Sword Art Online: Integral Factor
Patch notes · News · Live player count
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Aim to conquer Aincrad with Kirito and Asuna
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The popular smartphone game SWORD ART ONLINE: Integral Factor (SAOIF) will now be available on Steam! Play it with a controller or your keyboard with custom key configurations! See the world of Aincrad come to life on a large PC monitor! This time, the protagonist is...you! You appear in this online RPG as a member of an Assault Team, working with other imprisoned players to reach the 100th floor of Aincrad! What if you were trapped in a game of life or death? You can experience meeting familiar characters and connecting to the original SAO story from your own POV. Experience behind-the-scenes stories not seen in the original SAO, and completely different story developments! Live out a "what-if" story where you affect Aincrad! Battle System Fight through the sprawling fields of Aincrad with your partner Koharu, trapped together in a game of life and death! You'll need to cooperate with Assault Teams across the land and battle together to beat powerful monsters and tough quests! Forging stronger weapons, using skills with all kinds of effects, and preparing for each enemy's weak points and attack patterns are all key to your success!
Patch Notes & Announcements(38)
MAJORNotice about Chapter 2 Aincrad 65F
Major Updates"Aincrad 65F" and a new quest has been implemented.Added 65F boss avatars.Evolution (★3→★4) of the Super Rare "Lava Integral Series" weapons has been unlocked.Avatar ImagesThe Lava Integr
MINORYuna Live is on now!
Protect that voice at all costs! The legendary Live Defense event is here! Thanks for waiting! Yuna, the pinnacle of AR idols, descends onto the stage in a special festival-themed outfit! Relive the e
MINORSWORD ART ONLINE Console game series has surpassed 10 million total copies sold!
🎉 Congratulations! The Sword Art Online home console game series has surpassed 10 million total copies sold! 🎉 We would like to express our heartfelt gratitude to all the players who have enjoyed ou
MAJORNotice about Chapter 2 Aincrad 16F!
Major Updates"Aincrad 16F" and a new quest has been implemented.Added 16F boss avatars.The player level cap has been raised (Lv.290).The Super rare "Lava Integral Series" of weapons has been added.Ava
MINORSAOIF x That Time I Got Reincarnated as a Slime Collab Event is here!
SAOIF x That Time I Got Reincarnated as a Slime Collab Event: "That Time I Got Teleported to SAO" is here!After a certain incident, the characters from That Time I Got Reincarnated as a Slime are tran
MINORHoliday Campaign!
Seven days straight of free 11x Orders! One ★4 Skill Record guaranteed!Different free Orders will be available daily: Burst, Awakening, MOD, Connect, Accele, Full Burst, and Chain!Event period for var
MINORThe Moment You Sync, the Battle Evolves! Introducing 《Link Skills》!
The moment you sync, the battle evolves. A new era of synchronization begins with 《Link Skill》!《Link Skill》 are a new type of skill that transforms the actions of you and your allies into pure power!
MINORNovember 6 is Aincrad Day!
November 6 is the day Sword Art Online officially launched! We have decided that this momentous date shall be known as Aincrad Day, and we're holding a variety of huge events to celebrate in Sword Art
MAJORRelease Note for 2025/10/16
A fix for a security vulnerability found in games built with Unity as reported by Unity Technologies on October 3rd, 2025 (Fri).Please see the official announcement from Unity Technologies for further
MINORUnderground Labyrinth B7F installed!
Underground Labyrinth B7F was released after the October 29, 2025 (Wed) maintenance. Major UpdatesUnderground Labyrinth B7F, new quests, and achievements have been added.Transformation for the Nox Int
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