Best Online Co-Op Games on Steam
Unlike generic lists, our game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated online co-op games.
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Lost Castle 2
"Lost Castle 2" is a 2D Beat'em up Rogue-Lite game. Explore abundant treasures and items to enhance yourself, master various weapons to showcase your skills, and challenge powerful monsters to demonstrate your strength. A new adventure is calling for treasure hunters!
TerraScape
Build gorgeous kingdoms on floating islands by strategically placing buildings in this cozy, medieval City-Puzzler. Discover secret combinations, take on weekly challenges and explore randomly generated maps in various single- and multiplayer game modes.
Enlisted
In Enlisted, you are not only commanding a single soldier, but an entire squad! This MMO squad based shooter recreates the key battles of the bloodiest war of the 20th century, with hundreds of soldiers, tanks and aircraft taking part in each battle.
DeathWatchers
Use the specialized equipment at your disposal to locate & log as many paranormal events as possible. Decipher the ingredients needed for your ritual and try to exorcise any demons within. Any incorrect ingredients and you may never leave! 1-4 Players
Classic Marathon 2
From the team that brought you Aleph One, the classic sci-fi FPS Marathon 2: Durandal from Bungie on Mac revived for modern hardware by the fan community.
Nevergrind Online
Nevergrind Online is the ultimate dungeon-crawl multiplayer blobber RPG focused on treasure hunting and slaying monsters! Create your hero and start climbing the ladder in normal mode—or, for those seeking the ultimate challenge, hardcore mode! No microtransactions ever!
Once Human
Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world.
KunKun dream Startles the Soul
Multiplayer , yes! You have been trapped in KunKun's dream, you and your trapped companions have to find a way to escape and avoid these Grotesque Object! Grotesque Objectlike playing basketball and worship chickens, hate watermelons, and even come Let me see
ASKA
A new Viking age dawns with you at its helm. Forge a thriving colony from nothing in this mythic open-world survival sim. Earn the gods' favor and survive in a land ruled by ancient terrors and unforgiving seasons. Rally unique villagers, expand your settlement and defend your tribe - solo or co-op!
Chained Together
From the depths of hell, climb chained to your friends through diverse worlds. Solo or co-op, try to reach the summit and discover what awaits you there...
Avatar: Frontiers of Pandora™
Avatar: Frontiers of Pandora™ is a third and first-person action-adventure game set in the Western Frontier. Reconnect with your lost heritage and discover what it means to be Na'vi.
TFC: The Fertile Crescent
Gather resources, build your base, and lead your people to victory in this captivating reimagining of classic RTS, set in the Bronze Age. Secure fertile land, fend off raids, and stockpile food to generate knowledge and unlock powerful village advancements.
Dark and Darker
An unforgiving hardcore fantasy FPS dungeon PvPvE adventure. Band together with your friends and use your courage, wits, and cunning to uncover mythical treasures, defeat gruesome monsters, while staying one step ahead of the other devious treasure-hunters.
Sneak Out
Sneak Out is a free to play multiplayer game full of mischief and fun for up to six players. Enter the Haunted Castle and prepare to hunt, hide, or prank 'em all, causing all kinds of hilarious mayhem while trying to win the deadly game of hide and seek!
Diabotical Rogue
Welcome to our online first-person shooter that combines fast-paced combat and roguelike upgrades. Choose from 4 base suits each with their unique flair. Improvise. Adapt. Overcome your opponents and teammates alike.
Killer Klowns From Outer Space: The Game
Plan your own alien invasion and harvest humans as the iconic Killer Klowns, or gather a team of survivors to fight the extraterrestrial threat, in a game based on the ‘80s cult classic movie. Welcome to a new, craazzy take on the asymmetrical multiplayer horror experience!
Night of the Dead
'Night of the Dead' is an open-world game that combines elements of exploration, tower defense, survival, and crafting. Traverse a world dominated by zombies while collecting various resources and powerful equipment. Build a fortress to survive the hordes of zombies that swarm every night!
Taora : Survival
Taora is an open world survival game with unique character building and crafting. Build and upgrade your base, and survive the zombie apocalypse !
Ships At Sea
Experience the thrill of navigating a wide range of ships. In single- and multiplayer modes, immerse yourself in tasks such as service, cargo transport, and commercial fishing as you explore the breathtaking open world of Norway´s Islands and its stunning scenery. The ocean is within your reach!
Viking Rise
3rd Anniversary begins! Limited Hero and Hallowed Castle Skins debut—join us!
Pampas & Selene: The Maze of Demons
Join Pampas and Selene as they overcome monsters, demons, and the Dark Priest with the help of the gods themselves! Explore this co-opvania 8-bit platformer alone or with a friend. This retro game is a loving tribute to an MSX2 masterpiece from the creator of UnEpic, Ghost 1.0, and UnMetal.
Ghost of Tsushima DIRECTOR'S CUT
A storm is coming. Venture into the complete Ghost of Tsushima DIRECTOR’S CUT on PC; forge your own path through this open-world action adventure and uncover its hidden wonders. Brought to you by Sucker Punch Productions, Nixxes Software and PlayStation Studios.
Men of War II
Experience warfare like never before! Men of War II, the anticipated sequel to the highly acclaimed RTS franchise is here with all-new units, locations, campaigns, game modes and true trademarks of the series: historical fidelity and action-filled gameplay on the Eastern and Western Fronts of WWII.
What the Fog
What the Fog?! You’ve been sucked into a cursed boardgame! Now you and a friend will need to work together to survive. Run, jump, dash, and shoot to escape swarms of angry monsters in this chaotic co-op roguelite from the world of Dead by Daylight.
SAMURAI WARRIORS 4 DX
The sparks of destiny ignite in this rich depiction of the Warring States period that features a total of 55 different officers. The deluxe edition contains more than 150 previously released DLC from "SAMURAI WARRIORS 4," including costumes, weapons, customization parts, scenarios, and BGM!
Crime Simulator: Playgrounds
Crime Simulator: Playgrounds is a short, chaotic, and hilarious entry in the Crime Simulator franchise. Throw hammers, spray pepper gas, and cause mayhem solo or with up to 4 players. Take over hideouts, complete absurd missions, and unleash destruction with the wildest weapons. No rules—just fun!
Classic Marathon
From the team that brought you Aleph One, the classic sci-fi FPS Marathon from Bungie on Mac revived for modern hardware by the fan community.
V Rising
Awaken as a Vampire. Hunt for blood in nearby settlements to regain your strength and evade the scorching sun to survive. Raise your castle and thrive in an ever-changing, open world full of mystery. Gain allies online and conquer the land of the living.
World War Armies
World War Armies is the ultimate PvP real-time strategy game. Command advanced war machines and compete for free against other players worldwide. Revolutionary mechanics reduce downtime and focus on direct engagement with the enemy, you get to the fun parts of RTS faster.
FOUNDRY
Build a sophisticated robot factory optimized to perfection in an infinite voxel world. Mine and harvest resources, automate your production lines and manage complex systems while researching your way to become the galaxy’s leading robotics megacorp.
Gray Zone Warfare
Enter a high-stakes PvE-first open-world tactical shooter set on a quarantined Southeast Asian island torn apart by faction warfare. Deploy as an elite operator, fight solo or with your squad to carry out missions, earn reputation, and explore the truth behind the Event igniting the conflict.
Sherwood Extreme
A co-op Crossbow Shooter with Bullet-Time Parkour! Race through levels and horde mode, chaining combos of slow-mo sniping and destruction to climb the leaderboards. Build maps in the Level Editor.