Best Massively Multiplayer 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 massively multiplayer games.
Filters & Lists
Loading...
MapleStory
Join over 260 million players worldwide in MapleStory, the world’s biggest 2D MMORPG adventure! Play now for free.
Tribes: Ascend
This edition packages weapon DLC from ten previous expansions as well new featured content.
Dungeons & Dragons Online®
Enter a world of danger and adventure with Dungeons & Dragons Online® based on the beloved RPG that started it all.
Vindictus
Vindictus is an Action RPG that delivers the highest level of combat mechanics and high-quality visuals. Featuring a fully interactive environment, dungeon objects and monsters become part of your arsenal. Experience unique, creative action gameplay that sets a new standard for online RPGs.
The Lord of the Rings Online™
Join the world’s greatest fellowship of players in the award-winning online re-creation of J. R. R. Tolkien’s legendary Middle-earth.
Stronghold Kingdoms
A massively multiplayer grand strategy game, Stronghold Kingdoms is about forging alliances, political mind games, city-building and castle sieges with thousands of other players!
Realm of the Mad God Exalt
Embark on an exhilarating journey into the pixelated Realm of the Mad God! Join, an action-packed, free-to-play MMO bullet hell game. Discover a world with danger, challenges, and hidden treasures as you battle through waves of enemies. Team up with players and conquer dungeons to become a legend!
Star Trek Online
In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before.
EverQuest II
EverQuest® II is a deep fantasy MMORPG with over two decades of content, a thriving world, and ongoing expansions that keep Norrath growing. Create your hero and adventure through a massively rich, ever-evolving universe.
APB Reloaded
The world’s first and premier Action MMO Third Person Shooter allows you to choose between two sides of the law. Play as Enforcer or Criminal, customize your gear for the task at hand and hit the streets and play how you want in a city filled with more action this side of a Hollywood blockbuster.
DC Universe™ Online
DC Universe Online is a Free-to-Play, massive multiplayer online action game set in the popular DC Universe. Become one of a new breed of Heroes or Villains and wield incredible powers as you go to war with legendary characters such as Batman, Superman, Lex Luthor and The Joker.
Bloodline Champions
Bloodline Champions is a Free-to-Play online PvP Arena game where players engage in short, intense battles of up to ten players divided into two teams. Each player takes control over one of several bloodlines, each with their own unique weapons and abilities. Easy to learn, challenging to master.
Puzzle Pirates
Every activity in Puzzle Pirates is a uniquely fun puzzle: be it sailing, gunning, or hauling treasure, your own puzzling skill determines your success!
Spiral Knights
Join the ranks of the Spiral Knights. Stranded on an alien world, you must explore the ever-changing Clockworks beneath its surface.
Global Agenda: Free Agent
2155. From the ashes of the devastating Third Great War rose the Commonwealth, an oppressive world government determined to control the entire planet. The few remaining independent factions retaliate the only way they can, with elite teams of special operatives trained in advanced warfare tactics and equipped with high-tech weaponry.
Champions Online
Grab your cape and defend Millennium City in this comic book-style action MMORPG! Design your hero and costume from thousands of costume pieces, face super-villains like Dr. Destroyer, and create your own unique nemesis.
RIFT
Dive into a world of epic adventure! Create your perfect hero thanks to a uniquely customizable class system. Collect, craft, and customize your gear. Go it alone or group up to challenge dungeons, raids, dynamic open-world content, and your fellow players.
EVE Online
Over 20 years of legendary space battles! Explore a massive living universe of danger and opportunity in a challenging and highly rewarding space adventure. Fight, trade, build, and connect with a universe driven and shaped directly by players.
Call of Duty®: Black Ops
The biggest first-person action series of all time and the follow-up to critically acclaimed Call of Duty®: Modern Warfare 2 returns with Call of Duty®: Black Ops.
Day of Defeat: Source
Valve's WWII Multiplayer Classic - Now available for Mac.
Moonbase Alpha
NASA has once again landed on the lunar surface with the goal of colonization, research, and further exploration. Shortly after the return to the Moon, NASA has established a small outpost on the south pole of the moon called Moonbase Alpha.
Pirates Vikings & Knights II
Step into the ultimate three-way war for honor, glory, and gold! This beloved community-driven game brings together swashbuckling Pirates, battle-hardened Vikings, and chivalrous Knights in hilarious and intense class-based combat. Join the fun, embrace the chaos, and fight your way to victory!
TrackMania Nations Forever
A free game in the truest sense of the word, TrackMania Nations Forever lets you drive at mind-blowing speeds on fun and spectacular tracks in solo and multiplayer modes.TrackMania Nations Forever offers a new "Forever" version of the Stadium environment, a solid solo mode and 65 brand new, progressively challenging tracks.