Co-op & Multiplayer Games

Chaotically busy, yet weirdly addictive with friends.

Bronzebeard's Tavern is a goofy and playful restaurant manager sim where 1-8 players can work as a team with multiplayer co-op. Fulfill a number of different roles, serve a diverse range of customers and cook up delicious dwarven cuisine.

Multiplayer jigsaw puzzles with voice chat! Play on your own or with friends, and feel like you're all sitting around the same table. Millions of puzzle images, upload your own, or create any puzzle you can imagine just by describing it!

Unleash the apex worm in you! Join a world where you eat to grow and aim to become the largest worm around. Dodge viruses, cut off enemy paths, and indulge in addictive multiplayer action. Custom skins, game modes, and more await!

Would you enjoy building CASTLES, traps and siege machines in MULTIPLAYER? And then undermine your opponents castle and collapse it with 2D PHYSICS & DESTRUCTION?

Play free and try tables in trial mode with Zaccaria Pinball, featuring 175+ tables, including 40+ officially licensed from Zaccaria was founded by three brothers: Marino, Franco, & Natale. Zaccaria was one of the three largest pinball manufacturers in the world, next to Bally & Williams.

A team based PVP game where groups of up to 8 players must work together to operate a tank!

Expand a small kingdom to a mighty Dominion! Play the Spiel des Jahres winning boardgame beloved by millions around the world. Discover the game that defined a genre, Dominion was first to popularize deck-building and remains a staple of tabletop. This is the officially licensed implementation.

Beavers be Dammed is a two player local co-op game in which two beavers perform heists under time pressure to steal wood from a sawmill under crazy circumstances!

Download the Friend Pass and play for free with a friend who owns the full Operation: Tango game. It takes two to save the world, but it only takes one to pay for it.

A fun hidden role game where you backstab your co-workers and get mad at your co-workers for backstabbing you. (6-10 players)

8Bit Fiesta brings everything you need to the table with its action packed local multiplayer mayhem including a built in drinking game! Choose between a ton of characters and challenge your friends and prove yourself worthy the title "King of the Fiesta".

Meditative rhythm ping-pong

The DEMO for the WILDEST ANIME FIGHT, Fly Punch Boom! Fly super fast, smash your friends through skyscrapers and break the planet with one punch! Up to 4 players local & online. Now with workshop for INFINITE CHARACTERS!

Battle friends over air, land and sea in this epic WW2-themed battle strategy game.

A new lead turns up old doubts about an 'Unsolved Case'. A trap, or a copycat killer? In this co-op puzzle game prequel to the award-winning Cryptic Killer series, put on your detective badges as you collaborate and communicate to crack the codes, solve the riddles, and catch the Cryptic Killer.

Now Available on PC, Mac and Linux!

Dance the tango of death in Grabity, a fast-paced, physics-based arena brawler. Combat robots duke it out using Grab guns to turn nearby objects into lethal projectiles or makeshift shields in intense tactical throw-downs.

Get ready to drink and drive (safely). Challenge friends in multiple drinking and driving game modes, like drunk cop chases, pedestrians, races, capture the flag, hot potato, and more! With options to change the style of play, there is so much drunk driving fun!

Welcome to Mythgard, a fantasy cyberpunk CCG of heroes, gods, and mythical beasts. Master the unique lane and mana systems in your rise to the top or enjoy team play with a friend. New players can use the code WelcomeChallenger to get 20 free packs and more to start their journey.

A high-octane, stunt, arcade game with an addictive combo and trick-based gameplay set in a retro arena. Get behind the wheel - jump, drift, stunt, and compete with others on the way on top the global leaderboard. It’s time to GET REKT!

Play an early version of the first level for free! Work together to solve the puzzles and escape a desert island in this multiplayer co-op adventure. Success requires more than just you and your partner thinking alike - you'll have to communicate and stay In Sink to overcome the challenges ahead.

Enjoy some of the best loved Flash games of the past in this awesome time capsule of over 60 Ninja Kiwi classics. Experience a piece of history and play the original Flash games that spawned the worldwide phenomenon of Bloons TD.

Behold, the miracle of life… packed into cubes! Create fantastic creatures in an open-world sandbox game like no other. Explore, craft, and survive—all with the help of your very own creations.

The You Quiz is a multiplayer game where the questions are about you! Be the King and judge your friends' answers about yourself. Or be a Courtier, guess their quirks, tastes, and dreams. Invite up to 7 friends for free using the Friend's Pass!

As an Ethereal Estate agent, your job is to make a mess out of a mansion and its helpless inhabitants. Never before has a ghost unleashed such devastating chaos... until now!

An online game that you'll play with 3-11 players as a Prisoner or a Guard and will try to escape or prevent escapes. Loot, Craft, and make your way to the exit, or investigate and arrest wanted players as a guard!

Counter Agents is a spy-themed, head-to-head multiplayer game where your objective is to sneak around guards, steal the briefcase, and make it to an exit point before your opponent!

Real-time natural selection! Who will survive, a bear with a cheese or a shark with a shotgun? King of the Couch: Zoovival is the latest evolution of the platform battle arena game genre! Fight as an animal, with a wide assortment of weapons, on multiple unique battle arenas in King of the Couch: Zoovival.

Gorilla Simulator - Play with other gorillas, explore the map, participate in random events, collect bananas, hats and climb the mountain to collect Pineapple!

Artillery tactics games are back! Grab some friends and get ready for an all out Wizard war! Create your own way of play with tons of unique spells to choose from. With randomly generated terrain and unlimited combinations, you'll never know what will happen next. Completely free to play.

Relive the Capcom classics! Get 1943 -The Battle of Midway- and game logo wallpapers free with your download!

Inspired by the classic arcade Lunar Lander game, in Galactic Lander you control a delicate scientific spaceship which you must deliver from point A to point B, either alone, or with a friend in a co-op level, potentially made by the game's own Steam Workshop community!

Help Tama to save Koko using the powers of the forbidden Sword of the Necromancer. Turn your foes into allies and reach the depths of the Necromancer's dungeon. Defeat the guardians to gain enough soul power to bring Koko back from the dead, no matter the cost.

Play as a Turtle and duke it out in a game of Football. Use your gun to fly around the field or even shoot the ball.

Chase your friends in this heart-racing "Tag" based game. Use a grappling hook and bouncy physics to your advantage. Features proximity voice chat.