Hatsune Miku
A series of rhythm games starting from "" were produced by Sega under license using Hatsune Miku and other Crypton Vocaloids, as well as "fan-made" Vocaloids like Akita Neru. TinierMe also made attire that looks like Miku's for their services, allowing users to make their avatar resemble her. The series has sold 6million copies. "" was developed for the Nintendo 3DS. Miku's appearance in this game is based on the Nendoroid series of figures. Hatsune Miku is also briefly referenced in the game "Recettear", where a young man stargazing sees "The Green-Onion Girl" constellation. Also, in 2013, Saki Fujita voices Fei-Yen HD, a character based on one of Hatsune Miku's modules, in "Super Robot Wars UX"; this appearance does not use Miku's vocal library.
Vocaloid 2
VY1 was developed under the codename of "Mizki" as a professional Japanese female vocal with no mascot, designed to fulfill any role and head any Yamaha Vocaloid product. It was released on September 1, 2010 by Bplats and designed to act as a "Standard" vocal of noted quality for the Vocaloid software. It was released on September 1, 2010. It handled samples differently to previous Japanese vocaloids. It sold with a standard and a "deluxe" version, the deluxe version came with a CD called ""feat.VY1"". The CD featured various songs and producer made content and was designed to display the creative freedom that VY1 brought. This was due to it having no official set mascot, leaving her appearance, age and even gender be up to the producer.