Quick answers

What is Hatsune Miku: Project Diva X about?

Hatsune Miku: Project Diva X is a rhythm game in the Project DIVA series of games featuring Crypton Future Media's popular VOCALOID voicebanks. Sega confirmed the concept for the game is both live concerts, and producing. New to the series is the Live Quest story mode, which infuses the series' classic rhythm gameplay with RPG elements.

When was Hatsune Miku: Project Diva X released?

Hatsune Miku: Project Diva X was released on 24 March 2016.

Who made Hatsune Miku: Project Diva X?

Hatsune Miku: Project Diva X was made by Sega Games.