Year Albums Lineup Style
1974
  Paul Bowden - guitars
Mark Gallagher - guitars
John Gallagher - vocals, bass
New wave of British Heavy metal
1975
  Paul Bowden - guitars
Mark Gallagher - guitars
John Gallagher - vocals, bass
Paul Sherrif - drums
1976
  Paul Bowden - guitars
Mark Gallagher - guitars
John Gallagher - vocals, bass
Mick Kenworthy - drums
1977
  Paul Bowden - guitars
Mark Gallagher - guitars
John Gallagher - vocals, bass
Sean Taylor - drums
1978
 
1979
  Mark Gallagher - guitars
John Gallagher - vocals, bass
Pete Shore - guitars
Rob "Wacko" Hunter - drums
1980
 
1981
Rock Until You Drop Mark Gallagher - guitars
John Gallagher - vocals, bass
Rob "Wacko" Hunter - drums
1982
Wiped Out
1983
All For One
1984
 
1985
Stay Hard
1986
Mad [EP]
The Pack Is Back
1987
Life's A Bitch Mark Gallagher - guitars
John Gallagher - vocals, bass
Joe Hasselvander - drums
1988
Nothing Exceeds Like Excess
1989
 
1990
Architect Of Fear New wave of British Heavy metal
Heavy metal
1991
  Heavy metal
1992
 
1993
Heads Up [EP]
1994
Glow
1995
 
1996
 
1997
Everything Louder
1998
 
1999
 
2000
One For All
2001
 
2002
 
2003
 
2004
 
2005
 
2006
Demo [Demo]
2007
 
2008
 
2009
Walk Through Fire
2010
 
2011
 
2012
 
2013
 
2014