The Perfect Drug (also known as "The Perfect Drug" Versions, Halo 11), released on May 13, 1997, contains remixes of the title track, which was recorded for the Lost Highway Soundtrack.
"The Perfect Drug" Versions is available for download on iTunes, Amazon MP3 and remix.nin.com.
- "The Perfect Drug" (Meat Beat Manifesto) - 7:25
- "The Perfect Drug" (Plug) - 6:53
- "The Perfect Drug" (Nine Inch Nails) - 8:19
- "The Perfect Drug" (Spacetime Continuum) - 5:42
- "The Perfect Drug" (The Orb) - 6:11
- "The Perfect Drug" (Aphrodite)* - 6:10
- A sixth remix, by Aphrodite, is available only on the triple 12" DJ promo release, to date the only vinyl release of this Halo. The Aphrodite mix is also available to download at remix.nin.com. The original version of the song (from Lost Highway) is included as track 6 on the AU, EU and South African versions of this release. No version of this Halo was issued on cassette.
- Remix and additional production by Jack Dangers; Engineered by Josh T. Roberts at Toast Studios, S.F.
- Remix and additional production by Luke Vibert
- Remixed by Trent Reznor and Keith Hillebrandt; Engineered by Brian Pollack at Nothing Studios, New Orleans
- Recreated by Jonah Sharp
- Remixed by The Orb; Engineered by Andy Hughes
The cover art for the 2 track promo release contains a series of numbers that correspond to letters of the alphabet and when decoded, they make the lyric phrase "without you everything falls apart".