Massively Multiplayer Games
Discover 3931 massively multiplayer games on Steam. Find the best games in this genre.
Massively Multiplayer Games
Explore 3931 massively multiplayer games
0ZI Survival
You are stranded in the vast expanse of the island. Alone, without any means to call for help, you must do what you can to survive. Explore The land as you hunt for supplies to craft the tools, weapons, and base you’ll need to stay alive. Stay Alive!
0For The Stars
For the Stars invites you to explore and settle a vast universe of diverse planets, each with its own unique wonders and mysteries to uncover. Conquer the challenges of hostile biomes, forge alliances, and build a legacy that spans the galaxy.
0Turf Battles
Become a legend as you amass PK Points, conquer & defend islands/turfs from enemy players for valuable rewards, and progress through the game in all of its PvE and PvP glory.
0BUGWORLD:ONLINE
BUGWORLD:ONLINE is a social MMO with an advanced Lobby featureset and competitive Skattle Royale. Make your Mitch or Create Your Mane and interact with other Buglings. Skittle skattle!
0Rock'n'Roll: Card Wargame
US Marines and Vietnam warriors, welcome to a new card wargame that will send you on a crazy alternative-historical trip through the chemical-drenched jungles of the Vietnam war. Become a commander of Vietnamese guerrillas or American armed forces and show what you're made of!
0墨武群侠(Tale of MoWu)
"Tale of MoWu" is an MMORPG. The game provides players with a lot of different quality equipment, which can be obtained by challenging various BOSSs. the pursuit of obtaining high-level (or superb) equipment has become one of the main goals of players in the game.
0SCP : Forgotten Facility
SCP : Forgotten Facility is a 20th century WW2-Era based horror game revolving around the SCP universe. Play multiplayer with others in a pvp team based game in a fight to flee the facility. Explore over 15 SCP-Objects and 7 playable SCP's.
0The Depths: Prehistoric Survival
The Depths is a Semi-realistic Prehistoric Survival MMO game, where the player can become a prehistoric creature of their choice from different environments such as swamps, oceans or plains. The Depths will heavily focus on aquatic creatures and their interactions with other creatures in their environment.
0黃易群俠傳M
【十年一劍，經典進化】 武俠不滅，經典黃易群俠傳ONLINE重生！ 優化畫面場景、自由創角捏臉新體驗，讓經典全面進化。
0狼牙传（Legendary Assassin）
"Legendary Assassin" is a massively multiplayer online role-playing game (MMORPG). The game is based on the oriental fantasy fairy cultivating story, providing players with a virtual reality game environment. The game is free, just take some time to dominate the entire world of cultivation.
0Club Werewolf
In this tudor town, a villager goes missing every night. Can you uncover the werewolves before you’re next? An online game for 4-16 players.
0Agony Online
Agony Online is a Free2P Medieval Horror MMORPG with a simple mid-2000s style of gameplay that does NOT require a wiki page to play effectively. We miss the great old style of MMOs. We are indie developers that want to play our own game and be involved on the player-level to make AO everyone's game.
0Galaxy Guardian Royale
Hi folks, its me Bl0ckDave, for those who don't know me, I'm solo game developer and this is my very first game! This game takes place in space, its classical Battle Royale mode. 50 players joining battle around solar system. Last player wins.
0Taurion
Taurion is a Hybrid of MMO / RTS / 4X. Prospect, Mine, Refine, Build, Fight, Craft, Trade and play to earn. Running Fully Decentralized on the Xaya Gaming Platform.
0Sovereign
Sovereign is a multiplayer fantasy extraction looter RPG, with an immersive directional combat system. Fight your way through PvPvE encounters and climb your way to become the Sovereign of this lore-filled world.
0Leonardo's Island
Build a ship. Load the cannons. Let the chaos begin! Jump into online PvP regattas and naval battles, unlock powerful upgrades, and rule the seas. A well-built ship is the key to victory!
0VRKraft
Explore the Three-Worlds and stop the ascend of the ancient dragon Tetrac in this action packed online VRRPG. Level up your character, meet new friends or challange other players.
0CraftOut
CraftOut - a game that tells the story of the disaster of the future. You will be able to collect from dozens of details of an armored car of unique design, and go out into the open world, full of dangers and various riches. The game is in open testing.
0Horroyale
Multiplayer Horror game. Only one player can remain alive. The playing field is silent and in total darkness. The only thing that occasionally illuminates the field is the moonlight. To make the hunt more enjoyable, we’ve made the terrain lifelike and realistic.
0Retribution: Universal Requiem
A Free-to-Play game based around space, PvP, PvE, Battle Royale, with vast customisation and flexibility. We plan to add extra features such as racing game modes as the game evolves...