Genre: Speed / Heavy / Power Metal
Country: Hamburg, Germany
Year of publication: 1984 – 2018
Studio albums
1985 – Walls Of Jericho (88561-8093-2, Made In Japan For Combat / Noise, USA, 1986)
1985 ~ 86 – Helloween – Walls Of Jericho – Judas (VDP-28058, 05/10/89)
1987 – Keeper Of The Seven Keys Part I (W-Ger, N 0061, RTD CD 345.0061.2, Made in France)
1988 – Keeper Of The Seven Keys Part II (US, RCA 8529-2-R)
1991 – Pink Bubbles Go Ape (VICP-8041, 03/27/92)
1993 – Chameleon (VICP-8103, 02.06.93)
1994 – Master Of The Rings (US, Castle 101-2, 2CD) + Bonus tracks (RAW PD 101, Germany, UK Distribution)
1994 – Master Of The Rings (VICP-8131, 08.24.94) + Bonus Interview CD (CSC 7150-2, Digipack, Germany)
1996 – The Time Of The Oath (VICP-5682, 01.03.96)
1998 – Better Than Raw (VICP-60235, 03/04/98)
1999 – Metal Jukebox (VICP-60800, 09/08/99)
2000 – The Dark Ride (Rus, Irond CD 00-1)
2000 – The Dark Ride (VICP-61169, 21.10.00)
2003 – Rabbit Don’t Come Easy (VICP-62323, 17.05.03) + Bonus track for Europe
2005 – Keeper Of The Seven Keys – The Legacy (2CD, VICP-63161 ~ 2, 31.10.05)
2007 – Gambling With The Devil (Special Edition) (2CD, VICP-64047 ~ 8, 23.01.08) + US Tour Edition Bonus Disc 2008
2010 – 7 Sinners (VICP-64890, 27.10.10) + Bonus track for Europe
2013 – Straight Out Of Hell (SHM-CD, VIZP-113) + Bonus track for Europe
2015 – My God-Given Right (NB 3344-8, 2CD) + Japan bonus track (VIZP-136)
Remasters and Extended Editions
1985-86 – Walls Of Jerico (Expanded Edition, 2006, 2CD)
1987 ~ 88 – Keeper Of The Seven Keys Parts I, II (10th Anniversary, VICP-40134 ~ 5, 23.02.94)
1987 – Keeper Of The Seven Keys Part I (Expanded Edition, 2006)
1988 – Keeper Of The Seven Keys Part II (Expanded Edition, 2006, 2CD)
1987-88 – Keeper Of The Seven Keys Parts I & II (2CD Deluxe Edition, 2010)
1991 – Pink Bubbles Go Ape (Expanded Edition, 2006)
1993 – Chameleon (Expanded Edition 2CD, 2006)
1994 – Master of the Rings (Expanded Edition 2CD, 2006)
1996 – The Time Of The Oath (Expanded Edition 2CD, 2006)
1998 – Better Than Raw (Expanded Edition, 2006)
Concert performances
1989 – I Want Out – Live (US, BMG 5125-2)
1989 – Live In The U.K (Switzerland, CDP-564-7 92371 2)
1996 – High Live (US, Castle 125-2, 2CD)
2007 – Keeper Of The Seven Keys – The Legacy – World Tour 2005-06 (EU, SPV 97592 2CD)