Best Massively Multiplayer Games 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 massively multiplayer games.
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Copa Petrobras de Marcas
COPA PETROBRAS DE MARCAS is a 100% free official game simulating the thrill of competing wheel-to-wheel with models from various automakers in some of the main Brazilian race tracks.
Elite Dangerous
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
Freestyle 2: Street Basketball
Freestyle 2: Street Basketball is a fast paced online arcade basketball game. Create your own unique player and compete in the online street league! Use variety of b-ball moves and customize your player! Team up with the best street ballers online and rise to the top!
Bloodsports.TV
Co-Op Hero Defense set in a deadly post-apocalyptic Sweden. Team up with your friends and protect the Missile Silo against horrific beasts and outlaws.
Requiem: Desiderium Mortis
Requiem: Desiderium Mortis is a Free-to-Play MMORPG set in a dark distant world where an event known as the "Thanatos Incident" rendered the world almost unlivable. Create your own biological weapon known as a Temperion and experience the horrors that grip Ethergia.
Boring Man - Online Tactical Stickman Combat
Battle other 2D stickfigures online while jumping around like a lunatic and getting blown up into smithereens. With over 70 weapons, Boring Man is the most chaotic and hilarious 2D online shooter on the internet.
Transformice
Transformice is an MMO platformer about dozens of mice running to bring back the cheese! Will the almighty Shaman help you or just ruin everything? Millions of levels, hectic physics, skill trees, and more importantly... hats!
Gear Up
Feel the adrenaline as you control your unique tank in multiplayer arcade action! Build your ultimate war machine from over a million different combinations. Now, will you go for the rumbling caterpillar tracks or the crawling spider legs?
iRacing
We are the world’s premier motorsports racing game. An iRacing membership provides entry into the newest form of motorsport: internet racing. Internet racing is a fun, easy, and inexpensive way for race fan and gamers alike to enjoy the thrill of the racetrack from the comfort of their home.
Karos
Karos: Rebirth is a classic online MMORPG with dynamic combat, deep progression, and complete freedom of choice. Explore the vast world of Azmara, join PvP battles, castle sieges, and raids — create your unique hero and join thousands of players today!
Microsoft Flight Simulator X: Steam Edition
Take to the skies in the World’s favourite flight simulator! The multi award winning Microsoft Flight Simulator X lands on Steam for the first time. Take off from anywhere in the world, flying some of the world’s most iconic aircraft to any one of 24,000 destinations.
Town of Salem
Inspired by the party games Werewolf and Mafia, Town of Salem is a game of murder, mystery and deception.
Galcon 2: Galactic Conquest
Galcon 2 is a demolition derby in space! Send swarms of ships from planet to planet to conquer the galaxy in this fast paced multiplayer strategy game!
StarMade
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
Perpetuum
Perpetuum is a persistent, sandbox, single server, massively multiplayer sci-fi rpg (MMORPG). Control huge robots and mechs to gain access to an alien planet's resources and knowledge, amass huge wealth, or even claim part of the world for yourself using terraforming and complex infrastructure.
WAKFU
Immerse yourself in the WAKFU universe with this free to play MMORPG. Select your class, travel the world, meet adventurers to challenge powerful monsters in epic turn-based battles.Participate in the kingdom’s economy and politics and create your own legend!
My Lands: Black Gem Hunting
My Lands is a free online RTS where dark and light forces fight for Black Gem and dominion in a vast fantasy world. Cooperation between players, joint economy development, creation of clans and alliances and elaboration of a team strategy serve as the very foundation of the game.
Cubic Castles
Your blocks, your castle, your world! Build anything you can dream up and explore with other players! Cubic Castles is a mini-MMO that combines the best of block-building and 3D platform action! Create fantastic parkour challenges, explore worlds made by other players, or even make friend!
Guns and Robots
Guns and Robots is free to play online third person shooter. The game brings robot action with massive customization. Players get cartoony bright 3D graphics in attractive environments and challenge each other in open arenas.
Of Guards And Thieves
Of Guards and Thieves is a multiplayer stealth game in which high-powered guards face off against fast and elusive thieves in a contest of wits. Outsmarting the enemy and shooting your way through to the goal are equally valid strategies. Simple rules, emergent gameplay and high replayability.
Wild Warfare
Wild Warfare is a F2P, multiplayer FPS made for players that enjoy fun and/or being a bear. It's a mix of crazy game modes, balanced classes, simple controls and intense matches. Its got vehicle combat, because why not? You can even be a bunny that clubs people with a wrench, lucky you.
Fistful of Frags
Multiplayer based, first person enabled, action packed and skill demanding shooter set in the Wild West times. A unique combination of non stop action and slow but powerful weaponry.
GunZ 2: The Second Duel
GunZ 2: the Second Duel is a free-to-play 3D TPS and is the most fast-paced tough action shooter game.
ArcheBlade™
ArcheBlade is a free to play 3D multiplayer fighting game that captures the essence of combo-based fighting games combined with unique game modes. Play as one of many characters and master your skills to become the best fighter.
Freddi Fish and the Case of the Missing Kelp Seeds
Help underwater detective Freddi Fish and her finny friend Luther solve the case. Explore underwater caves, deep canyons and colorful reefs, and discover fascinating places like King Crab's Castle and A Sunken Ship Out of Time, in an effort to save the reef.
Villagers and Heroes
Enter a magical, 3D fantasy world filled with hundreds of unique locales, immersive lore, and exciting quests -- and it's all free to play. Join thousands of players from around the world, and be part of a one of a kind community.
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.
Dogs of War Online
Dogs Of War Online is a multiplayer tactical game, based on the classic board game "Confrontation". Build your own company of mercenaries from the wide range of units available and challenge thousands of players in intense battles.
Just Cause 2: Multiplayer Mod
JC2-MP is a project to bring multiplayer to Just Cause 2 in all of its magnificent glory. Imagine the chaos of normal Just Cause 2, then extending it out to dozens, hundreds, and even thousands of players.
Neverwinter
Neverwinter is a free, action MMORPG based on the acclaimed Dungeons & Dragons fantasy roleplaying game. Epic stories, action combat and classic roleplaying await those heroes courageous enough to enter the fantastic world of Neverwinter!
Panzar
PANZAR is a fantasy multiplayer third-person shooter. You get to choose from eight unique character classes, team-based PvP battles, exciting PvE adventures and regular tournaments with real prizes. Advanced RPG elements, the non-target combat system and the most modern graphics by CryEngine 3 will make your combat experience...
No More Room in Hell
The chances of you surviving this all out war of society and the undead are slim to none. Already, there are millions of the walking dead shambling about, searching for food to eat. There's no known cure. One bite can possibly end it all for you. However, you aren't alone in this nightmare.
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.
Dragon's Prophet
From the creators of Runes of Magic, Dragon's Prophet is a free to play fantasy MMO that transports you to the breathtaking world of Auratia, a realm where dragons fill the sky. For thousands of years, the epic wars between ancient dragons have threatened to plunge Auratia into chaos.
America's Army: Proving Grounds
America’s Army: Proving Grounds is the official game of the U.S. Army and part of the highly acclaimed America’s Army game series. This free military game focuses on small unit tactical maneuvers and puts you to the test in a wide variety of new America’s Army maps and AA fan favorites.