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Overview

NayutalieN (ナユタン星人), a Vocaloid producer known for his vibrant, space-themed electronic pop, brought エイリアンエイリアン (Alien Alien) to maimai as part of the MURASAKi PLUS update in November 2017. The song had already made its rhythm-game debut earlier that year in SEGA's CHUNITHM AIR PLUS (March 2017) and originally appeared on NayutalieN's 2016 album ナユタン星からの物体Y (Object Y from Nayuta Star). The track features Hatsune Miku singing a love story wrapped in extraterrestrial metaphor, swaying streetlights, telepathic signals, and gravitational pulls between two hearts drawn irresistibly together. The chorus refrain "エイリアン わたしエイリアン" (Alien, I'm an alien) plays on the idea of an unearthly being who bewitches the object of affection, a theme NayutalieN has revisited throughout his discography. In maimai, the song's Master chart, designed by はっぴー (Happy), has one of the most storied level progressions in the game. It debuted at level 11 in MURASAKi PLUS and was rebalanced four times across subsequent versions, ultimately settling at 12+ (constant 12.8) from UNiVERSE PLUS onward. The 756-note chart is recognized for its dense slide patterns layered over a straightforward 152 BPM pop structure. The Expert chart, designed by すきやき奉行 (Sukiyaki Bugyou), offers a more accessible entry point at level 10. In Asian English regions, the song is localized as "Alien Alien" by "Nayutalien." A co-op UTAGE (宴) chart was later added in maimai でらっくす BUDDiES PLUS (March 2024), splitting 1,457 notes between two players under the enigmatically named designer "中央で踊るダンサー、急募。" (Dancer dancing in the center, urgently hiring).

Videos

Official PV

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Master chart

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Expert chart

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Charts

STD

BASIC
4(4)
215 notesDesigner: -|Tap 196Hold 4Slide 6Break 9
ADVANCED
8(8)
328 notesDesigner: -|Tap 273Hold 41Slide 6Break 8
EXPERT
10(10)
480 notesDesigner: すきやき奉行|Tap 337Hold 61Slide 52Break 30
MASTER
12+(12.8)
756 notesDesigner: はっぴー|Tap 563Hold 38Slide 110Break 45

Trivia

  • エイリアンエイリアン first appeared in a rhythm game as part of CHUNITHM AIR PLUS on March 9, 2017, several months before its maimai debut in MURASAKi PLUS on November 21, 2017.
  • The song is from NayutalieN's debut album ナユタン星からの物体Y (Object Y from Nayuta Star), released in 2016. The album title and much of NayutalieN's catalog share a space/alien motif.
  • In Asian English versions of maimai, the song title is localized as 'Alien Alien' and the artist as 'Nayutalien,' a direct romanization of the original Japanese.
  • The Master chart by はっぴー underwent four difficulty rebalances: level 11 in MURASAKi PLUS, 11+ in でらっくす PLUS, 12 in Splash through UNiVERSE, and finally 12+ (constant 12.8) from UNiVERSE PLUS onward, one of the most frequently adjusted charts in the game's history.
  • The UTAGE (宴) co-op chart, added in maimai でらっくす BUDDiES PLUS (March 2024), is a 協バディ (Co-op Buddy) chart with 1,457 total notes split between left and right sides. Its designer is humorously listed as '中央で踊るダンサー、急募。' (Dancer dancing in the center, urgently hiring).
  • The song's lyrics are built around an alien-as-love-interest metaphor, with recurring imagery of telepathy (感覚のテレパス), gravitational attraction (宇宙の引力), and the thrill of discovering an otherworldly connection.
  • NayutalieN (ナユタン星人, roughly 'Nayuta Star Person') is a Vocaloid producer and songwriter whose space-themed persona extends across his discography, including hits like 彗星ハネムーン (Comet Honeymoon) and 太陽系デスコ (Solar System Disco).
  • The official music video for エイリアンエイリアン, also produced by NayutalieN, accompanies the song with characteristically space-themed visuals consistent with the artist's aesthetic.

FAQ

Who composed the song エイリアンエイリアン (Alien Alien) in maimai?
The song was composed, arranged, and written by NayutalieN (ナユタン星人), with vocals by Hatsune Miku (初音ミク). NayutalieN also produced the official music video.
When was Alien Alien added to maimai?
エイリアンエイリアン was added to maimai MURASAKi PLUS on November 21, 2017, following its earlier rhythm-game debut in CHUNITHM AIR PLUS on March 9, 2017.
What is the English title of エイリアンエイリアン?
In Asian English versions of maimai, the song is localized as 'Alien Alien' and the artist is listed as 'Nayutalien.'
Who designed the Master and Expert charts for Alien Alien?
The Master chart was designed by はっぴー (Happy) and the Expert chart by すきやき奉行 (Sukiyaki Bugyou). The Master chart is notable for having been rebalanced across multiple maimai versions.
Why did the Master chart difficulty for Alien Alien change over time?
The Master chart started at level 11 in MURASAKi PLUS, was raised to 11+ in でらっくす PLUS, then 12 in Splash, and finally 12+ (constant 12.8) from UNiVERSE PLUS onward, reflecting the game's evolving difficulty scaling and the chart's enduring challenge.
What album is エイリアンエイリアン originally from?
The song was first released on NayutalieN's 2016 album ナユタン星からの物体Y (Object Y from Nayuta Star).
What is the song エイリアンエイリアン about?
The lyrics use an alien metaphor to describe falling in love, with imagery of telepathy, gravitational pull, and cosmic attraction. Hatsune Miku sings from the perspective of an 'alien' who bewitches her crush, framing romantic tension as an otherworldly encounter.
Does Alien Alien have a co-op chart in maimai?
Yes, a co-op UTAGE (宴) chart was added in maimai でらっくす BUDDiES PLUS (March 2024), rated 13? and designed by '中央で踊るダンサー、急募。' It splits 1,457 notes between two players with distinct left and right note streams.