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Composition: Konami Amusement (Yoshihiro Tagawa) & Kinjishi, DJ Mass, Suzaku, Genbu, Amuro & Killer
Arrangement: Konami Amusement (Aritomo Hamada)
Genre: ULTIΣATE COLLABORATION
Movie: BEMANI Designers "VJ GYO"
First Music Game Appearance: beatmania IIDX 26 Rootage
Other Music Game Appearances: None.
Emergency. Emergency. Two people of the Kaiden are accessing everybody. Please prepare for a strong shot.
Song Connections / Remixes
- X-DEN samples three songs that have been in the Kaiden course at some point, with different songs used for the Single and Double versions:
- The Single version samples 嘆きの樹, 灼熱Beach Side Bunny and 卑弥呼, representing beatmania IIDX 21 SPADA's Single Kaiden course (DJ TOTTO made his beatmania IIDX debut in SPADA).
- The Double version samples ピアノ協奏曲第1番"蠍火", Bad Maniacs and 天空の夜明け, representing beatmania IIDX 23 copula's Double Kaiden course (HuΣeR made his beatmania IIDX debut in copula).
- X-DEN also samples Highcharge Divolt, 冥, AA, Valanga, the beatmania IIDX 13 DistorteD music selection sound, and the pop'n music 6 difficulty changing sound in both Single and Double versions.
- The last two are references to the Kaiden and HELL courses, which were introduced in beatmania IIDX 13 DistorteD and pop'n music 6, respectively.
- X-DEN was added to beatmania IIDX 26 Rootage on February 26th, 2019 as the ONE MORE EXTRA STAGE in celebration of the 20th anniversary of beatmania IIDX's release. To access it, EX-HARD clear all three stages plus the EXTRA STAGE. The difficulty of X-DEN is determined by the difficulty of the EXTRA STAGE song, e.g. clearing an ANOTHER chart will give you X-DEN's ANOTHER chart.
- X-DEN is the first ONE MORE EXTRA STAGE song not tied to an unlock event since DIAVOLO in beatmania IIDX 19 Lincle.
- From February 6th, 2020, its charts can be purchased in beatmania IIDX 27 HEROIC VERSE via トーンディスチャージャー.
- As of beatmania IIDX 28 BISTROVER, it is available by default.
- When X-DEN is played in beatmania IIDX, the arcade LED ticker displays "KAI-DEN".
- The X in X-DEN is the Greek letter chi, which is pronounced as kai. X-DEN is thus pronounced as kaiden.
- With 1495 notes, X-DEN's Double HYPER chart holds the record for the highest number of notes of any non-long version Double HYPER chart, beating 3y3s' 1461 notes.
- X-DEN marks the first collaboration between DJ TOTTO and HuΣeR in BEMANI.
- Befitting the song's name, both of them are Kaiden-rank players.
- X-DEN's video features ABDI and Echidna, representing DJ TOTTO and HuΣeR respectively.
- X-DEN was added to beatmania IIDX ULTIMATE MOBILE on April 7th, 2022. It can be purchased from the SHOP for 20 MM.
- X-DEN is available in beatmania IIDX INFINITAS (2020) as part of the beatmania IIDX INFINITAS Music Pack vol.18 (beatmania IIDX INFINITAS 楽曲パック vol.18).
- The two guns in X-DEN's overlays are absent in beatmania IIDX INFINITAS (2020).
Song Production Information
Video Production Information
Difficulty & Notecounts
beatmania IIDX difficulty rated from 1 to 12. (Ratings and notecounts obtained from BEMANIWiki 2nd.)
|Game||SP Difficulty||DP Difficulty|
|Notecounts / Charge Notes||-||861 / 6||1418 / 9||2220 / 10||-||896 / 6||1495 / 9||2220 / 10||-|
|beatmania IIDX 26 Rootage→Present||-||8||11||12||-||8||11||12||-|
|beatmania IIDX ULTIMATE MOBILE||-||8||11||12||-||-||-||-||-|
|beatmania IIDX INFINITAS (2020)||-||8||11||12||-||8||11||12||-|
- X-DEN official teaser video - 20周年当日に何かが起こる―― (Something will happen on the day of the 20th anniversary)