Co-op & Multiplayer Games

Start from a tiny camp and build a sprawling subterranean world together.

Build a thriving farm together with up to 8 players on PC in the 1.6 update.

Design and simulate the starships of your dreams! Command your ship or fleet in epic battles and manage your crew while exploring a dangerous galaxy. Play alone or with friends, test your ships in online PvP, and let your imagination reach for the stars!

Welcome to Feign, an intriguing role-based game that blends mystery, strategy, and deception. Step into a quirky, small town where Innocents, Impostors, and Neutrals navigate suspenseful gameplay. Your mission unfolds under the cover of night - then it's up to the village by day to vote someone out!

Unleash your inner miner as you commandeer a high-tech Mining Mech! Mine for valuable resources and upgrade your mech for even bigger hauls as you explore the underground. Fun to play alone or with up to 7 friends in online co-op multiplayer!

Distance is an atmospheric racing platformer. Fusing futuristic arcade racing with parkour, survive a deadly, mysterious, neon-drenched city by jumping, rotating, and flying.

TaleSpire is a beautiful way to play pen and paper RPGs online. Bring your stories to life and embark upon campaigns together with your friends, regardless of where you are in the world.

An online multiplayer game about shapeshifting deception and betrayal! As a hapless, brave spaceman employed by The Company you'll work diligently to defend and be rescued from failing outposts, but not everyone around you is who they claim to be...

Thousands of aliens, giant spiders, mutant lizards, and more are on the attack - can you survive the onslaught? Crimsonland is a top-down shooter with a touch of RPG. Unlock over 30 weapons and over 50 perks from quirky to brutal. Complete the quest and show your skills in five survival modes. Crimsonland also has up to four player local co-op.

Colony Survival is a unique first-person strategy game developed by a two-man team. Build your own colony in a voxel world. Command guards, farmers, miners and other colonists. Defend your colony against the horde of monsters that attacks every night!

With BADLAND: Game of the Year Edition, experience the multi-award-winning action adventure like never before - redesigned for Steam.

Co-op survival and crafting sandbox where friends divide roles between base building, gathering, and boss expeditions across multi-hour sessions.

Dungeon of the ENDLESS™ is a Rogue-Like Dungeon-Defense game, in which the player and their team of heroes must protect the generator of their crashed ship while exploring an ever-expanding dungeon, all while facing waves of monsters and special events as they try to find their way out...

A co-op survival horror game about a cursed board game. Play in a group of 6 players. Roll the dice, survive the horrors that are summoned, and beat the Gamemaster to win your freedom.

A co-op game for 1-6+ players where you fall, dig, and explode your way down a dangerous cave system to find your lost dog. Catch your friends and watch your step on this journey full of traps, hazards, and the most deadly force of all: gravity. Will you jump into the unknown to rescue your dog?

A toxic waste spill finds its way into the water supply, causing the recently deceased to rise from their graves. Now it's up to you to blast your way through the hordes of undead if you're going to escape the city. On the way to your rescue, you'll search stores and houses for supplies, and trade with other survivors.

S.O.N.A.R. (Submarine Operators Not Actually Ready) is a 1–6 player co-op submarine sim where teamwork is essential, panic is inevitable, and sinking is always one wrong button away. Use sonar, pilot, fight, repair, and pray your friends know what to do.

It's ten years since the infection started. Long-established settlements are collapsing, one by one, for unknown reasons. Survivors are running to the hills to escape, hoping for safety in remote places. As another refugee, you're here to carve out a new life for yourself - by any means necessary.

Build your own Super Mining Mech and explore the underground in search of new natural resources. Customize your mech with unlockable parts to dig deeper than ever - by yourself or with up to 7 friends in online co-op multiplayer! So, what are you waiting for? There’s mining to be done!

Revenge of the Savage Planet is an upbeat, satirical action adventure Sci-Fi. Jump, shoot and collect your way across vibrant alien worlds, uncovering new gear and upgrades, while discovering various hidden secrets.

Run up the score in a relaxed slugfest or push the limits of your reflexes in this refined baseball simulator. The third entry in the series features all-new Franchise and Online Leagues modes, major graphical enhancements, and on-field additions including pickoffs and situational player traits.

DRAGON QUEST BUILDERS™ 2 is a block-building RPG set in a fantasy land threatened by an evil cult. Explore, battle, build and harvest in the charming single-player campaign or build big projects in the online sandbox mode for up to 4-players.

Explore, craft, and survive in this Multiplayer RPG Platformer with permanent death! Featuring many Rogue-like elements, Magicite randomly generates each underground dungeon for you and your friends to delve deep into. Chop trees, mine ores, and hunt beasts in order to collect the resources and materials you need to survive the harsh and unforgiving environment. With a ton of character traits, stats, companions, and classes, players will have a different experience each play through! Be prepared to die... A LOT.

Crash land on a hostile planet where you'll have to build the strongest defenses if you wish to live to escape from it. But be warned... this planet is merciless. Build strong, and smart; else physics may flood or destroy your only hopes of survival.

A space game about swinging trash into things and dying.

The chaotic co-op railroad construction game is back! Team up with your friends to build a railroad through procedurally generated worlds with new biomes and bosses. Permanently upgrade your character and engine, even create your own levels - just don‘t let your train derail!

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

Control a tiny ball of grey goo with the ability to eat anything smaller than itself. The more it eats, the bigger it gets! Eat rats, dinosaurs, gladiators, samurai, pyramids, volcanoes... Everything! Soon you'll be eating the entire planet.

One hunter & up to 9 friends disguised as deer. A game of hide-and-seek where every move could be your last. Will you blend in with the herd or stand out? Oh Deer...

Embark on a road trip like no other in this co-op narrative survival adventure. Visit fun locations, meet wacky characters, and manage your resources wisely. And yes: you still can date some hot monsters ;)

DWARF COMBAT! Stonewards is a 1-4 player co-op first-person roguelite defense game. Lead a crew of stubborn dwarves from your base camp to aid nearby kingdoms, mine deep for resources, forge powerful upgrades, and hold the line against relentless monster attacks.

Explore, craft, and fight your way through uncharted islands — solo or with up to 4 players in co-op! Tinkerlands is an exciting survival adventure where you will build your settlement, craft useful tools to survive, and even use magic!

Team up with up to 8 friends online to explore the haunted, randomly generated depths of these dusty attics. Find and repair the objectives, flip the master switch and escape before the ghastly ghoul that lurks in the darkness catches up to you. Play through the career mode or explore free play!

The most detailed cottage experience. Live as a regular Finnish man and enjoy the summer. Play relaxed: go to the sauna, get drunk and grill food. Play how you want: make moonshine, become a burglar and turbocharge your moped.

Over 9000 Zombies! is top-down arcade action blown out of all reasonable proportions. An endless horde of zombies is coming your way, how long can you survive?

CounterAttack: Uprising is a side scrolling space shooter (shmup). Team up or fight solo, 1 - 4 player local or up to 8 players online cross-platform coop, unlock upgrades, use powerful ultimate abilities, enhance your ship the way you want, and save the Earth from annihilation.