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.
AH-Software
AHS released their first Vocaloids on December 4, 2009, named SF-A2 Miki, Kaai Yuki, and Hiyama Kiyoteru. Kaai Yuki became the first Vocaloid to use a child's voice. AHS also published a "Hello Kitty"-based Vocaloid, "Nekomura Iroha", based on the Kittyler featured in the game "Hello Kitty to Issho! Block Crash 123!!" in cooperation with Sanrio. AHS are also heading the first project led by producers working with the software.