Released: 15 September 1989
Series: Halo One
TVT Records ‎– 2611-2
TVT Records ‎– TVT 2611
Format: CD, Single, SRC
Country: US

Released: 20 Oct 1989
Series: Halo Two
TVT Records ‎– TVT 2610-1
TVT Records ‎– TVT 2610
Format: Vinyl, LP, Album
Country: US

Released: 20 Oct 1989

Released: 20 Oct 1989
Series: Halo Two
TVT Records ‎– TVT 2610-2
TVT Records ‎– 2610-2
Format: CD, Album
Country: US

Released: 11 May 1999
Series: Halo Two
Nothing Records ‎– 069490374 2
Interscope Records ‎– 069490374 2
TVT Records ‎– 069490374 2
Format: CD, Album, Reissue
Country: Canada

Released: 22 Nov 2010
Series: Halo 02R
UMe ‎– B0015099-02
Format: CD, Album, Reissue, Remastered, Digipak
Country: US

Released: 07 Dec 2010
Series: Halo 02R-V
UMe ‎– B0015099-01
Format: Vinyl, LP, Vinyl, LP, Single Sided
All Media, Album, Remastered, Reissue, Gatefold
Country: US

Released: 22 Mar 1990
Series: halo three
TVT Records ‎– TVT 2615-2
Format: CD, Maxi-Single
Country: US

Released: March 22, 1990
Interscope Records ‎– 756785841-2
Format: CD, Maxi-Single, Reissue, Cardsleeve
Country: Australia

Released: 02 Sep 1991
Island Records ‎– 12-IS-484, Island Records ‎– 878 893-1
Format: Vinyl, 12", 45 RPM
Country: UK
http://nincatalog.com/head-like-a-hole/head-like-a-hole-uk-vinyl12-85/

Released: March 22, 1990
Island Records ‎– CID-484
Island Records ‎– 878 893-2
TVT Records ‎– CID-484
Format: CD, Single
Country: UK

Released: 10 Oct 1990
TVT Records ‎– TVT2617-4
Series: NIN – halo four
Format: Cassette, Single
Country: US

Released: 10 Oct 1990
Series: HALO FOUR
TVT Records ‎– TVT2617-2
Format: CD, Single
Country: US

Released: 10 Oct 1990
Series: HALO FOUR
Island Records ‎– CID 508
Island Records ‎– 866 151/2
Format: CD, Single, Digipak
Country: UK

Released: 27 Nov 2015
Series: halo I-IV
The Bicycle Music Company ‎– HALO 02B
The Bicycle Music Company ‎– BMC 2611
Format:
Vinyl, 12", 33 ⅓ RPM, Single, Reissue, 120 Gram
Vinyl, LP, Album, Reissue, 180 Gram
Vinyl, 12", 33 ⅓ RPM, Single, Reissue, 120 Gram
Vinyl, 12", 33 ⅓ RPM, Single, Reissue, 120 Gram
Box Set, Compilation, Limited Edition
Country: US

Limited Edition Box Set
RSD Black Friday release of 3,400

Released: 22 Sep 1992
Series: halo five
Nothing Records ‎– 7 92213-4
Format: Cassette, EP
Country: US

Series: halo five
Released: September 22, 1992
Nothing Records ‎– 7 92213-2
TVT Records ‎– 7 92213-2
Interscope Records ‎– 7 92213-2
Atlantic ‎– 7 92213-2
Nothing Records ‎– 92213-2
TVT Records ‎– 92213-2
Interscope Records ‎– 92213-2
Atlantic ‎– 92213-2
Format: CD, EP CD, Mini
Country: US

original release limited to 250,000 copies with 3" disc

Released: September 22, 1992
Series: halo five
Interscope Records ‎– 92213-2
Interscope Records ‎– 7 92213-2
Nothing Records ‎– 92213-2
Nothing Records ‎– 7 92213-2
Format: CD, EP, Tri-Fold Digipak
Country: US

Released:11 Aug 2017
Series: halo five
Nothing Records ‎– B0025684-01
Interscope Records ‎– B0025684-01
Format: Vinyl, 12", 33 ⅓ RPM
Single Sided, Mini-Album, Etched, 180 gram
Vinyl, 7", 45 RPM
All Media, Reissue, Remastered
Country: US

Released:1992
TVT Records ‎– 96093-4, Interscope Records ‎– 4-96093, Nothing Records ‎– 4-96093, TVT Records ‎– 4-96093, Interscope Records ‎– 96093-4, Nothing Records ‎– 96093-4
Series: NIN – halo six
Format: Cassette, Maxi-Single, SR, Dolby HX Pro
Country: US

Released: December 7, 1992
Series: halo six
1992/1996 Re-press
UK & Europe

Released: December 7, 1992
Series: halo six
Australia
Jewel case

Released: March 28, 1994
Nothing Records ‎– 854 000-7, TVT Records ‎– 854 000-7, Island Records ‎– IS 592
Series: NIN – halo seven
Format: Vinyl, 7", 45 RPM, Single Sided, Single, Etched, Limited Edition, Numbered
Country: UK
http://nincatalog.com/march-of-the-pigs/march-of-the-pigs-uk-vinyl7-238/

Released February 25, 1994
Series: halo seven (part one of two CD pack)
UK

Also includes
Released February 25, 1994
Series: halo seven (part two of two CD pack)
UK & Europe
Disc originally sold separately

1994
halo seven part two of two CD pack
UK & Europe