Project Diva (often referred to a Hatsune Miku: Project DIVA) is a series of multi-platform rhythm games developed in joint by Crypton Future Media (owners of Vocaloid) and SEGA.

Series titles have appeared across multiple Sony platforms (PSP, Vita, PS3/4), Nintendo platforms (3DS and Switch) and boasts two Arcade cabinets. The games feature music made by then community using the six CFM Vocaloids:

Hatsune Miku
Megurine Luka
Kagamine Rin
Kagamine Len
MEIKO
KAITO

And occasionally features guest characters such as Internet Co.'s GUMI.