[[Image:halo2.jpg|thumb|200px|Halo 2: ''Pretty Hate Machine'']]
'''''Pretty Hate Machine''''' (also known as '''''[[Halo numbers|Halo 2]]''''') is the first studio album by [[Nine Inch Nails]], released on October 20, 1989 by [[Interscope|Interscope Records]] and was a huge success. The first single off of the album, ''[[Down In It (halo)|Down In It]]'', was released on September 27, 1989.
It received radio airplay for the aforementioned "[[Down In It (song)|Down In It]]" as well as subsequent singles "[[Head Like A Hole (song)|Head Like A Hole]]" and "[[Sin (song)|Sin]]".