Development and initial release of the video game Angels of Death by Hoshikuzu KRNKRN (Makoto Sanada).
The official English localization of Angels of Death was released, broadening its international audience.
Announcement of the adaptation of the game Angels of Death into an anime series.
The anime adaptation of Angels of Death premiered on Japanese television.
Rachel Gardner wakes up in a strange abandoned building with no memory of how she got there.
Rachel encounters Zack, a scythe-wielding man imprisoned in the building, who promises to help her escape if she helps him kill in return.
They confront and overcome Eddie, the serial killer controlling Floor 1, progressing upward in the building.
Rachel and Zack face Catherine, a doctor with a sadistic streak, who challenges them on Floor 2.
Rachel and Zack navigate through Floor 3, avoiding traps and facing new dangers.
They meet Daniel, a boy with grand delusions and lethal abilities, who guards Floor 4.
Rachel begins recalling fragments of her past and the tragic events that led her here.
They face Abraham, the maniacal and strong killer of Floor 5.
Rachel and Zack attempt their final escape and uncover the dark secrets underlying the building and their own fates.
