Halo numbers
Halo numbers are the numbers assigned to pieces of the NIN discography so that a collection can be neatly ordered, supplied, and bragged about.
Halos
HALO_01 - Down In It (1989)
HALO_02 - Pretty Hate Machine (1989)
HALO_03 - Head Like A Hole (1990)
HALO_04 - Sin (1990)
HALO_05 - Broken (1992)
HALO_06 - Fixed (1992)
HALO_07 - March Of The Pigs (1994)
HALO_08 - The Downward Spiral (1994)
HALO_09 - Closer To God (1994)
HALO_10 - Further Down The Spiral (1995)
HALO_11 - The Perfect Drug (1997)
HALO_12 - Closure (1997)
HALO_13 - The Day The World Went Away (1999)
HALO_14 - The Fragile (1999)
HALO_15 - We're In This Together (1999)
HALO_16 - Things Falling Apart (2000)
HALO_17 - And All That Could Have Been (2002) / Still (2002)
HALO_18 - The Hand That Feeds (2005)
HALO_19 - With Teeth (2005)
HALO_20 - Only (2005)
HALO_21 - Every Day Is Exactly The Same (2006)
HALO_22 - Beside You In Time (2007)
HALO_23 - Survivalism (2007) or (-15 B.A.)
HALO_24 - Year Zero (2007) or (-15 B.A.)