| Gamma Ray Albums |
| album | date | label |
| Land Of The Free | 23 Nov 2009 | Sanctuary Records Fontana |
| No World Order | 20 Oct 2009 | Sanctuary Records Fontana |
| Majestic | 8 Sep 2009 | Sanctuary Records Fontana |
| Heading For Tomorrow | 8 Dec 2009 | Sanctuary Records Fontana |
| Somewhere Out In Space | 8 Dec 2009 | Sanctuary Records Fontana |
| Power Plant | 23 Nov 2009 | Sanctuary Records |
| Powerplant | 20 Mar 1999 | Noise |
| Insanity And Genius | 6 Oct 2009 | Sanctuary Records |
| Sigh No More | 14 Dec 2010 | Sanctuary Records |
| To The Metal! | 14 Feb 2010 | Earmusic |
| Blast From The Past | 2 Feb 2010 | Sanctuary Records |
| Skeletons In The Closet | 14 Dec 2010 | Sanctuary Records |
| Alive '95 | 2 Feb 2010 | Sanctuary Records |
| The Karaoke Album | 27 Sep 1997 | |
| Skeletons & Majesties | 31 May 2011 | Eagle Rock (US)/Armoury Records |
| Insanity & Genius | 18 Mar 2003 | Noise |
| Land of the free Pt. II | | SPV |
| Silent Miracles | 28 Mar 2001 | Noise |
| Heaven Can Wait | 0 Oct 1990 | Noise |
| Blast From the Past (disc 1) | | Sanctuary |
| Valley of the Kings | 16 Nov 1999 | Noise Records |
| Rebellion in Dreamland | 1995 | |
| Future Madhouse | 1993 | Territory |
| Heaven Or Hell | 1 Aug 2001 | Jvc Victor |
| Blast From the Past (disc 2) | 2000 | |
| Sign No More | | |
| Who Do You Think You Are? | 1990 | Noise |
| Skeletons in the Closet (disc 1) | | |
| Lust for Live | 1 Mar 2005 | |
| Skeletons in the Closet (disc 2) | 21 Aug 2003 | |
| Alive '95 (disc 1) | | |
| Skeleton in the Closet | | |
| Who Do You Think You Are | | |
| Alive '95 (disc 2) | 1996 | |
| Heading for the East (disc 1) | 1990 | |
| Ultimate Collection | 30 Sep 2003 | Noise |
| Lust for Live 93 | | |
| Skelton In The Closet | | |
| Heading for the East (disc 2) | | |
| Karaoke Album | 1 Oct 1997 | Victo |
| Powerplanet | | |
| Revelion in Dream Land | | F.A.D. |
| Karoke Album-Instrumental Ver | | |
| Blast from the Past 1 | | |
| Heven Or Hell | | |
| Land of the Free Bonus | | |
| Alive’95 | | |
| Land Of The Free: II | | |