Massively Multiplayer Games
Discover 3928 massively multiplayer games on Steam. Find the best games in this genre.
Massively Multiplayer Games
Explore 3928 massively multiplayer games
0Ultra Kingdoms
Ultra Kingdoms is a popular online multiverse metaverse, combining MMORPG and P2E capability where players can build and manage their own kingdoms, explore vast lands, and interact with other players in real-time. It's known for its stunning graphics and engaging gameplay.
0Idlescape
Idlescape is an MMORPG combining idle mechanics with RPG elements. Progress continues offline, allowing mastery of skills like Mining, Fishing, and Combat. Engage in crafting, gathering, and strategic battles. Perfect for casual and hardcore gamers alike.
0Project Polygon
Run, shoot, and rise in a chaotic platform shooter with no eliminations. Outplay your rivals and climb the ranks — every round counts.
0Graalonline Worlds
Get your games tested by players from around the globe, or test it from anywhere yourself using the new cross-platform application.
0Cell Hacker
A cellular automaton-like MMO game based on text terminals. Players will write unique cell reproduction logic and place cells in the vast cell world to grow, reproduce, compete, cooperate with other players' cells, and write their own species history.
0Anti-Extinction
Anti-Extinction is a next-gen sci-fi RPG with True Non-Repeatable Gameplay™, where no playthrough is ever the same. Shape AI-driven faction wars, explore evolving worlds. Engage in physics-defying combat and adaptive horror in a universe where every choice reshapes reality.
0Eden: Project New Earth
Eden: Project New Earth is a survival game where you can play solo or in multiplayer to colonize a mysterious planet, uncover ancient secrets, and face extreme dangers. Secure humanity’s future through strategy, exploration, and smart base building.
0Scrapmen
Battle in a post-apocalyptic future as the Ironclad Union or the Timberfolk Clan. Collect scrap, build weapons, dominate maps, and shape development in Early Access. Lead your faction to victory in Scrapmen's evolving warzone!
0Movement Gods
Movement Gods is a third-person online shooter where your skill determines everything! Enter the battle, fight, search for new weapons and modules! Improve your skills to become the ultimate Movement God!
0午夜惊坤
This is an open-world multiplayer online game where, after being infected with avian flu, Kunkun mutated into a terrifying monster. As a good friend of Kunkun, Susan decides to venture into the forest to seek the Lion Leopards, aiming to rescue Kunkun.
0Te-Amic
Survive and thrive in the Te-Amic world alongside your friends.
0Fallen Mankind MMO
Good morning, loner. Welcome to hell. In Fallen Mankind MMO, Explore The Zone, survive deadly anomalies, and choose your path among three factions. Build bases, battle players, face horrors, and uncover secrets in a hardcore, open-world MMO inspired by STALKER and survival classics.
0Ravage
Ravage immerses you in a post-apocalyptic world overrun by zombies. Survive by battling hunger, thirst, and enemies. Build and fortify bases, raid for resources, engage in intense PvP, and join clans. Experience immersive realism. Are you ready to face the challenge?
0RC: Car Maniacs
RC:CM is an arcade-style radio-controlled car simulator focused on physics and the feel of real RC racing. Drive rally, drift, speed, and other classes, compete with friends, and set your best lap times.
0Dark Laws
Dark Laws is a medieval fantasy extraction looter with melee, ranged, and spell-based combat. Choose one of 9 mercenaries, mount a dragon alone or with a friend, and survive the brutality of enemies on Telos Island.
0SpecFreq
SpecFreq is a top-down multiplayer shooter set in a dynamic and immersive modern battlefield.
0SEKA II
Lead a fearless team of mice through challenging test chambers! Dodge traps, battle foes, break barriers, collect cheese, and uncover the secrets behind the experiments. Join the mission now! Up to 8 players
0Save Elizy
Save Elizy - is a cooperative survival horror game for 1-4 players. Your path is blocked by demons who will leave you without limbs. Run and hide, save Eliza, but remember - don't let yourself be taken to Hell.
0Phoenix-Zero
Phoenix-Zero is a 3D, Isometric, MMO Bullet-Hell with Permadeath mechanics, placed in a War-filled Steampunk World. Inspired by games like Steambirds Alliance and Realm of the Mad God.
0FREELIFE
Add FREELIFE to your wishlist now! Co-create a universe teeming with potential in this open world voxel sandbox.Craft a character that reflects your style, race around the city in high-octane vehicles, manage your underground empire or team up with friends for daring operations and thrilling heists!