A mobile rhythm game featuring the [[Piapro]] family and other original characters. Developed by [[Colorful Palette]]. 

It has two commissioned theme songs for its launch, [[Sekai (vocaloid)|]] and [[Wah Wah World (vocaloid)|]].

About two songs are commissioned each month from known [[Vocaloid]] producers.

h4. Characters

h6. Virtual Singers

* [[Hatsune Miku]]
* [[Kagamine Rin]]
* [[Kagamine Len]]
* [[Megurine Luka]]
* [[MEIKO (vocaloid)|]]
* [[KAITO (vocaloid)|]]

h6. [[Leo/need (project sekai)|]]

* [[Hoshino Ichika (project sekai)|]]
* [[Tenma Saki]]
* [[Mochizuki Honami]]
* [[Hinomori Shiho]]

h6. [[MORE MORE JUMP! (project sekai)|]]

* [[Hanasato Minori]]
* [[Kiritani Haruka]]
* [[Momoi Airi]]
* [[Hinomori Shizuku]]

h6. [[Vivid BAD SQUAD (project sekai)|]]

* [[Azusawa Kohane]]
* [[Shiraishi An]]
* [[Shinonome Akito]]
* [[Aoyagi Touya]]

h6. [[Wonderlands x Showtime (project sekai)|]]

* [[Tenma Tsukasa]]
* [[Ootori Emu]]
* [[Kusanagi Nene]]
* [[Kamishiro Rui]]

h6. [[25-ji nightcord de. (project sekai)|25-ji, Nightcord de.]]

* [[Yoisaki Kanade]]
* [[Asahina Mafuyu]]
* [[Shinonome Ena]]
* [[Akiyama Mizuki]]

h4. Supporting Characters

* [[Akiyama Yuuki]]
* [[Aoyagi Harumichi]]
* [[Asahina Mafuyu's Father]]
* [[Asahina Mafuyu's Mother]]
* [[Tofu (project sekai)|]]
* [[Iori (project sekai)|]]
* [[Jean Riley]]
* [[Kigurumi-san (project sekai)|]]
* [[Kotaki Nagi]]
* [[Kotaki Taiga]]
* [[Kousaka Saku]]
* [[Mary (project sekai)|]]
* [[NeneRobo]]
* [[Seiryuuin Sakurako]]
* [[Shinonome Shinei]]
* [[Stuffed Bunny (project sekai)|]]
* [[Ootori Hinata]]
* [[Ootori Keisuke (project sekai)|]]
* [[Ootori Kounosuke]]
* [[Ootori Rakunosuke]]
* [[Ootori Shousuke]]
* [[Phenny (project sekai)|]]
* [[Yoisaki Kanade's father]]
* [[Yoisaki Kanade's mother]]

h4. See also

* [[List of Project Sekai costumes and events]]
プロジェクトセカイ prsk_FA プロセカ pjsekai prsk pjsk Hatsune_Miku:_Colorful_Stage! プロセカ衣装デザイン pjsk_FA prsk_NL prsk_GL prsk_BL 腐ロセカ