Atelier Escha & Logy: Alchemists of the Dusk Sky (エスカ&ロジーのアトリエ ~黄昏の空の錬金術士~) is a Japanese role-playing video game developed by Gust Co. Ltd. Given the project code "A15", it is the 15th game in the official Atelier series and the second installment of the Dusk storyline.[6] Hidari remains as the character designer and the game runs on the LTGL engine.[7] It was released in Japan on 27 June 2013.
In Japanese the title is Escha to Logy and that is in reference to the English word Eschatology which is the study of the end of the world, human history, or the current age.
An anime adaptation by Studio Gokumi aired from 10 April 2014[8][9] to 26 June 2014.
A version for the PlayStation Vita titled Atelier Escha & Logy Plus: Alchemists of the Dusk Sky was released in January 2015 and featured new playable characters, enemies and story events.