1,686 Co-op Action games your group can play together online, including Shape Shifter: Formations, SWAT Commander, and MARVEL vs. CAPCOM Fighting Collection: Arcade Classics.
All games: 24
Shape Shifter: Formations is an action twin-stick shooter with rogue-lite elements, where you must destroy hordes of geometric enemies alone or with a friend. Select your ship and combine a large variety of weapons, abilities and infinitely stacking upgrades to craft your own unique build.
Take charge of a SWAT unit as an elite operator. Command a specialized AI squad or team up in co-op to seize suspects, rescue civilians, and restore order. Study the briefing, kit out your team, and execute your plan with disciplined precision.
The legendary crossover hits are back! The action-packed lineup consisting of seven unique titles, is full of heavy hitters like X-MEN VS. STREET FIGHTER, and MARVEL vs. CAPCOM 2 New Age of Heroes. The collection also includes the rare beat 'em up game, THE PUNISHER.
The Diner Bros are back! With the same hectic cooking and serving, and now customization of your bustling restaurant! Serve quirky customers, earn cash to buy equipment, and discover new recipes in Diner Bros 2. Team up for 4 player local co-operative fun. No friends? Hire servers!
An Open World Survival Shooter blending hardcore PVP and PVE action. Secure precious loot in safe zones or build your own fortress in the wild. With intense gunfights, stunning visuals, and performance smooth enough for any system, the challenge awaits!
PICO PARK is back with all new levels! Play with 2-8 players locally or online in this co-op action-puzzle game!
Play as different fish, devour opponents in the ruthless underwater world of survival of the fittest, and evolve your abilities.
Strinova is an anime-style third-person tactical competitive shooter. Switch freely between three-dimensional and two-dimensional forms in this one-of-a-kind game that offers a unique tactical shooting system for an unparalleled experience.
Fallen heroes of old folk tales and legends: you are on the verge of a crucial battle against the Nightmare invading and corrupting your world. A roguelike action game from the creators of Curse of the Dead Gods©, playable solo or in online co-op.
Trade, quest, fight, or simply set sail and enjoy the ambiance in this charming open world naval RPG. Sequel to Tasharen's fan favorite game Windward released on Steam in 2015.
The LEGO® Harry Potter™: Collection brings LEGO® Harry Potter™: Years 1-4 and LEGO® Harry Potter™: Years 5-7 together in one game, now remastered with enhanced graphics.
TMNT Splintered Fate - Unleash the Turtles in a roguelike quest to rescue Splinter from the Foot Clan! Master ninja skills, unite in bodacious co-op gameplay, and conquer iconic NYC locales.
Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.
Starship Troopers: Extermination is an up to 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!
Once Human is a Strange Worlds Survival Game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world.
Rivals of Aether II is the sequel to the hit indie fighting game, Rivals of Aether. Play as both new and returning elemental fighters in the next generation of platform fighters.
A heart-pounding and hilarious horror party game set in a pitch-black mansion. Armed with a flashlight, a revolver, and proximity chat, you and up to five friends sneak, shout, and stumble your way through tense shootouts, chaotic traps, and total darkness.
Adventure in a vast open-world survival craft game with your programmable sidekick Grammi! Program the Grammi to collect materials, build your town, craft weapons and armor to challenge strong enemies! Play alone or with friends online!
Red Barrels invites you to experience mind-numbing terror, this time with friends. Whether you go through the trials alone or in teams, if you survive long enough and complete the therapy, Murkoff will happily let you leave… but will you be the same?
Arizona Sunshine® Remake elevates the original, award-winning game, completely rebuilt with GORE-geous VR graphics and next-gen VR combat and weapons. Face the undead alone or with up to three fellow survivors in a post-apocalyptic southwestern America overrun by zombies.
RABBIT & STEEL is a co-op action roguelike that recreates the essence of high-level MMO raiding in a randomized, simplified, bunny-sized package. Choose your class, gather your rabbit-eared companions and battle your way to the Moonlit Pinnacle!
Echo Point Nova is an open-world FPS that offers unparalleled freedom and thrilling speed. Designed for both singleplayer and coop. From the creators of Severed Steel.
The Last Plague: Blight is an authentic survival experience rooted in realism and immersion. Endure the hazards of a brutal open world, uncover the origins of a mysterious disease, and become humanity’s final hope of ending the Blight.
Wild Woods is a couch co-op game full of action, teamwork and woodland critters. One to four players take on the role of brave little cats defending their wooden wagon on its way through a dangerous forest. Clever cooperation is key - their way is full of obstacles!