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Title Screen


Also known as: Wǔ Méng (CN)
Developer: Sega AM1
Publisher: Sega
Platform: Arcade (Sega RingEdge 2)
Released in JP: July 11, 2012
Released in CN: September 2012
Released in AS: 2012

AreasIcon.png This game has unused areas.
GraphicsIcon.png This game has unused graphics.
MusicIcon.png This game has unused music.
DebugIcon.png This game has debugging material.
RegionIcon.png This game has regional differences.

This article is a work in progress.
...Well, all the articles here are, in a way. But this one moreso, and the article may contain incomplete information and editor's notes.

Welcome to maimai!

maimai is the first of Sega's series of washing machine-shaped rhythm games. Unlike most of Sega's previous affairs in the genre, it was a huge success, with new releases and updates still coming to this day.

Debug Parameters

These parameters apply for the 1.00, 1.01, and Chinese versions(based on 1.01) of the game. To use them, add the parameters to "TemporaryConfigGame.txt".

  • ALL_OPEN - Unlocks all songs.
  • OFFLINE_MODE - Skip the ALL.net check, automatically passing it successfully. Should the check fail, some songs and all background animations will not be available.This option will also disable login.
  • ARAYA_SPEED - Set note speed. 512 = in game "5", 768 = in game speed 7.
  • SHADOW_RATE - Unknown.
  • AUTO_PLAY - Enable autoplay.
  • TESTMODE - Enable test mode.
  • DEV - Enable DEV mode.
  • DEBUG_MODE - Enable debug mode. Pressing Right Click on a mouse will reveal a debug menu.
  • FORCE_JUDGE - Unknown.
  • REGION_TYPE - Sets the game's region. "JP" for Japan, "EX" for Export (texts is translated in English), "CH" for China.

Debug Menu


When DEBUG_MODE is set to 1, you can access an in-game debug menu.

  • TestScore - Nothing visibly happens.
  • TestSound - Nothing visibly happens.
  • TestInput - Show input test.
  • TestSerialInput - Show serial input test.
  • TestJVS - Show JVS I/O test.
  • TestSlide - Show Slide test (needs original touch sensor)
  • TestGameDraw - Game crashes immediately.
  • PsyudoTouchPanel - Test touch sensor.
  • BGSelector - Show a selector menu.
  • TestLED - Nothing visibly happens. (needs LED Board)
  • TestCamera - Show camera test.
  • TestLink - Test cabinet-cabinet link.
  • TestServer - Nothing visibly happens.
  • TestMovie - Game crashes immediately.

Unused Graphic

A tentative version of the logo, ultimately never used in any region.


Dummy image and background animation

Dummy background sprite with GreeN art style.Never used in any songs.


The song amanojaku(天ノ弱) has music and chart file in Ver1.20, but the sprite and BGA are dummy version.

The song amanojaku released in Ver1.21, which uses normal coverart and MV.

Unused Songs

Within the game's data are files for several tracks that go completely unused; most of them were also never released. They all have music and chart data, and their IDs and associated songs are listed below:

ID Song Title Artist Appeared Version Tentative sign Notes
012 レーザービーム
Laser beam
Perfume Japan/Export Ver1.00
China Day1 Release
013 ジェットコースターラブ
Jet coaster love
KARA Japan/Export Ver1.00
China Day1 Release
014 チョコレイト・ディスコ
Chocolate disco
Perfume Japan/Export Ver1.00
China Day1 Release
016 Share The World 東方神起
Japan/Export Ver1.00
China Day1 Release
019 Born This Way Lady Gaga Japan/Export Ver1.00
China Day1 Release
032 シークレットシークレット
Secret secret
Perfume Japan/Export Ver1.00
China Day1 Release
033 Rapture Alicia Keys Japan/Export Ver1.00
China Day1 Release
036 Shy Guy Diana King Japan/Export Ver1.00
China Day1 Release
037 Where Is The Love? The Black Eyed Peas Japan/Export Ver1.00
China Day1 Release
039 One More Time Daft Punk Japan/Export Ver1.00
China Day1 Release
048 そばかす
JUDY AND MARY Japan/Export Ver1.00
China Day1 Release
050 残酷な天使のテーゼ
Zankoku na tenshi no these
Yoko Shimomura
Japan/Export Ver1.00
China Day1 Release
No A cover version of this song would later appear in maimai GreeN.
051 にんげんっていいな
Ningen tte iina
Japan/Export Ver1.00
China Day1 Release
052 風になりたい
Kaze ni naritai
THE BOOM Japan/Export Ver1.00
China Day1 Release
103 Black☆Rock Shooter ryo Japan/Export Ver1.01
China Update 1
104 twinkle Junky Japan/Export Ver1.01
China Update 1
105 *ハロー、プラネット。
*Hello, planet.
sasakure.UK Japan/Export Ver1.01
China Update 1
Yes This song would later appear in maimai GreeN.

Chinese Version

The Chinese version also has two unreleased songs, the Chinese version lefts audio data only.

However, the Ver1.01 both have audio data, chart data and text data.

ID Song Title Artist
900 有ME就好
Yǒu ME Jiù Hǎo
901 忽然这一秒
Hū Rán Zhè Yì Miǎo
Ariel Lin

Regional Differences

Roughly two months after its original Japanese release, maimai was released in China, under the name of 舞萌 (Wǔ Méng).

Title Screen

Japan(Ver1.00/Ver1.01) China(never changed)
Maimaititle.png Maimaititle-china.png

ALL.net function


While the Japanese and Export versions can update songs though ALL.net download and DVD for program update, the Chinese version only uses DVD to update songs.

Although the ALL.net download feature are exists in the Chinese version,it never used.

The Chinese version gets ver1.01 program since it released. However,it never gets program and UI update. In final update(Update 2 on May 2014),it still uses Ver.1.01 program,but Ver1.20 songs without Senbon Zakura.


While the Japanese and Export versions use AIME cards to save progress, the Chinese release uses "GamePass"; when you register, the game will give you a code, which is required to log in.

Movie Upload and maimai.NET

The Japanese and Export versions have the ability to upload a recorded video of your gameplay to Niconico. The Chinese version lacked this ability, instead having the ability to playback your gameplay locally, and the feature was never implemented before the Chinese servers were shut down on November 1st, 2014, following the closure of Sega Jinwin, the joint-venture that handled Sega's arcade operations in the region.

maimai.NET feature are also never implemented in China, which means that some functions like player name change, query game record, friends, video link(for movie upload) are all not available in Chinese version. But ranking is available,which looks completely different with maimai.NET.

Exclusive Songs

The Chinese version has five exclusive songs, which are not available in any other versions of maimai.

However, Ver1.01 have sound file, text data and chart data of these songs, which deleted in Ver1.30.

ID Song Title Artist
902 麻烦下一位
Máfan Xià Yī Wèi
903 回马枪
Danson Tang
904 远的要命的爱情
Yuǎn Dé Yàomìng De Àiqíng

906 so long Roomie
907 飞行志
Fēixíng Zhì