The Root Double series, primarily known for Root Double: Before Crime After Days, is a sci-fi visual novel franchise featuring a unique Senses Sympathy System. Originally released in 2012, the game received several updated versions including Root Double: Before Crime After Days Xtend Edition, which saw releases on platforms like PlayStation 3, PlayStation Vita, and Nintendo Switch, including limited physical editions in 2020.
Created by developer Regista and directed by Takumi Nakazawa, the franchise began development with
Root Double: Before Crime After Days [Extend Edition] in 2011, leading to the official launch of
Root Double: Before Crime After Days in 2012. The narrative is set in the year 2030 within the isolated science city of Rokumi, focusing on a sudden disaster at the nuclear research facility, Labo. Players navigate the crisis through two distinct perspectives: Watase Kasasagi, a rescue team captain suffering from amnesia, and Natsuhiko Tenkawa, a student trapped inside the facility.
The initial 2012 launch was accompanied by
Root Double: Before Crime After Days [Limited Edition] (2012). To expand the game's reach, Regista released
Root Double [Xtend Edition] (2012) and
Root Double: Before Crime After Days Xtend Edition (2012) for home consoles, which added new epilogue content. The franchise sustained its cult following over the next decade. In 2020, the series transitioned to newer hardware with
Root Double: Before Crime After Days Xtend Edition (2020). This release was supported by physical preservation efforts, including
Root Double: Before Crime After Days Xtend Edition [Strictly Limited] (2020) and the comprehensive
Root Double: Before Crime After Days Xtend Edition [Strictly Limited Collector's Edition] (2020).