[Vocaloid Rhythm Game] Best Popular Songs from Project Sekai: Masterpieces that Shine with Unique Personality and Distinctive Flavor
Project SEKAI is a smartphone rhythm game that’s especially popular among Gen Z, from teens to people in their twenties.
The game is a hot topic because you can enjoy top-quality hit songs by Vocaloid producers, brought to life through performances by original units and virtual singers like Hatsune Miku.
The synergy between the game’s worldbuilding and the diverse, dazzling tracks by Vocaloid producers and uniquely styled units offers wonderful encounters—not just for fans, but also for those who don’t usually listen to Vocaloid music.
This article introduces some of Project SEKAI’s most popular songs.
Be sure to check out tracks beyond your usual favorites, too!
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[Vocaloid Rhythm Game] Project Sekai’s Best Popular Songs: Masterpieces Showcasing Unique Styles and Strengths (1–10)
IdentityKanaria
This is “Identity,” a track by Vocaloid producer Kanaria—who also drew attention for creating an ending theme for the anime Chainsaw Man—released in 2022.
It features Kanaria’s signature sound: a shadowy arrangement layered with sharp, punchy vocals that sounds incredibly cool.
It pairs perfectly with the whispery voice of 25-ji, Nightcord de.’s member, Kanade Yoisaki.
It’s also a great recommendation for anyone looking for a duet song to sing at karaoke!
Idolish7: IDOLiSH7 – iDOLiSMILEtoa
One of the songs by 25-ji, Nightcord de., created by Toa—also known for works like “Puzzle Girl” and “Tugihagi Staccato”—and released in 2021.
The five-person choral work is utterly mesmerizing, isn’t it? The dreamy, delicate vocals pair beautifully with the profound lyrics themed around human connection.
The gentle sound arrangement that delivers that message really sinks in as well…
The more you listen, the more it grows on you—truly a masterpiece!
moonlightharumaki gohan × kitani tatsuya
This is one of the songs by the four-member unit Vivid BAD SQUAD.
Created by singer-songwriter Tatsuya Kitani and creator Harumaki Gohan, who also works in animation, this piece was released in May 2022 and quickly joined the ranks of hugely popular tracks.
It features a sultry tone that flows on in a steady, understated way.
You can sense emotions shimmering beneath the quiet.
The lyrics also reveal the relationships between the members of Vivid BAD SQUAD.
As the title suggests, it might resonate most when you listen at night.
[Vocaloid Rhythm Game] Best Popular Songs in Project Sekai: Masterpieces Showcasing Unique Character and Strengths (11–20)
worldDECO*27 × Akita Horie (kemu)
A very refreshing rock number with a satisfying four-on-the-floor beat and guitar riff! It’s a collaboration released in 2020 by popular Vocaloid producer DECO*27 and Vocaloid producer Shota Horie, aka kemu, who is also active as the bassist of the band PENGUIN RESEARCH.
It’s one of the songs released as a theme track before the launch of Project Sekai.
The very positive lyrics—“Let’s head toward the future we’ve envisioned for ourselves”—bring a smile to your face.
Even when you’re feeling down, this song will make everything okay.
Toward an infinitely graysurii
A stirring number that sings of the fleeting nature of dreams and the resolve that “I’ve got to keep going anyway.” Created by the Vocaloid producer Surii, also known for the smash hit “Telecaster B-Boy,” it was written specifically for 25-ji, Nightcord de..
You’ll be drawn in by the wistful synth phrases and the low end that swells and spreads.
The melody, which carefully carries each and every word, is wonderful too.
From beneath the seemingly negative lyrics, a burning feeling of having taken a step forward overflows.
Jackpot Sad Girlsyudou
It’s a suspiciously cute, high-energy track that makes you want to dance as soon as you hear it! In Project Sekai, this song “Jackpot Sad Girl” is sung by Nigo.
It’s a work by syudou, the Vocaloid producer also known for “Usseewa.” While the stylish sound grabs your ears, the lyrics—packed with the message “I’m going to live the way I want”—are fired up and passionate.
In fact, this song is an answer song to “Sand Planet,” the Vocaloid track by Hachi, aka Kenshi Yonezu.
Nikkori^^ Investigation TeamWONDERFUL★OPPORTUNITY！
This song was created by the music project WONDERFUL★OPPORTUNITY!, led by Jesus-P and Minus-P.
It was written specifically for Wonderlands x Showtime and released in 2022.
With its ultra-cute and catchy style, it’s a real energy booster.
A hallmark of the track is its fast-paced melody built around call-and-response parts that highlight each member’s personality.
It’s the kind of song you’ll want to sing together with friends during a fun karaoke outing.