107 Atmospheric Massively Multiplayer games your group can play together online, including Active Matter, Jono, and Gallipoli.
All games: 24
Join dangerous raids for loot or intense PvP/PvE battles in this new realistic military shooter set in a fractured multiverse. Fight in quantum-unstable zones for control of active matter - the substance that bends time and space.
Work together to complete one million levels, one player at a time. Continue where the previous left off. Chat with others while you wait for your turn. How long will it take?
Land on the beaches of Gallipoli and fight intense 50-player objective-based battles on the Ottoman Fronts! Experience WW1 trench warfare and desert expeditions as one of 10 historic classes, armed with authentic weaponry. Gallipoli brings the most immersive WW1 FPS battles yet.
Team up with up to four friends for open-world exploration, bosses, and selected group challenges. The main story stays solo, so expect a shared adventure with clear boundaries rather than a fully co-op campaign.
Stream Racer is a racing game for Twitch.tv streamers. Build your own tracks, host your own races, stream it on Twitch.tv and have your viewers join you. Engage more with your viewers by giving them a racing car on your stream. Get ready for a hilariously chaotic time for your viewers and you!
Step into Guild Wars Reforged, the award-winning online roleplaying game enjoyed by millions, now re-energized with system enhancements and Steam Deck verified. Experience the complete saga— from the fall of Ascalon to the desperate stand against Nightfall. Your adventure is just getting started!
A free multiplayer pixel survival game. Start with nothing and take everything: fish, farm, build a home, fight bosses and other players. The map gets wiped, but your character keeps its progress.
MISERY is a 1–10 player co-op survival game set in a nuclear disaster zone. Here, every day is a struggle: search radioactive ruins for resources, build your bunker, craft weapons, and explore a weird, procedurally-generated world with your friends. Beware of anomalies, monsters, and armed bandits.
A drifting simulator featuring an authentic competition format and a judging system inspired by modern drift championships. Enhanced and updated physics, developed in collaboration with the CarX Motorsport team.
Gloria Victis is an MMORPG with an emphasis on realism, set in a low-fantasy medieval open world. Enjoy MMO with skill-based non-target combat, open PVP with territory control, deep crafting system and player-driven economy – all that served with beautiful graphics and an immersive atmosphere.
World of Sea Battle is a free-to-play open-world MMO set in the Age of Sail. Catch the wind and fire a broadside before your enemy does. Rise from a schooner to a ship of the line through PvP and PvE battles, trade, explore the Endless Sea and join guild wars for the Archipelago.
Play the most realistic pool game with amazing graphics! Play for free with millions of players from all over the world!
Rebuild civilization from a single planet in Nexus Legacy, a persistent sci-fi 4X MMO. Colonize worlds, manage resources, research technologies, command fleets, forge alliances, and fight for control of a living galaxy.
Stone Simulator is a meditative idle game where you live as a rock enduring endless seasons and absurd events. Survive storms, unlock quirky achievements, and observe a serene, ever-changing world. Perfect for Zen-like relaxation or meme-worthy humor.
Aero Tales Online is a free Cross-Platform Anime MMORPG with PvP, PvE, Fortress War, Faction War, Guild War, and life-sim features like Cooking, Farming, Fishing, Housing, Marriage, and even flying freely across the world. Uncover the mystery of the Key of Skylight and begin your adventure!
Survive the chaos of SCP Foundation! Step into a thrilling SCP horror experience with story-driven co-op, intense PvP Breach mode, and randomized maps. Play as Class-D, scientist, SCPs, and more, each role bringing unique challenges in an unpredictable, immersive facility.
C.A.S.T is a third-person PvE extraction shooter playable solo or in co-op. Select your character and loadout to battle enemy hordes, evade anomalies, and complete objectives across handcrafted maps with dynamic procedural elements.
Hardcore open-world survival where preparation is everything. Scavenge, craft, fortify during the day. When night falls, the infected hunt in numbers. Play solo or with friends in a brutal post-apocalyptic sandbox where survival is earned through smart decisions. How many Nights will you survive?
A HARDCORE physics-based 1-4 player co-op RAGE GAME about getting home after a wild night out. It was a fun night! Now grab your buddies and walk home. IF YOU REMEMBER HOW.
A Souls-inspired action RPG set in a sandbox open world with an MMO feel and challenging directional combat. Play solo or with up to 3 friends in co-op. Build friendships, master an unrestricted class system, and uncover the cause that darkened all eyes.
Discover the world's best Casino Slots Games! Play slots with unique game mechanics, explore amazing mini-games and master your casino skills!
A breathtaking open-world adventure awaits! Explore magical realms, restore lost light, and form wordless bonds with players worldwide. Complete quests and solve puzzles in seasonal events that celebrate kindness, discovery, and heartfelt connection.
PIONER drops players into a vast, grim world, where survival hinges on exploration, crafting, and smart resource management. As an MMO FPS, it offers both PvE missions and intense PvP zones, with unique crafting mechanics, hundreds of weapons and a deep story to explore.
Reign of Guilds — the spiritual successor to the old-school fantasy where steel, magic, and skill decide your fate. Inspired by the legacy of Ultima Online and EverQuest.