Changes

Appears This version originally appeared on the ''Purest FeelingDown In It'' as single, and would become the last track, differing from its official counterparts as version that it has an extended intro with strange screams and odd staticappears on ''Pretty Hate Machine. It also includes about 1 minute and 8 seconds of distorted clippings of '' In chronological order, this is the first Nine Inch Nails song at the end as a finish ever released to the albumgeneral public. Musically itAlso appears on the ''Demos and Remixes''s extremely close to the and ''Purest Feeling II'' bootlegs as "Down In It (DemoII)." It's simply the " Skin" mix with an unadulterated version from of the ''Head Like a Hole'' US single"Terrible Lie" intro tacked onto the end, which fades out.

The version that appears on ''Pretty Hate Machine'' is in fact the "Skin" remix====Song Credits====*Reproduced and remixed by Adrian Sherwood, but it is not listed as such on the album.Keith LeBlanc

Appears on ''Head Like a Hole'' (US) as the last track, running 3:52. It is the same as the "Skin " version except for the synth being removed.

Appears on the ''Demos and Remixes'' bootleg, running 4:09. It's an odd version with Reznor whispering a good portion of his vocals under an odd beat. It also includes faux-Oriental sounding synths which are noticeably absent in any of the other versions of the song. This is often referred to as the "Big Whole Mix". ===Down In It (''Purest Feeling'')===Appears on ''Purest Feeling'' as the last track, differing from its official counterparts as that it has an extended intro with strange screams and odd static. It also includes about 1 minute and 8 seconds of distorted clippings of the song at the end as a finish to the album. Musically it's extremely close to the "(Demo)" version from the ''Head Like a Hole'' US single.

This version originally appeared on the ''Down In It'' single, and would become the The version that appears on ''Pretty Hate Machine.'' In chronological order, this is in fact the first Nine Inch Nails song ever released to the general public. Also appears on the ''Demos and Remixes'' and ''Purest Feeling II'' bootlegs as "Down In It (Demo II)." It's simply the Skin mix with an unadulterated version of the "Terrible Lie" intro tacked onto remix, but it is not listed as such on the end, which fades outalbum. ====Song Credits====*Reproduced and remixed by Adrian Sherwood, Keith LeBlanc

A mix that appears on both the ''Down In It'' and ''Head Like a Hole'' singles, running 7:00. It's basically retains the original song with an extended intro and a long instrumental area that makes up the entire latter half of the song.

A mix that appears on both the ''Down In It'' and ''Head Like a Hole'' singles, running 7:21 on the latter. It's a mostly instrumental "dub" mix of the song with minimal vocals and strange warping and mixing of the beats with heavy bass emphasis. It should be noted that this mix is actually 18 seconds longer on the ''Head Like A Hole'' (US) single than it was on the ''Down In It'' single. The reason for this is unknown, though it's probably due to the time constraints imposed on Vinyl vinyl singles compared to a full sized LP Maxi Single.