Root Letter Last Answer is a visual adventure game with gameplay similar to TV shows such as Danganronpa or Ace Attorney. The game was developed by Kadokawa Games, which is part of the huge publishing conglomerate Kadokawa, which produces films, animations, music, games, etc. Root Letter Last Answer is an extended remake of the original Root Letter, released in 2016 on PC, PlayStation 4 and PS Vita, with a circulation of more than 400,000 copies worldwide. It was the first adventure game created by these developers, many of whom had previously worked for Konami, as well as the debut work of a series of unrelated detective games. The reissue replaced the original two-dimensional illustrations with photographs and films of actors from life.

GOD WARS The Complete Legend is a 2019 improved version of the game from 2017. Both were developed by Kadokawa Games, a Japanese company known for projects such as Demon Gaze II and Natural Doctrine. The history of the game is inspired by Japanese mythology and takes place in the world of Mizuho, where the Hyuuga, the Amazing and the Fuji people live. For many years, people led a quiet and prosperous life.