View source for Survivalism (halo)

[[Image:SurvivalismCover.jpg|thumb|Halo 23 - ''Survivalism'']]
'''''Survivalism''''' (also known as '''''[[Halo numbers|Halo 23]]''''') is the first single by [[Nine Inch Nails]] from their 2007 album ''[[Year Zero|Year Zero]]''. On March 13, 2007, the single was released digitally on iTunes, and the CD and vinyl singles were released on April 2, 2007.