Action-Adventure · MMORPG：みんなで遊べるゲーム

Where Winds Meet：メインストーリーの外で楽しむ武侠協力プレイ

最大4人のフレンドとオープンワールドを探索し、ボス戦や一部のグループチャレンジに挑めます。メインストーリーはソロ向けなので、共有できる冒険には明確な範囲があります。

無料

Eterspire

Eterspire is a cozy old-school MMORPG where skill and dedication define your progression. Grind for gear, explore the vibrant world of Aetera, discover new content every two weeks, and join a growing, welcoming community in a free-to-play MMO with PC and mobile crossplay.

無料

Guild Wars® Reforged

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!

$19.99

Adventurers Guild

"The 2026 Tribal Adventure MMORPG is Now Available! Answer the Call of the Wild. Start Your Hunt Now!"

無料

新盗墓笔记（官方正版）

Officially licensed by Nan Pai San Shu, this authentic tomb-raiding MMO brings the novel’s world to life. Venture into the Seven-Star Lu Palace, Nine-Headed Cypress, Bronze Gate and more—iconic locations recreated in stunning detail.

無料

Crystal of Atlan

Crystal of Atlan is a Magicpunk MMO Action RPG where you can immerse yourself in a Magicpunk world. Build your skills, fight and uncover the secrets of this world with your allies! Time to embark on a wondrous journey of Magic and Machinery!

無料

Fantasy Online 2

Dive into Fantasy Online 2, a rich 2D pixel art MMORPG full of adventure. Master diverse skills, join a guild, explore pixelated zones, and engage in simple fun mmorpg combat. Hundreds of items are waiting for you to collect across 4 characters! Join the fun today!

$9.99

Age of Water

Age of Water is an online adventure game set on a post-apocalyptic Earth completely covered in water. Sail through storms, fight and trade, capture other people's boats or build your own, extract resources from the bottom of the ocean and reveal the secrets of the Age of Water world.

$11.99

Pantheon: Rise of the Fallen

Pantheon: Rise of the Fallen is a deeply social high fantasy MMORPG that challenges its players and rewards effort. Join the denizens of Terminus to uncover the mysteries of a world divided by Celestial loyalty… and betrayal.

$39.99

Throne and Liberty

Throne and Liberty captures the essence of classic MMORPGs while introducing new gameplay elements, depth and excitement at every turn. Gather your guild, prepare for battle, and set forth for throne... and liberty!

無料

Myth of Empires

Myth of Empires is a multiplayer war sandbox game featuring a high degree of freedom and multiple civilizations. Players must survive, craft, create, and lead troops in their quest to conquer PVE or PVP territory and build their own empire. Xizhou Civilization Pack is now officially released!

$29.99

GraalOnline Era

Era is a modern 2D action MMO RPG. Purchase weapons and work with a gang to compete in activities such as special events, base capturing and PvP battles in the Spar Complex, or start your own gang and chart your own path!

無料

AdventureQuest 3D

The Void King is raising an army in secret. Death has chosen you as his champion to bring him down. Adventure & quest alongside your friends in this bizarre cross-platform MMORPG from the creators of the original, and comically-redundantly named... AdventureQuest! Weekly releases!

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Summoners War: Chronicles

The King of Rahil is looking for a Summoner to protect the kingdom against Tefo's enormous conspiracy. Explore a vast world with your Monsters by your side in this new Action RPG set in the Summoners War Universe.

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Tower of Fantasy

Embark together on your fantasy adventure! Set hundreds of years in the future on the distant planet of Aida, the shared open-world RPG, anime-infused sci-fi adventure Tower of Fantasy now is officially available on Steam.

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Darza's Dominion

The Dominion takes no prisoners! Fight for your survival in the unforgiving terrains that surround you, strengthen your hero through slaying dangerous creatures, gather a group of allies and bring the battle to Darza in this fast-paced roguelike cooperative bullet-hell MMO!

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Rakion Chaos Force

Enter the arena in Rakion, an online free-to-play action RPG built for fast-paced, skill-based combat. Customize powerful warriors, unleash summoned creatures, and dominate dynamic PvP battles solo or with your team.

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Black Desert

Played by over 20 million Adventurers - Black Desert Online is an open-world, action MMORPG. Experience intense, action-packed combat, battle massive world bosses, fight alongside friends to siege and conquer castles, and train in professions such as fishing, trading, crafting, cooking, and more!

$9.99

Digimon Masters Online

DMO is MMO featuring the ever-popular Digimon franchise. This long awaited game will feature a deeper RPG experience, enhanced graphics and adrenaline-pumping real-time combat. Both new and long-time Digimon fans can now immerse themselves into this new epic adventure with their very own Digimons.

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Zezenia Online

Zezenia is a free to play 2D MMORPG with intense PvP wars & PvE combat. Choose from three classes and seven subclasses to discover a large map with four continents, hundreds of quests, a random equipment system & more.

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Zenith: Nexus

Fight, explore, and lose yourself in an anime-inspired world built for VR. Two action-packed game modes available. How will you use your power?

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Piratopia

Set sail in the open seas and plunder solo, PvE or PvP. Trade goods for ship upgrades or equipments to hunt the Kraken, all in the same Server. Dominate by yourself or with maties. Arrrr for free!

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MilMo

Create a hero and join your friends in an amazing world of action and adventure!

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Ghost hunter

《Ghost Hunter》 is an online collaborative psychological horror game that can be played by at least one and up to five players together. Unlike other ghost hunting games, it incorporates rich Taoist elements and experiences traditional Chinese supernatural culture.

$19.99