1,795 Action · Online co-op games your group can play together online, including SHRIMP GAME: OVERKRILL, Schedule I, and MAZEBOUND: Hunt, Gather, Run!.
All games: 24
SHRIMP GAME: OVERKRILL is a solo or multiplayer third-person shooter RPG set in an abyssal realm. Pilot your SHRIMP platform to fight giant sea monsters, master elemental classes, and unearth secrets in a 6-person co-op campaign, or just krill your friends in multiplayer PVP!
From small-time dope pusher to kingpin - manufacture and distribute a range of drugs throughout the grungy city of Hyland Point. Expand your empire with properties, businesses, employees and more.
In this survival horror, you're surrounded by sea and a towering gate ahead. Walk into the maze, hunt, gather, and run to survive, alone or with friends. Remember: You're not the only one starving...
Cargo Hunters is an extraction shooter where you control a humanoid robot scavenging the remains of humanity on an abandoned, dystopian Earth. Play solo or in 4 players co-op.
An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.
Discover the decadence and danger of 1980's Japan as you fight like hell through its neon-lit entertainment districts in the definitive edition of the action-adventure crime drama that created yakuza legends.
Sudden Strike 5 delivers real-time tactics in epic WWII battles. A host of tactical options and more than 300 playable units open-up multiple approaches to reach your objectives in a 25 mission campaign on historical battlefields in Europe and North Africa.
A cosmic battle awaits! Choose between 15 Marvel Super Heroes in this frenetic action beat ‘em up to fight against the deadly Annihilation Wave threatening the galaxy. From New York City to the depths of the Negative Zone, the future of the Marvel Universe will be fought for across the stars!
The official hololive rhythm game and RPG -- hololive Dreams -- is now on Steam! Enjoy rhythmical gameplay, park development, and mini-games. Featuring 50+ members and 150+ songs, it's perfect for fans and newcomers alike. Play your way!
Join Scott Pilgrim and Ramona Flowers in a brand-new brawling adventure across space, time, and the streets of Toronto!
An online co-op game for 1-6 players where you fish with your friends to feed The One Fish! Catch fish of all shapes, sizes, and whimsical effects to keep up with its ever-growing appetite.
Gloria Victis is an MMORPG with an emphasis on realism, set in a low-fantasy medieval open world. Enjoy MMO with skill-based non-target combat, open PVP with territory control, deep crafting system and player-driven economy – all that served with beautiful graphics and an immersive atmosphere.
33 Immortals is a co-op action-roguelike for 33 players. Jump straight into runs, solo or with friends. Battle hordes of monsters, defeat massive bosses, and grow stronger each run. Use in-game emotes to coordinate and combine powers with your fellow rebels, and face the Wrath of God, together.
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.
KILL IT WITH FIRE! 2 is the ultimate co-op spider-hunting experience! Either solo or as a team of Exterminators, unleash an arsenal of crazy weapons, wreak havoc, and complete dozens of challenges across seven dimensions under spider siege.
Welcome to Hunter Haven! Bounty Brawl is a fast-paced Action Roguelite for 1-4 players. Master your unique Lasso to zip through combat and hunt down criminals with friends. But remember: once the boss falls, the alliance ends. Who will claim the ultimate bounty?
Shoot, hack and grind your way through waves of sentient office appliances in Megabonk-like roguelite action. Level up, unlock upgrades and play in singleplayer or up to 4-player coop while 360 no-scoping on an office chair!
Shrunk again, but the world is much larger. In this open-world, single-player or co-op survival adventure, craft weapons and armor, build your base, and traverse the playground on your buggy. But something else is out there—and it hasn’t forgotten you.
Granvir is a 3rd person action roguelite mech-builder with co-op multiplayer. Scavenge the battlefield for parts to replace and upgrade your Granvir and weaponry. PIlot your Granvir and manage your campaign between battles to find the best equipment and stay supplied while fighting a guerilla war.
"The 2026 Tribal Adventure MMORPG is Now Available! Answer the Call of the Wild. Start Your Hunt Now!"
Ghost Janitors is a multiplayer psychological horror game for 1-4 players. Your job? Cleaning haunted houses while avoiding terrifying monsters. Ready to face the spine-tingling challenge with your team?
Chew on weapons, chomp on poop, and devour your friends' graves in this chaotic co-op action roguelike! Eat shiny items to ascend your traits and stack team synergies as your squad snowballs into an unstoppable force. Play solo or team up with up to 5 players!
Drop into 600 km² of high-velocity tactical extraction warfare (UE 5.6)! Pilot 400 km/h vehicles, control massive weapon arsenals, master 4 specialist classes, earn ARPG medals, battle 5 advanced AI factions, and trade extracted loot on Steam for real value!
Work together to survive the night shift in this challenging co-op PvE horror game. Serve your villagers as disgraced knights by evading danger to fulfill their commands in this cursed kingdom. Reclaim your lost honor to earn your place on the watch. How long can you survive?