Massively Multiplayer Games
Discover 3923 massively multiplayer games on Steam. Find the best games in this genre.
Massively Multiplayer Games
Explore 3923 massively multiplayer games
0Digger Sandbox
Dig, build, and experiment in a physics-driven sandbox where heavy machinery meets creativity. Operate real construction vehicles, sculpt terrain with simulated dirt blocks, and team up with friends in a persistent diggable world.
0The Horror Quest
The Horror Quest is a project of a secret organization that creates bloody shows under the guise of games. There are no scripts and safe zones here - only real danger, primal fear and the fight for life. Will you be able to get out of the game alive?
0Might of Spells®
An sandbox open-world MMORPG that brings back the nostalgic charm of the top-down view, offering demanding and engaging gameplay with modern graphics and pure, straightforward PvP, where combat, free from excessive visual effects, allows players to focus on the true dynamics of battle.
0Bastion: Gauntlet of the Chosen
An action RPG where scars are your skill points. No health bars, only instinct. As a gladiator in a tyrannical world, you fight to survive. Your choice: the regime's celebrated champion, or the rebellion's secret symbol? In a world that remembers your every deed.
0Sweet Boom!
Sweet Boom! is a colorful, cartoon-style game for the whole family! Enjoy battle royale, team battles, and free-for-alls across sweet-themed maps full of traps and surprises. Team up in co-op or compete online — fun, action, and plenty of sweets await! Let’s burst into fun!
0Anchor's Lament
Anchor's Lament is a multiplayer roguelite strategy game where you build your team to fight other players with a unique gameplay mechanic! Everything follow the beat of the anchor!
0HOTLIME
Welcome to Hotlime — a skyscraper of madness where four citrus fighters are trapped in a juicy deathmatch! Climb through piles of pulped bodies, deadly weapons, endlessly sour cruelty, and one dangerously seductive barmaid. There’s no way out!
0Ocean Escape
You are an expendable asset, sent to die on a zombie-infested island by your android overlords. Prove you're more than a tool. Survive, evolve, and reclaim your freedom in this unforgiving post-apocalyptic world.
0Starnded: Gardens of the Rubellite
Starnded: Gardens of the Rubellite is a first-person sci-fi survival RPG. Explore an alien planet, gather resources, build your base, and survive a world that's both beautiful and deadly.
0Expedition Call
"Expedition Call" is a classic turn-based chess strategy competitive card game. Featuring seven distinct races and four core classes, the game offers a wide range of combinations. Players can build customized decks to suit different strategies and adapt to various challenges on the battlefield.
0Nighttime Runners
Nighttime Runners is a 40v8 non-violent casually competitive multiplayer game. 40 Runners sneak, sprint, and parkour across a giant map to grab their prize and escape. 8 Seekers work together to track them down. Use gear, pings, prox chat, and more. Just don't get caught.🏃♂️🔦🏃♀️🌙

Sudoku online with friends
Get ready for a battle of wits where every move is a challenge. Forget the boring solitude of classic Sudoku! Sudoku Online with Friends is not just a game, it's a duel of intellects with real opponents, where only one can emerge victorious. Here you are fighting for each cell with your opponent.
0Nomën Ipsa
Hardcore, retro-styled RPG focused on boss fights with interesting mechanics. Demanding. At times grind-y. There are leaderboards to climb! You can team up with your friends (so they can call you useless when you inevitably miss a mechanic), or go solo. Your call, play however you want.
0Codename Sunday
A top-down, fast paced shooter, heavily inspired by the popular game Diep. Kill tanks to upgrade yourself and become undefeatable. Fight friends, or foes - with friends, or foes, or question your surroundings and watch as the illusion of everything you know falls apart.
0MAJJAM
Pick your hero and team up with other players to fight back the creeping evil in Majjam, a poetic multiplayer adventure where music is magic. Explore a dynamic environment responding to melody, defeat evil with your magical instrument, and jam in real time with friends to restore what was lost.
0DNAVERSUS
Get ready for DNAVERSUS! The new Free to Play hand drawn anime platform fighting game by solo dev studio Inoa Games. DNAVERSUS is the intermission before the next chapter in DNA 2, bringing the previous DNA 1 roster & upcoming characters in the DNA series in a legendary cosmic battle for the ages!
0SCP: Project 90
SCP Project 90 — is a game inspired by the SCP Foundation universe and inspired by SCP: Secret Laboratory.
0Battle of Aces
Battle of Aces is a free-to-play fast-paced first-person shooter combining high-impact multiplayer action with striking visuals. Step into a world where technology merges with biology, and every victory is defined by the DNA running through your veins.
0Primal Blue
Survive and thrive as a sea creature in a vast online ocean. Hunt, evolve, and adapt in a dynamic underwater world filled with danger, mystery, and other players. Will you rise as an apex predator or vanish beneath the waves?
0求生者:活着
"Survivors: Alive" is an SLG+ role-playing game with an environmental crisis as the background, which mixes various gameplays such as construction and multiplayer strategy.