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- 1979 – Underground
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- 1979 – After Midnight Live
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- 1980 – Invasion
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- 1981 – Mark of the Beast
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- 1982 – Metal
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- 1983 – Crystal Logic
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- 1985 – Open The Gates
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- 1986 – The Deluge
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- 1987 – Mystification
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- 1988 – Live Roadkill
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- 1988 – Out of the Abyss
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- 1990 – The Courts of Chaos
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- 1992 – The Circus Maximus
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- 2001 – Atlantis Rising
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- 2002 – Spiral Castle
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- 2005 – Gates of Fire
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- 2008 – Voyager
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- 2011 – Playground of the Damned
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- 2013 – Mysterium
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- 2015 – The Blessed Curse
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- 2017 – To Kill A King