Online Co-Op Massively Multiplayer games to play together

212 Online Co-Op Massively Multiplayer games your group can play together online, including Scapewatch: Idle MMO, Active Matter, and Jono.

All games: 24

Scapewatch: Idle MMO Turns Long Grinds Into Raids

Bring up to four friends into Scapewatch’s online raids: fight through co-op dungeons or build a shared army in the skilling-focused Gauntlet.

88% positive of 553 reviewsPlaying now: 1,683$14.99

Active Matter

Join dangerous raids for loot or intense PvP/PvE battles in this new realistic military shooter set in a fractured multiverse. Fight in quantum-unstable zones for control of active matter - the substance that bends time and space.

77% positive of 4,217 reviewsPlaying now: 5,778$23.99

Jono

Work together to complete one million levels, one player at a time. Continue where the previous left off. Chat with others while you wait for your turn. How long will it take?

90% positive of 120 reviewsPlaying now: 99Free

Aniimo

Aniimo is a free-to-play, next-gen creature-catching open-world RPG. Explore the vast continent of Idyll, Twine with unique Aniimo, unlock new abilities. Travel to a sky-floating metropolis, meet other Pathfinders, and battle in exciting competitions. Choose your Aniimo and begin your epic journey!

72% positive of 28,215 reviewsPlaying now: 49,292Free

Immortal Dao Idle

Work together in this new online multiplayer game to defeat the Herald of the End Times and prevent the destruction of our world! Cultivate, train and craft to become the Main Character of this new world! ZERO P2W or P2Progress. Cosmetics/Support packages only provide flair or GLOBAL bonuses.

79% positive of 129 reviewsPlaying now: 199$8.99

Anime Shop Simulator ✨

Manage your own anime shop 🎌. Play solo or team up with friends 🤝 in 4-player co-op mode to grow your business 📈 Stock shelves with manga, figures, and collectible cards in this immersive first-person game 🕹️.

74% positive of 995 reviewsPlaying now: 233$14.99

Where Winds Meet: Wuxia Co-op Beyond the Main Story

Team up with up to four friends for open-world exploration, bosses, and selected group challenges. The main story stays solo, so expect a shared adventure with clear boundaries rather than a fully co-op campaign.

85% positive of 116,968 reviewsPlaying now: 16,337Free

Escape Simulator 2

Sequel to the best-selling escape room game, brings a fresh take on first-person puzzles with a variety of new rooms to explore solo or with friends. Solve intricate puzzles, uncover hidden secrets, or craft your own escape rooms with Room Editor 2.0.

92% positive of 4,589 reviewsPlaying now: 917$19.99

Tap Tap Loot

The world is under attack, and every tap fights back. Each keystroke unleashes your cute cat hero, smashing enemies and showering you with loot. Dive into a never-ending desktop expedition with friends or solo. Tap. Tap. Loot.

75% positive of 865 reviewsPlaying now: 1,166$6.99

Eterspire

Eterspire is a cozy old-school MMORPG where skill and dedication define your progression. Grind for gear, explore the vibrant world of Aetera, discover new content every two weeks, and join a growing, welcoming community in a free-to-play MMO with PC and mobile crossplay.

75% positive of 1,504 reviewsPlaying now: 127Free

三国:谋定天下

多职业战争策略手游,你可以在每个赛季中体验镇军、青囊、奇佐、天工等六大职业,在沙盘中施展多样的职业天赋与职业技能去影响补给、战术、地形、局势,与盟友打出多种精彩配合与战役,或火烧连营八百里,或奇袭粮道以弱胜强等等,你可以通过谋略感受千变万化的三国沙盘战场,让策略游戏从此不再是枯燥的调兵遣将。 此外,《三国:谋定天下》在长线运营和公平的游戏生态基础上,做到不卖资源、不卖加速、不锁卡、没有VIP。这,将带给你前所未有的SLG沙盘乐趣和激动人心的游戏体验!

76% positive of 103 reviewsPlaying now: 114Free

Roadside Research

Roadside Research is a 1 to 4 player co-op gas station simulator. Except you’re aliens. And undercover. Do very human things like restocking shelves while preparing for the invasion. Just don’t get caught.

85% positive of 4,096 reviewsPlaying now: 87$14.99

MISERY

MISERY is a 1–10 player co-op survival game set in a nuclear disaster zone. Here, every day is a struggle: search radioactive ruins for resources, build your bunker, craft weapons, and explore a weird, procedurally-generated world with your friends. Beware of anomalies, monsters, and armed bandits.

85% positive of 20,623 reviewsPlaying now: 606$19.99

Deskworm

A tiny desktop worm pet that moves when you type, click, or play. Dress it up with hats and skins, park it in a pocket where its gaze follows your mouse, and let its Anti-Shrimp reminders nudge you to sit up and stretch.

92% positive of 154 reviewsPlaying now: 44Free

33 Immortals

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.

71% positive of 2,163 reviewsPlaying now: 40$14.89

Legend Battles

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!

85% positive of 494 reviewsPlaying now: 25Free

新盗墓笔记(官方正版)

Officially licensed by Nan Pai San Shu, this authentic tomb-raiding MMO brings the novel’s world to life. Venture into the Seven-Star Lu Palace, Nine-Headed Cypress, Bronze Gate and more—iconic locations recreated in stunning detail.

78% positive of 122 reviewsPlaying now: 5Free

Ukrainian Fight Drone Simulator (UFDS) - FPV drone simulator

Ukrainian Fight Drone Simulator – Starter Edition is a public version of a leading ultra-realistic FPV drone trainer built on lessons from the Ukrainian frontline. Fly combat drones in true-to-life conditions, take on challenges, and feel the adrenaline of modern warfare.

80% positive of 896 reviewsPlaying now: 81$29.99

Who's Next?

『Who's Next?』 is a free-for-all Tail Tag social deduction game set in the traditional Korean hell, featuring a massacre of ghosts and spirits, with individual survival competition rather than team battles,.

87% positive of 125 reviewsPlaying now: 9$4.99

Wild Assault

Wild Assault is an anthro-themed tactical shooter built with Unreal Engine 5, featuring large-scale battlefield gameplay centered around Valiant abilities. Work closely with your team, harness your instincts, and charge into battle to secure victory.

68% positive of 3,898 reviewsPlaying now: 17$5.99

SCUM

Welcome to SCUM, a ruthless open-world survival game where deep character customization defines the prisoner you become. Loot, craft, hunt, build, and fight to outlast a hostile island where every choice can change your fate. Stay alive. Stay dangerous. Become harder to kill.

74% positive of 99,077 reviewsPlaying now: 9,060$44.99

Dig, Dig, Die

Online co-op horror for 1–6 players. Board a cursed flying ship, raid haunted graveyards for loot, and survive monsters that hear every sound. Beware of UFO abductions, grab boosters from vending machines, gamble in the onboard casino, and embrace pure chaos with friends in voice chat.

64% positive of 328 reviewsPlaying now: 23$4.39

World of Warships: Legends

Join this free-to-play PvP online naval shooter with fast-paced combat, easy-to-learn gameplay, intuitive controls, and cross-platform play on Steam, console, and mobile. Choose from 600+ warships and 150+ Commanders, and master tactics on diverse maps. Play now and become a legend!

63% positive of 792 reviewsPlaying now: 262Free

Dune: Awakening

Dune: Awakening is a single- and multiplayer Open World Survival game with immersive adventure and RPG gameplay. Explore, build, craft, and unravel a cinematic Dune story as you rise from survival to greatness on the most legendary planet in the universe. Just remember: the sandworm always comes.

71% positive of 69,038 reviewsPlaying now: 12,322$49.99