Threshold albums and lyrics list
Clone (1997)
Critical Mass (2010)
Critical Mass (bonus disc) (2002)
Dead Reckoning (2007)
Dead Reckoning (Expanded Edition)
Extinct Instinct (2010)
Hypothetical (2010)
March Of Progress
Nuclear Blast Showdown 2007
Psychedelicatessen (2006)
SI Magazine Compilation Disc II (The Si-Germany disc)
Subsurface (2010)
Subsurface Definitive Edition
Wireless
Wounded Land (2010)
