* FanNickname: The [[CompilationRerelease HD Collection]] has coined "HighDefinition [[HumongousMecha Robot]] [[ActionGame Action]]" by the Zone of the Enders: The Unofficial Site as a play on ''The 2nd Runner''[='=]s TagLine.
* HeyItsThatVoice: In the Japanese version ''Dolores, i'':
** James Links was [[Anime/MobileSuitGundam Slegger]], and later became [[Anime/HaloLegends Master Chief]] and [[Anime/PantyAndStockingWithGarterbelt Masculimus Surprise]]!
** [[Creator/YoshikoSakakibara Dr. Rachel Links]] is [[Manga/{{Hellsing}} Alucard's master]]!
** [[NarumiHidaka Noel Links]] was [[Anime/MobileFighterGGundam Allenby Beardsley]] and [[Anime/TheVisionOfEscaflowne Eriya]].
** [[Creator/HoukoKuwashima Dolores]] once competed with [[Manga/AzumangaDaioh Sakaki]] in high-school, became a [[MsFanservice sexy]] [[VideoGame/DeadOrAlive ninja]], traveled with [[VideoGame/EternalSonata Allegretto]] as an archer, an [[VideoGame/CastlevaniaOrderOfEcclesia emotionless vampire hunter]].
** The games' English cast famously seems to be on the obscure/no-name side of the voice acting world. There is one exception, though -- Elena, who is voiced by Debra Rogers ([[Franchise/DotHack Mia]], [[VideoGame/TekKen Anna Williams]], [[Anime/MobileSuitGundamThe08thMSTeam Karen Joshua]]).
* NoExportForYou: Prior to HD Collection's version of ''Zone of the Enders: The 2nd Runner'', a [[UpdatedRerelease Special Edition]] of game was released in Japan and Europe, but strangely never to North America. The Special Edition featured some graphical and frame-rate improvements over the original game, new difficulty levels[[labelnote:*]](the Japanese version has an Extreme difficulty and a Super Hard difficulty in-between [[HarderThanHard Very Hard]] and [[NintendoHard Extreme]] mode, whereas the European version only gets the Extreme mode)[[/labelnote]], new cutscenes and battle sequences, an expaned Extra Mission mode, and sub-weapon tutorials for the VR Training. This changed though as the HD Collection includes the European version of the Special Edition of ''The 2nd Runner'' for the North American release.
** And there's the two [[LimitedSpecialCollectorsUltimateEdition premium editions]] for the Japanese version of ''Zone of the Enders HD Edition'', which has ''two'' books instead of one from the Western release, and a Blu-ray re-release of the ''[[TheAnimeOfTheGame Zone of the Enders: 2167 IDOLO]]'' [[OriginalVideoAnimation OVA]] with the most expense of two packages.
* OldShame: Whilst not necessarily ''ashamed'' of the original game, the HD Collection's pre-release hype was all focused on ''The 2nd Runner'', with barely a word being said about the HD remastering of the original game; on top of that, the intro specially made for the HD Collection only focuses on the original game for roughly a minute and a half, with the remaining four minutes focusing on ''The 2nd Runner''.
** To make things even worse, the Hexa Drive patch on the [=PlayStation=] 3 version only addresses the frame-rate issues of ''The 2nd Runner'' and enhanced its visual quality to 1080p; the original game is left untouched. Granted the original ''Zone of the Ender''[='=]s frame-rate at the time wasn't crippled, High Voltage Studios only enhanced the games for 720p when these games were supposed to be in 1080p.
* WhatCouldHaveBeen: Several design sketches show unused designs for some of the frames. For example, the Raptor was initially supposed to be dual-wielding katana-like weapons, instead of having them grafted on to their arms; as well as unused names for most frames, if the HD Edition's Special Art Book is to be believed, at least. For example:
** ''Jehuty'' went through several name changes, from ''New Eden'' to names such as ''Exodus, The Whisper, Vision Divine, Lightning'' and ''[[OddNameOut Megadriver]]''.
** Similarly, ''Tempest'' had the names ''Faust, I-Vanvo, Epusutain, Vadourv, Devionario, Manonresco'' and ''Volpone'' before settling on Tempest.
* [[MarthDebutedInSmashBros Z.O.E's Music Debuted in Metal Gear Online]]: Some music from ''Zone of the Enders''[='=] soundtracks was reused in [[Franchise/MetalGear Metal Gear Online]]; most notably "Vivid Transparency", [[http://www.youtube.com/watch?v=8N6_mGzAvm0 heard here.]] This has led to a surprisingly large number of people wondering where someone got the notion that a Metal Gear track is from this game about flying, sword-fighting robots.
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