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.
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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.
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 PvPvE 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.
WolfQuest: Anniversary Edition
Live the life of a wild wolf in a realistic ecological simulation set in Yellowstone National Park.
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.
Phantom Squad
Phantom Squad is a 1–4 player co-op tactical top-down shooter blending fast-paced combat with real-time strategy. Play solo or team up through online co-op and matchmaking, coordinating movement, positioning, and split-second decisions to survive intense, high-risk missions.
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 unique action shooter where ruthless Masters from rival organizations fight to dominate the city’s underworld. Experience stylish action and the thrill of precision gunfights!
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.
The AC130 slays the zombies.
In the doomsday world of zombies, a tactical team searching for survivors is surrounded by countless zombies and is in a very critical situation. The command center urgently dispatches an AC130 to provide fire cover and assist in the evacuation.
Bakery Cafe Simulator
Bake, build, and grow your dream bakery cafe! Create delicious pastries, design your space, and serve customers. Play solo or with friends in online co-op to expand your business and experience the excitement of running a bustling cafe!
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!
Tobacco Shop Simulator
Run your tobacco shop. Sign contracts with leading brands, order products, hire workers, expand your store, and never let your customers leave the store empty-handed. Play with friends or go solo, and enjoy the growth of your shop.
Crime Simulator
You’re out of jail, but the debt isn’t gone. Sneak, steal, and break into houses solo or in 4-player co-op. Use lockpicks, sleeping gas, and brute force to complete jobs, outsmart security, and make enough money before time runs out. Will you pay back what you owe, or lose everything?
PEAK
PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?
GONE Fishing
GONE Fishing is a 1-8 player survival horror game where you and your friends must work together to stay alive, by fishing. The only way to survive is to keep feeding the lake’s insatiable hunger before it feeds on you. Can you satisfy the hunger... or will you become the next offering?