultimate Escapist. Solve Puzzles. Hack Servers. Meet the Faculty. Brew the perfect cup of tea. Escape Rooms in single player or co-op with a friend - local or online!
MAJOR UPDATE 1.2: SKILL TREES! The wait is over—no better time to jump in than now! Pick your class & tailor your skill tree to match your ideal playstyle. Shake up the experience with Encounter System & Elemental Combos. Stronger, sleeker, and bursting with new thrills—MythForce is ready!
Rediscover the beloved 2D arcade-style beat 'em up inspired by the iconic comic and movie Scott Pilgrim vs. The World!
Explore the vibrant open world landscapes of Mexico with limitless, fun driving action in the world’s greatest cars.
Gunfire Reborn is a level-based adventure game featuring FPS, Roguelite and RPG. Players can control heroes with various abilities to experience diverse Build gameplay, use various weapons to explore procedurally-generated levels. You can play the game alone, or join 4-player coop.
BOMBERGROUNDS: Immerse in a free-to-play massive multiplayer action-packed arena inspired by classic bomber games. Dash, bomb, bat, and explode your way to victory. Your realm of relentless arcade action is just a click away—dive in and rule the grounds!
Rise up and play with up to three friends in this ever-evolving cooperative multiplayer, roguelite shooter. Explore multiple biomes, mini games, find hidden chests, and defeat numerous enemies and bosses.
Batman is dead. It is now up to the Batman Family - Batgirl, Nightwing, Red Hood, and Robin - to protect Gotham City.
Bravery and Greed is a beat 'em up, roguelite, dungeon brawler for up to four players. Choose from four classic fantasy classes, engage in a deep robust combat system, and play a variety of co-operative and competitive game modes with friends via local, online or both. Get rich, or die trying!
First-person puzzler you can play solo or in an online co-op. Explore a set of highly interactive escape rooms. Move furniture, pick up and examine everything, smash pots and break locks! Play thousands of community-made rooms through the level editor.
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
Knights of Braveland is a cooperative beat'em up action game with a generated story. You will hack, slash, and smash your way to victory. And with your friends it is much more fun. Play local or online.
The Last Hero of Nostalgaia is a satirical action-adventure, brought to life by a twisted and wicked tale. Featuring hard but fair combat, *full character customization, unique battle armor and engaging narrative mechanics rich in lore, Nostalgaia plunges you into almost certain death at every turn.
Gather your friends and come to Tinkertown - A refreshing new Multiplayer Sandbox Experience! Explore magical places filled with loot, danger, and creativity.
Serious Sam: Siberian Mayhem is a new stand-alone expansion to the world of the classic FPS series. Join the fight against Notorious Mental on a journey through the wild lands of Russia, and find your way through this lost chapter of Sam Stone's adventures.
Plunge into "Maurice: Predator's Nest". A survival game where you're either a cunning survivor or a fearsome predator in a dark, treacherous world. Outwit or hunt in this thrilling battle for survival.
Embark on an epic adventure full of whimsy, wonder, and high-powered weaponry! Roll your own multiclass hero then shoot, loot, slash, and cast on a quest to stop the Dragon Lord.
Welcome to the coziest way to kill your friends. Super Animal Royale is a 64-player, top-down 2D battle royale where adorably murderous animals fight tooth, claw, and machine gun. Then, relax in Super Animal World with fishing, hamsterball races, and story quests before the next fight to the death.
Embark on an odyssey for the Lost Ark in a vast, vibrant world: explore new lands, seek out lost treasures, and test yourself in thrilling action combat in this action-packed free-to-play RPG.
DeadPoly is a polygon arcade zombie survival looter shooter with base building, crafting, scavenging, leveling, questing, and more, but your only goal is survival, everything else is optional.
ICARUS is a solo or multiplayer PvE survival game. Explore a savage wilderness in the aftermath of terraforming gone wrong. Complete narrative quests as either Open World operations or Individual Missions. Explore, build, craft and hunt while seeking your fortune and prospecting for exotic matter.