Fjellin
| Helloween | 16 skivor |
| Keeper of the Seven Keys Part I | 1987 (Vinyl) |
| Keeper of the Seven Keys Part II | 1988 (Vinyl) |
| Dr. Stein | 1988 (Vinyl) |
| Live in the U.K. | 1989 (Vinyl) |
| The Best, the Rest, the Rare | 1991 (CD) |
| Pink Bubbles Go Ape | 1991 (Vinyl) |
| The Time Of The Oath | 1996 (CD) |
| The Time of the Oath | 1996 (CD) |
| Better Than Raw | 1998 (CD) |
| Rabbit Don't Come Easy | 2003 (CD) |
| Keeper of the Seven Keys: The Legacy | 2005 (CD) |
| Light the Universe | 2006 (CD) |
| 7 Sinners | 2010 (CD) |
| Heir Apparent | 1 skiva |
| One Small Voice | 1989 (Vinyl) |
| Heed | 1 skiva |
| The Call | 2005 (CD) |
| Heavy Metal Perse / Guardians of Mankind | 1 skiva |
| Heavy Metal Perse / Guardians of Mankind | 2004 (CD) |
| Heavens Gate | 6 skivor |
| Livin' in Hysteria | 1991 (Vinyl) |
| Hell for Sale! | 1992 (CD) |
| Planet E. | 1996 (CD) |
| In The Mood | 1997 (CD) |