Best Online Co-Op Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated online co-op games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Online Co-Op games on Steam.
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Demon Slayer -Kimetsu no Yaiba- The Hinokami Chronicles 2
Destroy demons with the power of forged bonds! Tanjiro Kamado's battle will once again unfold…
Titan Quest II
Nemesis, Goddess of Retribution, is out of control. She is corrupting the Threads of Fate and punishing all those who oppose her. Take up your weapon, fight alongside gods, and change fate itself in Titan Quest II, an action RPG inspired by Greek mythology.
Gatekeeper
Gatekeeper is a fast-paced rogue-like. Go on a quest to chase down Chaos and reclaim the stolen Heart of Time, fighting your way through relentless enemy forces. Play solo or in 4-player co-op and become the next Gatekeeper!
Whimsical Artefacts
A co-op friendslop game with a heavy focus on customization via drawing. Scavenge liminal bunkers and obtain artefacts that may or may not aid you and your friends.
Frosthaven
From the creative mind of Isaac Childres, the highly acclaimed board game moves to the digital realm in the video game adaptation of FROSTHAVEN! The dark fantasy tactical RPG features deep mechanics and challenging yet satisfying gameplay both in Single Player and Co-Op Online Multiplayer.
Mecharashi
Mecharashi is a mecha-themed tactical turn-based game. The game adopts a unique part-destruction combat system, where you can assemble mechas however you want, equip a wide selection of weapons, and choose your favorite pilots to engage in battle.
Grounded 2
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.
A World of Keflings
Keflings may be small, but their kingdom-building adventures are gigantic! Build a world with your friends in A World of Keflings! Harvest resources, construct robots, befriend a dragon, and help a creepy witch get even creepier in this update of the classic 2010 city-building adventure.
Paddle Paddle Paddle
Paddle through pain. Solo or co-op. One paddle each. Lava everywhere. You’ll fall. You’ll scream. You might cry. Good luck and embrace the salt.
Bogos Binted?
Welcome to a sinful night with the galaxy’s wackiest aliens. Play twisted tabletop games with up to 4 players, devise brilliant strategies, bluff your way to victory, and try not to lose your head - literally.
Ghost Watchers
Ghost Watchers is a co-op online horror game. You will explore and hunt ghosts in abandoned houses
Wildgate
Wildgate is a crew-based PVP multiplayer shooter that blends tactical ship-to-ship combat with fast-paced first-person action. Evade deadly environmental hazards, search for powerful weapons and ship upgrades, and be the first crew to escape with the Artifact... or the last crew left flying.
Abiotic Factor
Abiotic Factor is a survival crafting experience for 1-6 players set in the depths of an underground research facility. Caught between paranormal containment failure, a military crusade, and chaos from a dozen realms, the world’s greatest minds must survive against the universe’s biggest threats.
WolfQuest: Anniversary Edition
Live the life of a wild wolf in a realistic ecological simulation set in Yellowstone National Park.
Phantom Squad
Phantom Squad is an intense 1-4 player tactical top-down shooter that blends fast-paced combat with real-time strategy.
Neon Abyss 2
Dive into the cybermyth roguelike chaos of Neon Abyss 2! Now featuring up to 4-player online co-op, more combat styles, and unlimited item synergies, every run delivers a dramatic, action-packed experience you won't forget.
BLACK STIGMA
BLACK STIGMA is a hero shooter game with a diverse cast of characters. You can choose and customize a handgun of your preference and upgrade your character's abilities in different ways. Play as your ideal killer character, from long-range precision shots to close-range brawls.
C.A.S.T. (CHERNOZEM ANOMALY STRIKE TEAM)
C.A.S.T is a third-person PvE extraction shooter playable solo or in co-op. Select your character and loadout to battle enemy hordes, evade anomalies, and complete objectives across handcrafted maps with dynamic procedural elements.
Climb The Backrooms
Ascend through the twisted levels of the Backrooms using physics-based object manipulation to overcome obstacles, solve mind-bending puzzles, and uncover unsettling secrets. Play solo or team up in online co-op with up to 4 players as you climb higher, think smarter, and survive the unknown.
Shatterline
Get ready for the apocalypse! Shatterline is a high-octane single-player FPS adventure where Earth’s survival hangs in the balance. Pick a unique operator and combat the alien plague!