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* AuthorAppeal: The reasoning behind the many homages to great Western film soundtracks? Composer Michiro Naruke (who would go on to compose the music for each entry in the series until ''5'' and ''XF'', though her influence remains) is a fan of the legendary composer, Music/EnnioMorricone as well as Spaghetti Westerns (Macaroni Westerns as she calls them) in general.
* IAmNotSpock: In the remake, Jane does not like having "Calamity" put in front of her name.
* KeepCirculatingTheTapes: ''Alter Code F'' is one of the rarest games on the Playstation 2, with eBay listings for it regularly exceeding $150.
* WhatCouldHaveBeen: At some point in development of the [=PS1=] version, Jack was supposed to be able to DualWield. Presumably, this was scrapped because he can break the game plenty fine as it is.

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