2,830 Online co-op games your group can play together online, including Operation: Harsh Doorstop, Chicken Invaders Universe, and Tallowmere 2: Curse of the Kittens.
All games: 24
Operation: Harsh Doorstop is the ultimate, free to play, tactical shooter sandbox. Play singleplayer, multiplayer, or co-op modes and explore thousands of community-created maps, weapons, and vehicles via the Steam Workshop. Created by developers of the cancelled Project Reality 2 project.
A deliciously addictive core of finger-blistering shooting action, surrounded by delectable morsels of galactic exploration, spacecraft customization, and community competitions.
Lady Tallowmere's kittens have been acting strange. Still, the dungeon's rituals must be carried out. Despite the unusual circumstances, how many rooms can you clear?
RealFlight® is the industry-leading flight simulator for radio-controlled airplanes, helicopters, and drones. Fly more than 300 hyper-realistic vehicles in an immense, open world right from your desktop. This RC classic is a must-have tool for flight enthusiasts of all skill levels!
Build your own mining company from the ground up. Extract resources, operate heavy machinery, construct infrastructure, and grow from a laborer to the King of Klondike.
BREAK THE CYCLE Fight to survive as this award-winning third-person shooter brings Selene’s story to PC. Take on roguelike challenges. Engage enemies in bullet hell-fuelled clashes. Share your journey through Returnal™ with another player.
The universe is full of Starlings, tiny orange aliens that want to take over the galaxy. Create your own space colony, fight epic battles and discover new planets. Train your soldiers, develop your technology and create unimaginable gadgets. Enjoy this huge social game with friends!
Ghost Recon Breakpoint is a tactical third-person shooter set in a vast open world. You must survive, adapt, and fight a rogue spec ops faction, using stealth, strategy, and high-tech gear in solo or co-op.
West Hunt is a 1-8 player social deduction game set in the Old West! Among the hardworking townsfolk hides an Outlaw or two causing mischief and mayhem across town. Luckily, there are eagle-eyed Sheriffs ready to sniff them out! No matter what role you play, you're sure to have a hog-killin' time!
Horror hide-and-seek for up to 6 players. One of you is the killer in a haunted castle — Reaper, Vampire, Scarecrow, and more. The rest sneak, finish tasks, and escape. Die, and come back as a Ghost.
STALZONE is the PvPvE extraction shooter where you don't have to start over — and the only one with persistent world worth belonging to. You are invited to explore the Chernobyl Exclusion Zone twisted by anomalies and divided between rival factions whose territories shape the danger around you
Spiders with laser swords! Duel to the death against your friends or choose to team up and hold back swarms of savage enemies. Swing, stab and shoot with style, effortlessly performing movie-worthy parkour.
'Escape Memoirs: Questionable Side Stories' is a humorous co-operative escape room game where you are a henchman who has to make his way through variety of puzzles to make it to a job interview on time. Can you solve all of the puzzles that stand in the way of your employment?
Exoprimal is an online, team-based action game that pits humanity's cutting-edge exosuit technology against history's most ferocious beasts – dinosaurs.
Explosions. Tanks. Bosses. And more explosions. Crazy fun with your friends. Hundreds of maps. Boom.
One-armed cook is a chaotic co-op cooking game for up to 4 people. Work as a team or cook on your own, set your own pace, and don't let the stress of a full restaurant catch up to you. The goofy physics-based aspect of the game gives this cooking game a new twist.
Battle Talent is a challenging physics-based rogue-lite sword-fighting game, and now includes multiplayer mode, team up with friends to defeat enemies! You can create your own fighting style in a mega seamless procedural dungeon. With over 80 enemy variants, 100 weapons, and 60 perks.
Prepare the perfect heist in a fully destructible, simulated voxel world. Tear down walls with vehicles or use explosives to create your own shortcuts. Shape the environment to your advantage in the most creative ways you can imagine. Play solo or with up to 12 players in multiplayer.
Tactical Assault VR is an intense tactical shooter where you use real-world CQB (Close Quarters Battles) tactics to stack up, breach doors and eliminate threats. Play solo or join an online co-op special forces unit in missions around the world.
The ultimate high-tech rubber duck simulation, Placid Plastic Duck brings you dangerous levels of relaxation. With chill music, dreamy 3D graphics, and many different happy ducks, your only priority is to float around. Zero Ducks given.
Construction Simulator has returned – larger and more impressive than ever! Fulfil your ambition to become a successful construction entrepreneur by establishing your business from scratch, assisted by your mentor Hape.
Microvolts Recharged is a quirky lobby-based third-person shooter with a unique toy theme. The game features a fun character cast and freely swappable 7 weapon types. Battle it out across dozens of large well-designed maps and frag your enemies!
3 Days War is a unique multiplayer strategy war game. Integrating the mechanics of RTS+4X, it allows dozens of players to engage in a three-day real-time strategy competitionon. Commanders, use your skills, strategies, games and even deception to become the ultimate winner!
Take back the city of Tertium from hordes of bloodthirsty foes in this intense and brutal action shooter. Warhammer 40,000: Darktide is the new co-op focused experience from the award-winning team behind the Vermintide series. As Tertium falls, Rejects Will Rise.