Genre: Heavy Metal
Country: Germany
Publication year: 1985 – 2007
1985 – Helloween
1985 – Walls of Jericho
1987 – Future world (Single)
1987 – Keeper of the seventh keys (Part 1)
1988 – Keeper of the seventh keys (Part 2)
1989 – Live in the UK
1991 – Pink bubbles go ape
1993 – Chameleon
2006 – Keeper of the seventh keys – Legacy
2007 – Gambling with the devil