可以和朋友在线一起玩的大型多人在线（Action）游戏共 404 款，包括Active Matter、Aniimo和WARDOGS。
全部游戏: 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.
Aniimo is a free-to-play, next-gen creature-catching open-world RPG. Explore the vast continent of Idyll, Twine with unique Aniimo, unlock new abilities. Travel to a sky-floating metropolis, meet other Pathfinders, and battle in exciting competitions. Choose your Aniimo and begin your epic journey!
WARDOGS is a TACTICAL ALL OUT WARFARE FPS where one hundred players split across three teams fight over the control zone. Set in the derelict industrial mountains of Eastern Europe on a destructible battlefield where teamwork pays and cash is king.
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.
与最多四位好友探索开放世界、挑战首领和部分团队活动。主线故事以单人体验为主，因此合作冒险有明确边界。
ZeroSpace is a sci-fi real-time strategy game with an RPG campaign. Play the story as Commander Aster, securing humanity’s place in the galaxy, or team up with a friend in the co-op Galactic War and take on an endless variety of missions against the AI.
The ultimate multiplayer open world designed by Pro riders. Discover mountains and trails with limitless control and build your own career. Pull huge tricks or race through the global rankings! Nail challenges to secure sponsorship deals with real world brands. Are you ready?!
Glory to the Heroes set in the Russian-Ukrainian war is an immersive PvPvE mil-sim providing perspective on the modern warfare with combined-arms combat and extensive elements of survival and immersion, where the action is happening in the accurately recreated real-world locations of actual battles
「裝備全靠爆，出門一把刀！」這是一款超爆笑的無厘頭放置冒險RPG。顛覆沉悶的傳統刷寶，用最沙雕的畫風和滿滿的惡趣味帶你輕鬆闖蕩江湖。重塑經典三大職業，離線掛機也能狂爆神裝！快來挑戰奇葩BOSS，與好友集結公會熱血開戰，拿好你的菜刀，砍翻全場！
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!
Join massive multiplayer battles in Over The Top: WWI - an intense shooter set in the gritty backdrop of World War I. Pick your class, choose from a vast arsenal, including rifles, artillery, airplanes, and powerful tanks, and experience the chaos of fully destructible battlefields.
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.
33 Immortals is a co-op action-roguelike for 33 players. Jump straight into runs, solo or with friends. Battle hordes of monsters, defeat massive bosses, and grow stronger each run. Use in-game emotes to coordinate and combine powers with your fellow rebels, and face the Wrath of God, together.
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
"The 2026 Tribal Adventure MMORPG is Now Available! Answer the Call of the Wild. Start Your Hunt Now!"
Drop into 600 km² of high-velocity tactical extraction warfare (UE 5.6)! Pilot 400 km/h vehicles, control massive weapon arsenals, master 4 specialist classes, earn ARPG medals, battle 5 advanced AI factions, and trade extracted loot on Steam for real value!
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.
Step into the explosive fury of war with Hell Let Loose: Vietnam. Play a decisive role in one of the most iconic conflicts in history with expansive 50v50 player battles, where teamwork, tactics and an arsenal of destructive weapons combine to shape the battlefield in your favour.
Super Alloy Crush is a fast-paced 2D roguelike brawler inspired by classics like Mega Man X. Play as Kelly and Muu (No.02) to defeat enemies and obtain the ultimate cosmic treasure: Planet AE-38. Alone or with a friend in local co-op, get ready for your biggest challenge yet!
Play the most realistic pool game with amazing graphics! Play for free with millions of players from all over the world!
Arena Breakout: Infinite is a high-stakes tactical extraction shooter where every decision matters. Fight, loot, and extract—or lose it all. With stunningly realistic visuals, lifelike sound, and unforgiving PvPvE combat, every raid is a gamble between glory and ruin.
Ukrainian Fight Drone Simulator – Starter Edition is a public version of a leading ultra-realistic FPV drone trainer built on lessons from the Ukrainian frontline. Fly combat drones in true-to-life conditions, take on challenges, and feel the adrenaline of modern warfare.
经典1.80版重现，经久不衰，装备无限自由打，神装满地爆！在这款原汁原味的MMORPG游戏中，你将与同伴尽情冒险，成就一段强者的传奇成长之路。
Play as a variety of creatures or characters and try to survive either maintaining or attacking a space station while everything that can go wrong has already gone wrong.