Massively Multiplayer Games
Discover 3915 massively multiplayer games on Steam. Find the best games in this genre.
Massively Multiplayer Games
Explore 3915 massively multiplayer games
0Flip & Shop Simulator
All simulators in one game! A cooperative city simulator where you and your friends manage businesses in a single large world. Open stores, earn money, and develop the shared city - together or separately.
0Giant Beast Island
This is a highly engaging dinosaur-themed survival adventure game. Players will take on the role of a newly hatched dinosaur, landing on a mysterious Jurassic island filled with unknown dangers, where diverse dinosaur species with various forms and habits inhabit.
0Scars of Honor
Scars of Honor is a free-to-play fantasy MMORPG where player choice, skill-based combat, and meaningful progression shape your legend.
0Stain
Stain is a cooperative horror game for 1–4 players. ou enter a place you were never meant to find.It looks empty, but something is already aware of you. It listens. It waits. It doesn’t rush — time is on its side.
0Grimmloch
A persistent text-based MMORPG where NPCs remember your secrets and shape a living world rooted in European folklore. Turn-based tactical combat, criminal gameplay, and collaborative storytelling that writes itself into canon. Built by Role-players for Role-players.
0Call Me
An online game for 2 to 6 players. Survive by deceiving other players, complete challenges, and check if the door is locked. And remember, only one can win!
0The Krampus Game
The Krampus Game is a chaotic, scary-fun multiplayer adventure where ancient winter folklore turns into wild holiday mayhem. Inspired by real Krampus and Nikolaus parades, this game brings the tradition to life — but with more monsters, more laughs, and a whole lot more chaos.
0Bring the Thing!
You and your friends wake up in a cursed castle. Doors slam shut. Collect mystical blocks and parts. Build bridges, flying platforms - anything that holds! Physics-based co-op chaos up to 4 players. Laugh, scream, and escape together. Will your creation stand or will you all fall?
0Beyond The Cupola: ISS Simulator
You are the ISS crew, where the station's fate depends on everyone. Oxygen leaks, system failures, meteorite threats — repair with your own hands and make real-time decisions. Complete missions, perform spacewalks. Experience life in orbit: in space, nothing goes according to plan.
0Floral Fury Online
Unleash nature's wrath in Floral Fury Online, an Indie Action MMORPG. Master a unique Fusion system, conquer procedural dungeons, and battle epic bosses with dynamic combat. Forge your legacy, join guilds, and dominate the economy in a world where weather dictates the tide of battle.
0Wasteland Outpost
Wasteland Outpost is an explosive online cocktail of tactical shooter, base building, and survival. Scavenge for resources, build an impregnable fortress, and fight off hordes of mutants and the enemy team. Fortify your base or watch it burn in the flames of the apocalypse!
0Cambell’s Oddity Box
Cambell’s Oddity Box is a collection of fun little experiences. Games, experimental input methods, menu designs, and more. Think of it as an interactive, digital sketchbook.
0Ink Shadow: Zero
Ink Shadow: Zero - A martial-arts-themed RPG where you begin as a nameless novice and explore a world where light and shadow intertwine. From chance encounters to pivotal choices that reshape the balance of power, carve your own legend in the martial arts world
0Neon Sigil
Neon Sigil is a lightning-fast, skill-based 1v1 arena duel with precise movement, tough mind games, and fair readability—no pay-to-win, just skill.
0Gag Order
Build a crew of reckless and fearless in Gag Order - fast-paced, co-op tactical survival horror. Explore the Unknown, fight reality-bending Entities, navigate through surreal landscape of contaminated buildings and try not to blow up your teammates in the process. Available for 1-4 players.
0Tag!
TAG! is a fast-paced 2-8 player multiplayer parkour game of tag. Sprint, vault, wall run and outplay friends to avoid being It when the timer hits zero, then customize your loadout with Skill Scroll upgrades and game-changing Ultimates.
0RAILSTRIDER
Go on road trips with your friends, explore dangerous locations, and return with loot to upgrade your train. Discover new regions and reach the last safe place on earth.
0Reciros
Reciros is a multiplayer magic FPS where guns are replaced by elemental spells. Combine elements to create unique abilities and adapt your playstyle. Play King of the Hill or objective-based team modes online with Steam friends and prove you're the most powerful wizard.
0SkyDrop
Drop into a world where you and your friends can engage in eliminating players, and monsters. There are community trophies to collect all around for you to find but just know that they are not easy to achieve. Good luck out there and have fun.
0The Final Shuffle
Earth is dying and one shuttle remains. Scavenge, fight, and manipulate your way to the last seat. Form alliances to survive the chaos, but beware: when the engines ignite, betrayal is the only way out. Trust no one. Board or be left behind.