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
TerraTech Worlds
TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment
Battle of Empires : 1914-1918
Battle of Empires: 1914-1918 is a story-driven RTS that brings to life some of the most brutal battles of the Great War. Each mission showcases the era’s most devastating weaponry — sabotage, stealth, trench warfare, gas attacks, artillery, and mobile infantry. BoE delivers the full WWI experience.
Sapiens
Create your own prehistoric civilization and lead your tribe in a world you shape. Start with nothing, build towns and industry, and advance through thousands of years of technological breakthroughs in this intimate yet expansive colony sim.
LORT
LORT is a 1–8 player co-op action roguelite. Team up with your friends to battle, loot, and stack ridiculous power-ups across a cursed fantasy world. Fight toward escape, revive your homies, and get absolutely chadded as you evolve from goblin tickler to god slapper.
Eden Crafters
Embark on a journey of survival, crafting, and automation in Eden Crafters, a solo and co-op open-world game that challenges you to turn a hostile planet into a habitable haven for humanity. Temper the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!
IfSunSets
「IfSunSets」 is a survival RPG adventure game. During the day, secure necessary supplies across the island, and survive the night against strong and terrifying monsters that track you down. You can utilize resources you've secured to build a base to fend off threatening monsters.
Super Mega Baseball 3
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.
Go-Go Town!
Thank god you’re here Mayor - you’ve got LOTS of work to do! In this city building sim, you’re responsible for the layout, logistics optimisation, population growth - all whilst navigating the everyday chaos of infrastructure, worker management and dynamic challenges to make your dream town.
The Last Hero of Nostalgaia
The Last Hero of Nostalgaia is a satirical action-adventure, brought to life by a twisted and wicked tale. Featuring hard but fair combat, *full character customization, unique battle armor and engaging narrative mechanics rich in lore, Nostalgaia plunges you into almost certain death at every turn.
UNLOVED
Based on the community award-winning Doom2 mod with the same name by the same creator, UNLOVED is reimagined in the Unreal Engine 4 to bring forth the unspeakable terror in new ways. Play coop with your friends, increase your skills, mod your weapons and face the horror that this unearthly place holds...
Sword Art Online: Integral Factor
Aim to conquer Aincrad with Kirito and Asuna
Book of Travels
Ready your pack, grab your walking stick and step into a world of mystery. Craft your character and immerse yourself in the enchanted lands of Braided Shore. Set your own goals and adventure alone or together with Travellers you meet on the road in this serene TMORPG.
Totally Reliable Delivery Service
Delivery Attempted. That's the Totally Reliable Delivery Service guarantee! T.R.D.S. is a ragdoll physics simulation about terrible package delivery couriers. Work together using odd machinery, useful gadgets, and the wonders of physics to reliably deliver packages to their destination.
TerraScape
Build gorgeous kingdoms on floating islands by strategically placing buildings in this cozy City-Puzzler. Discover secret combinations, take on weekly challenges and explore randomly generated maps in various single- and multiplayer game modes.
Mini Cozy Room: Lo-Fi
Create Your Own Cozy Workspace! Mini Cozy Room : Lo-Fi is a productivity game blending relaxing Lo-Fi music with room decoration. Cute avatars, pets, desktop memos, to-do lists, and a Pomodoro timer help boost your focus. Feeling lonely? Work together with friends in multiplayer mode.
Wildmender
A desert gardening survival game. Start from a tiny spring and cultivate a blooming garden. Explore a vast world amid the sands and uncover its mysteries. Can you defend against the relentless forces of nature and mysterious wraith corruption, to bring life to a dying world?
Drakensang Online
Explore a world of magic and intrigue, filled with terrifying monsters and ferocious enemies! Discover the mysteries of Dracania, battle against the forces of evil and become a hero in Drakensang Online, the award-winning action RPG.
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!
0Home Sweet Home : Online
Experience the balanced PvP Battles in a 4vs1 style. Win through collecting souls in a 4vs4 style battle where the person that holds the Warden Soul will turn into a Warden to hunt down the visitor on the other team. There can only be one winner in the war between sides.
Bad Guys at School
In Bad Guys at School you can play as students and revolt against school system by completing missions, or decide to become a teacher that must maintain order despite the violence and brutality in the school.