1,686 Co-op Action games your group can play together online, including ONE PIECE: PIRATE WARRIORS 4, Demonologist, and Classic Marathon 2.
All games: 24
Step into the world of One Piece like never before in Pirate Warriors 4! Unleash devastating attacks against massive enemy armies and relive iconic anime arcs in an action-packed adventure. With stunning visuals, fast-paced combat, and fan-favorite characters, experience a One Piece power fantasy.
Demonologist is a Co-Op horror game that can be played with at least 1 and up to 4 players. Your goal is to identify the type of evil spirit in cursed places and exorcise it using your equipment, either alone or with your team.
From the team that brought you Aleph One, the classic sci-fi FPS Marathon 2: Durandal from Bungie on Mac revived for modern hardware by the fan community.
FPV Kamikaze Drone is a tactical game focused on FPV drones in modern warfare. Control drones in first-person in single-player and co-op, and in multiplayer play as a third-person soldier who finds and uses FPV drones during combat.
Fight for survival in Blazing Sails, a fast-paced pirate PvP game! Create your own unique pirate and ship. Band together with other players to command your mighty vessel! Explore different game-modes, maps, weapons, ship types and more while eliminating other crews in epic battles on land and sea!
A team based PVP game where groups of up to 8 players must work together to operate a tank!
Race the world in Race Royale, run the Gauntlet for roguelike cards and a rival, build your own tracks and share them on the Workshop, and let your Twitch chat blackout your screen and bomb on your friends.
Take back the Theed Royal Palace in this fast and furious lightsaber action game. You will have the power of the Force and your trusty lightsaber to help you ward off legions of battle droids, destroyer droids, assassins, and other creatures from Star Wars: The Phantom Menace.
Explore haunted locations, collect paranormal evidence, and survive the revenge of the former residents still haunting them. Team up with up to 3 friends to figure out the ghost, however, what begins as an investigation quickly turns into a desperate struggle to stay alive.
Skull and Bones is an open world naval action RPG where ship combat, build choice, and sailing skill define your pirate legend. Conquer rival ships and mythical beasts in a vast ocean of up to 20 players.
The mayor of Rockhaven threw you down a hole into the Undercity. Why? Net worth too low. In this open-world simulation, you and up to 3 pals will steal, fight, and scheme to reclaim the city. Customise your rides, buy businesses, and take on the Mayor’s forces. Rockhaven is yours for the taking!
Imagine DayZ or Rust but you're a duck. A persistent world survival game with PVP, PVE, crafting, base building and hat wearing ducks, wielding weapons.
Introducing the 2nd installment for the 10th anniversary of SWORD ART ONLINE! A total of 21 characters from the series join the battle beyond memory—a challenge taken on solo or with friends. Go beyond memory... and Switch!
Pilgrim is a medieval-based, co-op horror, adventure. Can you and your friends make it to the end of The Road?
A Day Out is a monster-hunting and case-solving co-op horror adventure. Capture monsters and discover a new supernatural world with your friends!
Fight your way through endless waves of holoX's minions! Gear up with all sorts of equipment and items in this action packed beat-em-up to reach the 5 bosses of hololive's "holoX", and put a stop to their plans!
Ember Knights is an action rogue-lite for 1-4 players where you play as legendary knights, the last spark of hope against the mad sorcerer Praxis and his hordes of unwavering fiends. Wield weapons & skills, build synergies with game-changing relics and free the universe of Praxis’ corruption.
A quirky, absolutely content-packed, destructible open-world sandbox adventure with combat, platforming, character customization, and collect-a-thon scavenger hunt experience. Play solo, 2-player split screen, or online co-op for up to 4 players. No paid cosmetic DLC nonsense.
The country of Grand Chien is thrown into chaos when the elected president goes missing and the paramilitary force known as “the Legion” seizes control. Hire mercs, meet interesting characters, and fight in tactically deep turn-based combat in this true successor to a beloved franchise.
REMNANT II® pits survivors of humanity against new deadly creatures and god-like bosses across terrifying worlds. Play solo or co-op with two other friends to explore the depths of the unknown to stop an evil from destroying reality itself.
The chaotic multiplayer hide-and-seek game. Possess seemingly harmless objects as Ghosts or chase them down as Hunters before the clock strikes midnight!
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
Create your own furry character! In "StarArc Echo" you'll meets friends, fight alongside them, and share joyful moments! With a exciting PVE challenges, thrilling PVP battles, and various unique life skills, a boundlessly free and fantastical world awaits you.
Get ready for a Waterworld-themed survival game with modular base building, sunken city scavenging, crafting, base defense, and invasions of NPC clans for resources and territory. Ready for the water apocalypse?