Sword Art Online: Integral Factor is a role-playing adventure game developed by Bandai Namco Entertainment, released in 2018 for Android, iOS, and PC via Steam. Set within the virtual world of Aincrad from the Sword Art Online franchise, the game casts the player as a custom protagonist who joins the Assault Teams working to clear all 100 floors of the deadly castle. The narrative runs parallel to the original SAO story, incorporating familiar characters while also presenting new behind-the-scenes storylines and alternate "what-if" scenarios not depicted in the source material. Combat takes place across Aincrad's open fields alongside a partner character named Koharu, requiring cooperation with other Assault Team members to overcome powerful enemies. Success depends on identifying monster weaknesses, managing attack patterns, utilizing skills with varied effects, and crafting stronger equipment. The PC version supports controller input and fully customizable keyboard configurations.
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