1984 Night on Brocken
1985 The Spectre Within
1986 Awaken the Guardian
1988 No Exit
1989 Perfect Symmetry
1991 Parallels
1994 Inside Out
1997 Pleasant Shade of Gray
1998 Still Life
2000 Disconnected
2004 FWX
2013 Darkness in a Different Light
2016 Theories of Flight
2020 Long Day Good Night