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 12584 games featuring online co-op

EMERGENCY 4 Deluxe
Coordinate firefighters, police, medical personnel and specialists in the classic EMERGENCY 4 Deluxe! Now with the previously untranslated bonus missions in English.

Demeo
Adventurers, it’s time to unite! Gather your friends and battle the dark forces that have overtaken the world of Resolution Games' award-winning RPG dungeon crawler, Demeo. The next generation of tabletop adventure has arrived!

Mosa Lina
a hostile interpretation of the immersive sim, where nothing is planned, and everything works

Monster Prom 4: Monster Con
Can you find love at the nerdiest convention ever? "Monster Con" goes back to the multiplayer dating sim formula: go through absurd and funny situations as you find love among six sexy monsters! Who will you romance? The mimic who cosplays? The idol clown? Or the eldritch cutie? (There's also Liam)

United heist
Your crew consists of two elite thieves. A client hires you to steal a mysterious item. One handles intel; the other infiltrates. Choose your roles and master the heist in this asymmetric co-op puzzle game.

Driftland: The Magic Revival
After a devastating war between ancient mages, a powerful spell is all that holds together the shattered planet of Driftland. Take on the role of a powerful mage capable of moving and connecting floating lands, develop a mighty empire, and restore Driftland to its former glory!

Off The Grid
Welcome to Off The Grid, the next-gen free to play Battle Royale from visionary director Neill Blomkamp. Set in a near-future world where contestants are cybernetically augmented and dropped into televised bloodsport. Death is temporary, but fame is forever.

Firefighting Simulator: Ignite
Face unpredictable dangers, fight perilous fires with your crew, and save lives in Firefighting Simulator: Ignite. Step into the boots of a U.S. firefighter and play with up to 3 friends or with the help of your NPC controlled crew members.

APICO
APICO is a laid-back beekeeping sim game about breeding, collecting, & conserving bees! Set in a series of lush environments, APICO uniquely combines resource gathering, biology, and beekeeping minigames, taking ideas from a mix of real-life and fantasy apiculture & floriculture.

Aground
As one of the last human survivors, you find yourself stranded on an uninhabited island. With a few other victims of the crash, can you craft, mine, and build your way to survival?

Occult
Occult is a dynamic cooperative game with elements of horror and quest. You are waiting for a variety of opponents, puzzles and endings!

Wrench
Wrench is a mechanic simulator where players prepare and maintain race cars. The parts in Wrench are the most detailed of any game in the genre. Extreme attention has been paid to even the smallest components, including fasteners which are accurate to the thread pitch and install torque.

Circle Empires Rivals
In this fast-paced multiplayer RTS, you and your friends will take control of your own tiny kingdoms and conquer a world made of circles. Each one is overflowing with enemies to fight, monsters to hunt and loot to hoard – but watch out... Friends can quickly become rivals!

Altitude
Now Available on PC, Mac and Linux!

From Space
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!

River City Girls 2
The River City Girls are back! Misako, Kyoko, Kunio, and Riki - joined by newcomers Marian and Provie - hit the streets for an all-new beat-'em-up adventure! Team up for local or online co-op and explore a massive world packed with new abilities, enemies, locations, and more!
0Their Land
Their Land is an action-adventure first-person game with puzzles and an exciting story to experience. You play Jeremy, a 19 year old orphan who explores an untrodden island with his much older and more experienced friends. Will you fall victim to this fabled lands many perils?

Stay Close
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?
0Shark Attack Deathmatch 2
Combat in Shark Attack Deathmatch 2 is savage, gritty, and brutal. Players hunt each other down in various game modes with the constant threat of terrifying sharks joining in on the bloodshed. Tear divers apart as you take on the role as the ocean's top apex predator, The Great White.

ICBM
ICBM is a real-time strategy game of nuclear destruction. Research new technologies, build up your nuclear stockpile and use a combination of ships, planes and missiles to strike at the heart of your opponents’ cities while keeping your population safe from harm.