Online Co-Op Hidden Gems on Steam

Unlike generic lists, our 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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The Jackbox Party Pack 11 The pack is back! The Jackbox Party Pack 11 transports your game night with 5 new games! Destroy wholesome jokes in Doominate, record your voice in Hear Say, create kookiness in Cookie Haus, sleuth through social clues in Suspectives, and collaborate with your crew in Legends of Trivia!

Price -59% 12.35€
Rating 8.7
Release 22 Oct 2025
HYPERBEAT Embark as a knight alone or with friends in an order chasing their potential. Experience a rhythm game with an original soundtrack, in-depth character customization, and a story following an ensemble cast in a tranquil hub world. What will you find at the peak of what you're chasing?

Price 14.79€
Rating 9.1
Release 22 Oct 2025
Project Unknown An online co-op horror game featuring unique playable characters and RPG mechanics. Exorcise ghosts using your special abilities and tools while surviving the supernatural onslaught

Price 9.75€
Rating 8.1
Release 10 Oct 2025
Backseat Drivers A punishing 2-4 player driving test of your relationships. Gramma can't see and you can't drive. Together, you'll navigate the world's worst detour in an ancient car that handles even worse than it looks.

Price 9.75€
Rating 7.5
Release 09 Oct 2025
DAIMON BLADES From the creators of E.Y.E: Divine Cybermancy, a cult cyberpunk RPG. Daimon Blades is a brutal first person slasher that combines the depth of action RPGs and replayability of roguelites. Launch expeditions solo or up to 4 players, and survive the many horrors of the Daimon Realm.

Price 19.90€
Rating 6.8
Release 06 Oct 2025
WASD : The Adventure of Tori WASD : The Adventure of tori is an online co-op game for 2–4 players, where each player can only use their automatically assigned key (W, A, S, or D). Even a small mistake can make the team fail, so talk with your teammates and work together! You’ll learn the rest by crashing into it… a lot.

Price 3.99€
Rating 8.0
Release 02 Oct 2025
King of Meat Compete in a co-op party platformer, pitting up to 4 players against community-built dungeons filled with puzzles to solve, challenges to traverse, and ridiculous monsters to fight. Progress through chaotic dungeons to unlock new abilities and gear on your way to becoming the ultimate contender!

Price 23.67€
Rating 6.9
Release 02 Oct 2025
Granvir 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.

Price 14.79€
Rating 8.5
Release 23 Sep 2025
BREAK ARTS III With your uniquely crafted mech, dominate both the track and the battlefield. Fight your way through countless battles and aim for ever greater heights! This installment of BREAK ARTS is the ultimate Comprehensive Mech-Customizing Competitive Sport.

Price 17.49€
Rating 7.9
Release 19 Sep 2025
Moros Protocol Face the darkness in Moros Protocol, a pixel-painted sci-fi FPS roguelite. Survive the nightmare alone or with allies as you navigate the decaying warship, stalked by horrors and guided by a voice you don’t recognize. Adapt, upgrade, and push forward. You may be outnumbered, but not outmatched.

Price -74% 6.53€
Rating 7.6
Release 18 Sep 2025
Eterspire Eterspire is a true free-to-play, cross-platform MMORPG where your skill and dedication define your progression!  Play on PC and Mobile with crossplay, join a friendly and active community, discover new content updates every two weeks, and explore a massive world full of charming characters.

Price Free to play
Rating 7.4
Release 15 Sep 2025
Dungeons of Eternity Endless fantasy action and adventure await you and your friends in Dungeons of Eternity. Hack-n-slash takes on a new meaning in VR: swing swords, throw axes, use bows, wield magic staffs, and more to make it out alive. Become the most powerful adventurer in this blockbuster VR experience!

Price 28.99€
Rating 8.6
Release 11 Sep 2025
Professional Fishing 2 "Professional Fishing 2" is the second installment of an exciting fishing game that takes you into the world of thrilling angling adventures. Step into the shoes of a novice angler, embarking on a journey with simple yet reliable gear.

Price 24.99€
Rating 7.3
Release 11 Sep 2025
BACKROOMS: APPREHENSION A terrifying multiplayer horror experience with social deduction elements. Trapped in the Backrooms, up to 12 players must try to work together to survive and expose the shapeshifting Skin Stealer hiding among them before it’s too late. Who will you trust?

Price -60% 1.19€
Rating 7.8
Release 14 Aug 2025
NiuMa A party game that supports online multiplayer for up to 8 players, where you can also create mods together. It features asymmetric gameplay with cute animals and the beloved platforming fun.

Price -71% 1.73€
Rating 8.4
Release 13 Aug 2025
Iron Core: Mech Survivor 100 years after a nuclear apocalypse, an AI-managed shelter and its guardian mechs await human survivors. The shelter’s reactor creates safe zones to improve living conditions. Players control mechs to gather reactor fuel, fend off mutants, complete missions, and protect survivors.

