Massively Multiplayer Games
Discover 3280 massively multiplayer-tagged games on Steam. Find the best games with this tag.
Games with Massively Multiplayer
Explore 3,280 games tagged with massively multiplayer

Bongo Cat
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

Delta Force
Play for free in operator-based extraction and full-scale combined arms warfare. Become elite Operators, customize an ever-expanding arsenal of weapons, and deploy into thrill-packed missions across multiple modes.

Warframe
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game

War Thunder
War Thunder is the most comprehensive free-to-play, cross-platform, MMO military game dedicated to aviation, armoured vehicles, and naval craft, from the early 20th century to the most advanced modern combat units. Join now and take part in major battles on land, in the air, and at sea.

VRChat
Join our growing community as you explore, play, and help craft the future of social VR. Create worlds and custom avatars. Welcome to VRChat.

DayZ
How long can you survive a post-apocalyptic world? A land overrun with an infected "zombie" population, where you compete with other survivors for limited resources. Will you team up with strangers and stay strong together? Or play as a lone wolf to avoid betrayal? This is DayZ – this is your story.

ARK: Survival Ascended
ARK is reimagined from the ground-up into the next-generation of video game technology with Unreal Engine 5! Form a tribe, tame & breed hundreds of unique dinosaurs and primeval creatures, explore, craft, build, and fight your way to the top of the food-chain. Your new world awaits!

World of Warships
Immerse yourself in thrilling naval battles and assemble an armada of over 800 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!

Path of Exile
You are an Exile, struggling to survive on the dark continent of Wraeclast, as you fight to earn power that will allow you to exact your revenge against those who wronged you. Path of Exile is an online Action RPG set in a dark fantasy world. The game is completely free and will never be pay-to-win.

ARK: Survival Evolved
Stranded on the shores of a mysterious island, you must learn to survive. Use your cunning to kill or tame the primeval creatures roaming the land, and encounter other players to survive, dominate... and escape!

Gray Zone Warfare
Enter a high-stakes PvE-first open-world tactical shooter set on a quarantined Southeast Asian island torn apart by faction warfare. Deploy as an elite operator, fight solo or with your squad to carry out missions, earn reputation, and explore the truth behind the Event igniting the conflict.

Russian Fishing 4
Russian Fishing 4 is a fishing simulator with RPG elements. There is no story line and the whole process is based on the concept of an open, free to roam and free to play game.

Escape from Tarkov
Escape from Tarkov is the original extraction FPS where every raid is a gamble with death. Prep your raid, bleed, endure and fight through ruthless PMC players and Scavs, gain tactical advantage and cling to your loot — only extraction decides if you live or lose it all.

Squad
Squad is a tactical FPS that provides authentic combat experiences through teamwork, communication, and realistic combat. It bridges the gap between arcade shooter and military realism with 100-player battles, combined-arms warfare, and base building.

Once Human
Once Human is a multiplayer open-world survival game set in a strange, post-apocalyptic future. Unite with friends to fight monstrous enemies, uncover secret plots, compete for resources, and build your own territory. Once, you were merely human. Now, you have the power to remake the world.

STALCRAFT: X
STALCRAFT: X is the largest open-world online game in the Chernobyl Exclusion Zone. Explore the world full of mutants and anomalies alone or with friends — unforgettable emotions guaranteed.

FINAL FANTASY XIV Online
Join over 30 million adventurers worldwide and take part in an epic and ever-changing FINAL FANTASY. Experience an unforgettable story, exhilarating battles, and a myriad of captivating environments to explore.

IdleOn
The management RPG where your heroes keep fighting even when you're gone! Spend their loot on upgrades, unlock classes from Elemental Wizard to Cannon Pirate, and level up 19 unique skills like Farming, Sailing, and even Construction!

MIR4
MIR4 is a free-to-play open world K-fantasy MMORPG that can be cross-played on both PC and mobile devices. MIR4 is full of action and features numerous large scale clan PVP battles. Join now and become a legend.

SCUM
Traverse punishing environments, looting, crafting and evading the constant threats to your life. The unprecedented levels of character customization and progression are your ultimate tools for survival.