1,793 Action · Online co-op games your group can play together online, including BOKURA, Dark and Darker, and Trine 5: A Clockwork Conspiracy.
All games: 24
BOKURA is a two-player puzzle adventure game. Play as two boys who ran away from their homes and work together to take yourselves somewhere far, far away. Relive the friendship of your childhood through the journey of two boys.
An unforgiving hardcore fantasy FPS dungeon PvPvE adventure. Band together with your friends and use your courage, wits, and cunning to uncover mythical treasures, defeat gruesome monsters, while staying one step ahead of the other devious treasure-hunters.
The Trine series is back with its biggest adventure! In their fifth outing, the Heroes of Trine are pitted against dastardly and duplicitous villains, who will stop at nothing to seize control of the kingdom. The clock is ticking to save the world of Trine!
Adventure through epic dungeons facing fearsome creatures either solo or with a group of friends. Master your class, loot everything, and destroy the foul creatures of the deep! Will you become a hero of legend?
The spiritual successor to Freelancer with a Lovecraftian, sandbox RPG twist. Explore a vast handmade universe with mod support and PvP/co-op multiplayer. You're going to need a bigger ship.
Become a Wayfinder, and unlock their powers as you choose your path and playstyle while pushing back a hostile force that has overtaken your world. A Co-Op ARPG where you directly shape and customize the endless adventures you go on with friends, because Wayfinders are stronger together.
Cave Crawlers is a 1-10 player rogue lite set deep underground in a system of randomly generated caves. Players use weapons, spells, and talents to defeat the unique bosses and enemies found in each biome.
Claw your way across exotic islands combining fluid movement with fast paced combat to become a Crab Champion in this third person roguelike shooter.
Fling to the Finish is a cooperative racing game where teammates are tethered together by a stretchy elastic rope. Get up close and personal with your partner to maneuver two characters bouncing, rolling, and flinging their way to the finish line!
Join the fight for Sanctuary in Diablo® IV, the ultimate action RPG adventure. Experience the critically acclaimed campaign and new seasonal content.
Strike Force Heroes is an oldschool arena shooter rebuilt with modern mechanics with full co-operative and PvP online multiplayer. It melds over the top action with epic story-telling in this intense remake of the hit Flash game.
Hey Lightcatchers! Are you ready for massive 60-player shootouts? Enjoy fast-paced hero shooter action in Farlight 84!
Crime Boss: Rockay City is a 1-4 player co-op FPS heist game with enjoyable stealth and epic killing spree combat. Featuring a solo roguelike campaign that combines FPS and strategy elements with the most hilariously cheesy voice acting that make you laugh.
Hack-n-slash your way through the evil brewing in the Outer Realm! Stop the ominous Overlords in their tracks, but tread lightly, for every corner hosts a monster in waiting!
Punch your friends for free! Battle solo or squad up in clumsy chaos across an ever-changing slate of game modes with up to 20 players.
Jump, shoot, and slash your way through 30XX, the roguelike action platformer you can play with a friend! Explore lush, ever-changing worlds that mix precise platforming with fevered combat. Destroy fearsome Guardians. Master unique Powers. Rediscover the thousand years we've lost.
Abandon all fear. Attack on Titan 2 is the gripping sequel to the action game based on the worldwide hit anime series "Attack on Titan."
Wizard with a Gun is an online sandbox survival game for 1 - 4 players set in a magical wilderness wrought with dangerous creatures and arcane mysteries. Embark on a journey alone or with a friend to collect, craft, and outfit your wizard however you see fit as you explore the unknown.
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.
Doll Impostor is a horror game where 1-4 players take on the role of guardians of possessed dolls. Work together to identify the impostor doll before 9 a.m, or face dire consequences. Every hour counts in this tense, fear-filled race against time.
Pick your favorite character, team up and fight to be the last ones standing in the new 24-player Battle Royale free to play game "MY HERO ULTRA RUMBLE"!
Rewrite fate with every strike. Face gods, mythic heroes, and legendary beasts in this souls-like Action RPG set in ancient Greece. Master brutal combat, unlock divine skills, and shape Achilles into the warrior only you can become.
A vast world awaits in the medieval, dark fantasy action-RPG, Lords of the Fallen. As a fabled Dark Crusader, embark on an epic quest to overthrow Adyr, the demon God. The final major update Version 2.5 is out now: features deadlier boss battles and all-new Veteran Mode.