Other - While not yet featured in any of the games in both series, Miku sang a Trance remix of the music of Green Hill Zone, the very first and most recurring Zone of the series.

Project mirai series - Sonic the Hedgehog appears as cameo in a form figurines.

Sonic Generations - Miku's Sonic-themed module and cover of Live and Learn were also done entirely to promote Sonic's 20th anniversary game.

In Sonic Riders: Zero Gravity, the stage in ' Erase or zero' is set in a desert with a futuristic base similar to two of the courses in the game called Crimson Crater and Security Corridor.

Sonic Riders series- In Project DIVA F 2nd, one of Luka's modules is named 'Temptation' presumably paying homage to Rouge the Bat's default Extreme Gear of the same name.

An artwork of her in the costume was also released, with a Sonic Channel-esque art-style, and was even drawn to have green irises, which is Sonic's eye color. She also sings a cover of Live and Learn (main theme of Sonic Adventure 2 and recurring song in the series) on the pre-order album to further celebrate his anniversary.

Hatsune Miku -Project DIVA- extend - Miku can dress in a Sonic-themed module to celebrate SEGA's mascot's 20th anniversary.

Hatsune Miku -Project DIVA- 2nd - One of the unlockable items (which is also Rin's favorite) is the Piko Piko Hammer, the signature weapon of Amy Rose, a major character who is Sonic's self-proclaimed 'girlfriend' from this series who debuted in Sonic the Hedgehog CD.

Several references to and in other SEGA franchises have been made in the series, and Miku herself has crossovered to other SEGA franchises:

Music Girl Hatsune Miku (Android and IOS).

Hatsune Miku Live Stage Producer (Android and iOS) (Discontinued).

Hatsune Miku: Project mirai DX (Nintendo 3DS).

Hatsune Miku: Project mirai 2 (NovemNintendo 3DS).

Hatsune Miku and Future Stars: Project mirai (MaNintendo 3DS).Hatsune Miku -VR Future Live- (OctoDecember 2016 PSVR).Hatsune Miku -Project DIVA- X (MaPS VITA/AugPS4).Hatsune Miku -Project DIVA- F2nd (MaPS VITA/PS3).Hatsune Miku -Project DIVA- MEGA39’s (FebruNintendo Switch).

Hatsune Miku -Project DIVA- Future Tone DX (NovemPS4).Hatsune Miku -Project DIVA- Future Tone (JPS4).Hatsune Miku -Project DIVA- Arcade Future Tone (NovemSEGA Nu).Hatsune Miku -Project DIVA- f/F (AugPS VITA/PS3).Hatsune Miku -Project DIVA- Dreamy Theater extend (SeptemPS3).Hatsune Miku -Project DIVA- extend (NovemPSP).Hatsune Miku -Project DIVA- Dreamy Theater 2nd (AugPS3).Hatsune Miku -Project DIVA- 2nd (JPSP).Hatsune Miku -Project DIVA- Arcade (JSEGA RingEdge).Hatsune Miku -Project DIVA- Dreamy Theater (JPS3).List of Hatsune Miku -Project DIVA- Games 3 References to/in other Sega franchises.1 List of Hatsune Miku -Project DIVA- Games.

Vocaloid outfit list