Massively Multiplayer · Online co-op games to play together

433 Massively Multiplayer · Online co-op games your group can play together online, including Scapewatch: Idle MMO, CPM 2, and OpenFront.

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%88% positive of 553 reviews1.7KPlaying now: 1,683$14.99

CPM 2

Open-world racing sandbox with cross-platform multiplayer. Complete parking challenges, drift, and participate in races: drag, rally, circuit, and Drift. Tune cars and organize car meets with friends.

81%81% positive of 4,238 reviews3.5KPlaying now: 3,514Free

OpenFront

A massively multiplayer real-time strategy game pitting hundreds of players against one another. Over one million nuke each other every month.

86%86% positive of 1,173 reviews638Playing now: 638$6.99

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%77% positive of 4,217 reviews5.8KPlaying 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?

91%91% positive of 114 reviews99Playing 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%72% positive of 28,215 reviews64.8KPlaying now: 64,757Free

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%79% positive of 129 reviews199Playing now: 199$8.99

Farm RPG

Farm RPG is a menu based farming RPG/MMO. Build your farm, grow crops, fish, craft, and explore. Unlock a variety of exciting daily activities as you progress. Engage with helpful townsfolk and collaborate with fellow players in a vibrant community for trading and teamwork.

87%87% positive of 497 reviews116Playing now: 116Free

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%74% positive of 995 reviews233Playing now: 233$14.99

FrontWars

FrontWars is a free-to-play multiplayer strategy game where hundreds of players battle for global domination! Build alliances, command armies, grow your economy, and unleash nuclear strikes to wipe your rivals off the map. No pay-to-win: only the strongest will rule the world.

76%76% positive of 138 reviews176Playing now: 176Free

Adventure Land - The Code MMORPG

An eternal indie MMORPG where your CODE does the grinding. Play manually or automate up to 4 characters with JavaScript. Hunt rare loot, tackle a daily dungeon, and trade with real players. Start with working CODE and learn as you go. Your party keeps growing—no seasonal wipes.

81%81% positive of 170 reviews62Playing now: 62$8.99

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%85% positive of 116,968 reviews16.3KPlaying now: 16,337Free

ZeroSpace

ZeroSpace is a sci-fi real-time strategy game with an RPG campaign. Play the story as Commander Aster, securing humanity’s place in the galaxy, or team up with a friend in the co-op Galactic War and take on an endless variety of missions against the AI.

78%78% positive of 1,324 reviews87Playing now: 87$33.99

MAVRIX by Matt Jones

The ultimate multiplayer open world designed by Pro riders. Discover mountains and trails with limitless control and build your own career. Pull huge tricks or race through the global rankings! Nail challenges to secure sponsorship deals with real world brands. Are you ready?!

79%79% positive of 1,009 reviews37Playing now: 37$39.99

Glory To The Heroes™

Glory to the Heroes set in the Russian-Ukrainian war is an immersive PvPvE mil-sim providing perspective on the modern warfare with combined-arms combat and extensive elements of survival and immersion, where the action is happening in the accurately recreated real-world locations of actual battles

76%76% positive of 206 reviews23Playing now: 23$29.99

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%92% positive of 4,589 reviews917Playing now: 917$19.99

一把菜刀打天下

「裝備全靠爆，出門一把刀！」這是一款超爆笑的無厘頭放置冒險RPG。顛覆沉悶的傳統刷寶，用最沙雕的畫風和滿滿的惡趣味帶你輕鬆闖蕩江湖。重塑經典三大職業，離線掛機也能狂爆神裝！快來挑戰奇葩BOSS，與好友集結公會熱血開戰，拿好你的菜刀，砍翻全場！

75%75% positive of 268 reviews47Playing now: 47Free

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%75% positive of 865 reviews1.2KPlaying 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%75% positive of 1,504 reviews127Playing now: 127Free

Guild Wars® Reforged

Step into Guild Wars Reforged, the award-winning online roleplaying game enjoyed by millions, now re-energized with system enhancements and Steam Deck verified. Experience the complete saga— from the fall of Ascalon to the desperate stand against Nightfall. Your adventure is just getting started!

87%87% positive of 3,309 reviews550Playing now: 550$19.99

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%76% positive of 103 reviews114Playing 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%85% positive of 4,096 reviews87Playing now: 87$14.99

Angels Online Global

Angels Online Global is a charming 2D fantasy MMORPG featuring flexible builds, faction warfare, and deep customization. Enjoy 4× leveling, expanded inventory, real-time chat translation, and dungeon-earned outfits with fusion upgrades!

70%70% positive of 693 reviews450Playing now: 450Free

Over The Top: WWI

Join massive multiplayer battles in Over The Top: WWI - an intense shooter set in the gritty backdrop of World War I. Pick your class, choose from a vast arsenal, including rifles, artillery, airplanes, and powerful tanks, and experience the chaos of fully destructible battlefields.

84%84% positive of 6,814 reviews34Playing now: 34$19.14

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