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!

Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.

A city builder with simulated citizens, set in a procedurally-generated world map. Grow your kingdom through the eras from a tiny medieval hamlet into a prosperous global empire! Cooperate or compete in real-time with your friends in multiplayer mode.

Hobo: Tough Life is an urban survival role-playing game where you play as a homeless person. Play alone or team up in online co-op. Explore the streets of Praslav, scavenge for food and supplies, beg, steal, and do whatever else it takes to survive the forthcoming winter.

A base-building open-world survival shooter that replaces your typical base with a giant drill. Alone or with friends, explore an island plagued by eruptions, upgrade your drill, and fight robots to uncover what's been hiding beneath the surface.

Build a civilization of real people, working together to advance society and stop a meteor, all without destroying the ecosystem in the process.

FIREWORKS MANIA is a small casual explosive simulator game where you play around with fireworks, create beautiful firework shows or just blow stuff up.

Build and run your own waterpark solo or with friends. Design slides, send guests flying with ragdoll physics, manage staff, and fully customize your park. Turn total madness into a diamond five-star empire in this first-person management simulator!

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!

El Presidente is back! Prove yourself once again as a feared dictator or peace-loving statesman on the island state of Tropico and shape the fate of your very own banana republic through four distinctive eras.

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.

The world of Elysia needs YOU! Join this cooperative, 3D sandbox action RPG to level up your character, craft epic weapons, conquer enemies in real-time, and build almost anything! Craft your adventure. Forge your hero. Become the ultimate Portal Knight!

Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.

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.

Get ready to explore, farm, fish, mine, craft, and raise magical Lumas as you solve puzzles and embark on quests across Luma Island. Play solo, or team up with friends in 1-4 player online co-op. Choose relaxing Cozy, challenging Adventure, or epic Hero mode to match your mood and playstyle.

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...

Grow your own farm all by yourself, or cooperate with your friends in this unique, relaxing farming experience!

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.

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!

Experience close-quarters battles in iconic WWII settings. Defend the line, storm the beach, torch the enemy, or use a radio to call in fire support. Day of Infamy is a teamwork-oriented shooter that will keep you on your toes and coming back for more with its diverse game modes and authentic arsenal.

Construct and design buildings for optimal working conditions. Hire people to design and release software, so you can defeat the simulated competition and take over their businesses. Manage and educate your employees to make sure they are skilled and satisfied with their job.

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.

Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!

Craftopia is the brand new multiplayer survival action game made in Japan. We combined many features we find enjoyable, such as hunting, farming, hack-and-slash, building, automation to develop this game.

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.

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!

EARLY ACCESS - Play solo or in co-op with up to 6 players, with PC-PS5 cross-play. Build and grow your supermarket, stock shelves, manage inventory, deliveries and staff. Customize your store and turn your small grocery shop into a thriving supermarket.

The No. 1 LEGO® videogame franchise triumphantly returns with a fun-filled, humorous journey based on the blockbuster film. The game will also feature brand new story content from the Star Wars Universe that explores the time between Star Wars: Return of the Jedi and Star Wars: The Force Awakens.

Experience a relaxing open-world farming game where your mech does the heavy lifting. Build your ideal farm and automate the upkeep. Tune your mech to clear entire forests and plow vast fields, or kick back and watch the sunset with up to three friends.

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.