Online Co-op Games
Discover the best co-op games on Steam. Access estimated total revenue, median sales per game, saturation levels, and top-performing titles to benchmark your project.
Games with Online Co-op
Explore 12566 games featuring online co-op
0SCP
Experience the thrill of covert operations in this tactical co-op shooter set in the mysterious SCP universe. Team up with friends to execute high-stakes infiltration missions against anomalous threats and rogue factions, blending stealth and strategy with intense firefights. Think. Shoot. Survive.
0SIGE 202X
202X — You wake in the heart of silence. A top-down sci-fi survival experience. Explore a derelict megaship, restore its vital systems, and purge the viral contamination to reclaim your territory.
0But Why?
BUT WHY? is a 2-6 player co-op parkour game where penguins and their bound spirits climb together. Physics-based movement, ragdoll chaos, and mistakes that can send your team falling. Reach the peak and find out why.
0The Maze
Escape an ever-shifting procedural labyrinth. Loot legendary armor, overcome challenges in crafting zones, and survive deadly traps in this fantasy Roguelite. With progressive difficulty and unique enemies, can you find the exit before the Ghost finds you?
0Null Zone: No Way Back
Oldschool A-RPG with some interesting new mechanics.
0Sticky Sticky: Surplus Protocol
A co-op PvE game about experiments and bad decisions. Place nodes, grow strange mushrooms, and get unpredictable effects. Some help, some hurt, and some should never have been eaten. Experiment with your team. Deal with the consequences.
0Glenwich Idle MMO
Welcome to the land of Glenwich, where adventurers gather resources, forge weapons, and battle through dungeons while AFK. Train 16 skills, discover hundreds of recipes, and trade on the player-driven exchange. Form parties with up to 5 players to conquer brutal dungeons and claim legendary loot.
0Unpossess 2: Exorcism Simulator
A 1-4 co-op exorcism simulator game set in the late 1900s. Play as exorcists responsible for addressing cases of demonic possession.
0Unending Watch - Dead Man's Fingers
A steampunk extraction survival game built on brutal melee combat and constant tension. No guns—only heavy strikes, smart counters, and raw survival. Enemies hunt, adapt, and ambush. The world shifts mid-run. Extract with loot… or be claimed by the dark.
0Brotherhood of Pain
Bound to the will of the necromancer Zndan, your party is dragged back from death. Conquer cursed dungeons, loot the rarest artifacts, endure resurrections, and fight to reclaim your souls. Welcome to Brotherhood of Pain.
0Farm&Night
Arrange your defenses and crops during the day and acquire scattered treasures by defending against the swarming waves of zombies at night. With funds raised repeatedly over the course of seven days, go through the stage to the next level.
0The Secret of Island of Fear
Experience a high-tension, first-person horror journey where you take control of a character stranded on a dark, mysterious island. Surrounded by eerie entities and chilling secrets, you must uncover the truth hidden within the shadows. Can you solve the island's mystery and survive the nightmare?
0Lonely Penguin
A lonely penguin waits for death at the summit, and you only have 60 minutes to reach him. Conquer Antarctic trails, drive vehicles, and race to be the first to rescue him. If you fall, your friends can save you; but time is running out in this icy desert. Don't leave him behind!
0modavuj FOREST CAMP
While exploring the remnants of a forgotten civilization, you realize the forest is far from alone. You must confront the guardians of this dark past and survive.
0Caterpillar Slime
Cooperate with friends as you play as nodes of a sticky, jelly caterpillar, to get to the end of each level.
0Eternal Angler
A surreal exploration-focused fishing adventure where you and your friends encounter strange beings hidden across fractured dimensions.
0Wyvern
A slow-burn multiplayer RTS where you expand your kingdom, build settlements, create guilds and conquer! Recruit citizens, train them into specialized warriors and craftsmen. Strategically claim territory and contest land held by rivals.
0VOLT & VOID
Think together, act together, escape together. VOLT & VOID is a premium Online Co-op experience where cooperation is key. Utilize unique abilities to solve complex mechanisms and uncover the secrets deep within the reactor.
0It’s magic, bro!
🧙♂️🔥💀 Cooperative fantasy horror where you and your bros must deliver a wagon of magical artifacts to the enchanted kingdom. Repair the cart, fight monsters, gather loot, and SHOUT SPELL NAMES INTO YOUR MIC!
0Ye Old Seadog
Ye Old Seadog is a frantic tavern manager where you run a bar for thirsty pirates. Manage resources, serve drinks, and survive the chaos of a busy night. Will you become the legendary tavern of the Evenkeel Harbor, or walk the plank? Arrrgh!