Price -17% 5.73€
Rating 7.4
Release 08 Aug 2025
Bang Bang Barrage Survive the treacherous sea in this quirky multiplayer shooter game! Play solo or team up and fight off Cthulhu's minions. Master a unique recoil-based mechanic to blast enemies and chart your course. Mix and match upgrades to craft the perfect sea-surviving strategy!

Price -21% 6.23€
Rating 9.0
Release 07 Aug 2025
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.

Price Free to play
Rating 8.1
Release 31 Jul 2025
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.

Price -62% 14.82€
Rating 6.9
Release 31 Jul 2025
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.

Price 11.79€
Rating 9.2
Release 29 Jul 2025
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.

Price -94% 0.92€
Rating 7.7
Release 18 Jul 2025
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.

Price 6.89€
Rating 8.6
Release 14 Jul 2025
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.

Price 5.19€
Rating 7.7
Release 11 Jul 2025
Mobmania Mobmania is a four (4) player co-op real-time bullet-hell action rogue-like where you kill enemies, buy items after leveling up, and survive long enough against thousands of monsters and bosses until the final fight against the Witch.

Price 3.99€
Rating 8.2
Release 11 Jul 2025
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.

Price 11.79€
Rating 8.6
Release 22 Jun 2025
School 666 School 666 is a 1-4 Player Co-op Survival Horror. You must escape this endless nightmare. Try to identify the correct path and survive the anomalies in this endless school. Some extremely powerful anomalies will catch you to their dimensions. Explore the reason why you are here... and don't die.

Price 9.75€
Rating 7.9
Release 11 Jun 2025
Parallel Experiment Two detectives, one deadly experiment, a race against time. Each player only has one half of the puzzle. In this 2-player co-op puzzle game you can survive the parallel experiment only by working together.

Price 9.75€
Rating 8.0
Release 05 Jun 2025
Paranormal Cleanup Clock in for the worst cleaning shift of your life: Unclog nasty toilets and scrub ectoplasm in this 1-4 player online co-op survival horror game. Get the job done and don't get caught by the entities hunting you!

Price 9.75€
Rating 7.5
Release 30 May 2025
Guilty as Sock! Enter a chaotic courtroom where socks play lawyers, prosecutors, and judges! Use absurd evidence, craft wild arguments, and deliver verdicts in this hilarious online party game. Improvise, strategize, and shout "Objection!"—because in Guilty as Sock!, chaos always wins!

Price 5.50€
Rating 8.7
Release 29 May 2025
Forsaken Frontiers Step into the frozen unknown in Forsaken Frontiers, a cooperative analog horror adventure set in the unforgiving embrace of an everlasting winter.

Price 14.79€
Rating 7.7
Release 25 May 2025
Mutants: Genesis Mutants: Genesis is an online card game that you can play solo or with up to 3 players in PvE and PvP modes! Join the next generation of Psycogs and climb the ranks to establish yourself as Champion! Collect hundreds of mutants, fashion your own deck, cooperate with or fight other players!

Price Free to play
Rating 7.2
Release 20 May 2025
Broventure: The Wild Co-op Broventure = Vampire Survivors + Base building + Co-op. Band together with friends and obliterate hordes of grueling enemies, gather crucial resources, and transform your camp into a sanctuary of liberation.

Price 4.99€
Rating 7.3
Release 15 May 2025
Capcom Fighting Collection 2 Capcom's new fighting collection hits the stage! Choose from fan-favorite games like Capcom vs. SNK 2: Mark of the Millennium 2001 and Project Justice to 3D action games like Power Stone and Power Stone 2 in this collection of eight classic fighting games!

Price -50% 20.07€
Rating 7.9
Release 15 May 2025
Omega Crafter 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!

Price 24.50€
Rating 7.6
Release 14 May 2025
Tank Squad Tank Squad is a tactical-combat action game. Take part in big tank battles during World War II. Play single-player or coop (4 players). Repair your tanks, replenish supplies, manage the crew and get back to the action!

Price 18.99€
Rating 6.9
Release 08 May 2025
Survival Machine Build your base on a moving Machine, travel through biomes with different resources, and prepare for the night when a zombie threat is much higher than during the day. Would you go solo or explore this new world with your best friends?

Price -59% 7.01€
Rating 7.2
Release 07 May 2025

Most played online co-op games


52,787 players

179,154
6,488
Rating 9.5

48,279 players

630,223
166,993
Rating 7.9

43,379 players

35,638
5,110
Rating 8.6

42,554 players

330,349
99,903
Rating 7.6

26,931 players

775,883
241,752
Rating 7.6

17,286 players

736,611
32,168
Rating 9.5

16,656 players

471,451
28,377
Rating 9.4

16,092 players

27,398
1,013
Rating 9.4

13,167 players

6,223
774
Rating 8.6

12,500 players

67,486
10,594
Rating 8.5