Catalogue Metal List O
  Oakenshield England Gylfaginning 2008 Viking/Folk/Metal 23 / 15 / 16
    Legacy 2012 Viking/Folk/Metal  
  Oakhelm Usa Betwixt and between 2007 Black/Folk 23 / 15 / 16
    Echtra 2011 Black/Folk  
  Oath, the France 4 2008 Melodic black/Death 23 / 15 / 16
    Self-destructed 2010 Melodic black/Death 23 / 15 / 16
  Oathean Korea Fading away into the grave of nothingness 2005 Melodic black/Death 19 / 13 / 13
    The last desperate 10 years as ever 2003 Melodic black/Death 26 / 17 / 18
    Ten days in lachrymation 2001 Melodic black/Death 26 / 17 / 18
    The eyes of tremendous sorrow + As a solitary tree against the sky 2005 Melodic black/Death 23 / 15 / 16
  Oath of cirion Finland Dragonmagick 2001 Black/Atmos 25 / 17 / 17
  Oberon Norway S/T (Ep) 1995 Metal/Atmos 19 / 13 / 13
  Oberon Australia All there is (Ep) 2015 Metal/Symph  
  Obligatorisk tortyr Sweden S/T 2001 Death/Grind 23 / 15 / 16
  Obliteration Norway Perpetual decay 2007 Death 13 / 9 / 9
  Obliveon Canada (Qc) Carnivore mothermouth 1999 Cyber 21 / 14 / 14
    Carnivore mothermouth 2007 Cyber 17 / 11 / 12
    Cybervoid 1997 Cyber 18 / 12 / 12
    Cybervoid 2007 Cyber 17 / 11 / 12
    Planet claire (Ep) 1998 Cyber 8 / 6 / 6
    Nemesis 1993 Cyber 21 / 14 / 14
    Nemesis 2007 Cyber 17 / 11 / 12
    From this day forward 1990 Cyber 21 / 14 / 14
    From this day forward 2007 Cyber 17 / 11 / 12
    Greatest pits (Compilation) 2002 Cyber 19 / 13 / 13
  Oblivio Italy Dreams are distant memories 2007 Metal/Rock/Doom 23 / 15 / 16
  Oblomov Czech republic Mighty cosmic dances 2005 Black/Death 23 / 15 / 16
  Obitania Spain Pagan crystal sphere 2001 Ambiant 25 / 17 / 17
  Obituary Usa Cause of death 1990 Death 22 / 15 / 15
    World demise 1994 Death 21 / 14 / 14
    The end complete 1992 Death 26 / 17 / 18
    Back from the dead 1997 Death 21 / 14 / 14
    Slowly we rot 1989 Death 22 / 15 / 15
    Anthology (Compilation) 2001 Death 23 / 15 / 16
    Slowly we rot + Cause of death (2CD) 2003 Death 23 / 15 / 16
    The end complete + World demise (2CD) 2004 Death 26 / 17 / 18
    Frozen in time 2005 Death 17 / 11 / 12
    Xecutioner's return 2007 Death 19 / 13 / 13
    Xecutioner's return (DGP) 2007 Death 28 / 19 / 19
    The best of obituary (Compilation) 2007 Death 16 / 11 / 11
    Left to die (Ep) 2008 Death 9 / 6 / 6
    Darkest day 2009 Death 19 / 13 / 13
    Darkest day (SE) 2009 Death 21 / 14 / 14
    The complete roadrunner collection 1989-2005 (6CD) 2013 Death  
    Inked in blood 2014 Death  
    Inked in blood (DGP) 2014 Death  
    Ten thousand ways to die 2016 Death  
    S/T (DGP) 2017 Death  
  Obscene eulogy Finland Defining hate - the truth undead 2004 Nuclear black 23 / 15 / 16
  Obscenity Germany The 3rd chapter 1996 Death 23 / 15 / 16
    Intense (DGP) 2000 Death 25 / 17 / 17
    Human barbecue 1998 Death 23 / 15 / 16
    Demo-niac (Demo) 1999 Death 23 / 15 / 16
    Cold blooded murder 2002 Death 26 / 17 / 18
    Where sinners bleed 2006 Death 21 / 14 / 14
    Where sinners bleed (DGP) 2006 Death 26 / 17 / 18
    Retaliation 2016 Death  
  Obscura Germany Cosmogenesis 2009 Death/Prog 16 / 11 / 11
    Retribution 2010 Death/Prog 17 / 11 / 12
    Omnivium 2011 Death/Prog 17 / 11 / 12
    Akroasis 2016 Death/Prog  
    Diluvium 2018 Death/Prog  
  Obscurant Finland Lifeform: dead 2002 Death/Doom/Black 26 / 17 / 18
    First degree suicide 2005 Melodic death/Gothic 23 / 15 / 16
  Obscurcis romancia Canada (Qc) Le rgne du seigneur de perdition (Demo) 2001 Melodic black 9 / 6 / 6
    S/T 2002 Melodic black 17 / 11 / 12
    Theatre of deception 2011 Melodic black/Death  
  Obscure devotion Italy Son of a dayless night 1999 Black 25 / 17 / 17
  Obscurity Sweden Damnations pride 1998 Death 24 / 16 / 16
  Obscurity Germany Schlachten & legenden 2007 Melodic black 23 / 15 / 16
    Vintar 2014 Black/Viking  
  Obscurus advocam France Verbia daemonicus 2007 Black 19 / 13 / 13
  Obsecration Greece Seeds of a pervert god 2006 Death 23 / 15 / 16
    Into the bloodemonium 2013 Death  
  Obsession Usa Order of chaos 2012 Power/Heavy  
  Obsidian England On the path of others we feed 2001 Death 21 / 14 / 14
  Obsidian Holland Emerging 2007 Death/Prog 23 / 15 / 16
    Point of infinity 2010 Death/Prog 19 / 13 / 13
  Obsidian gate Germany The nightspectral voyage 1999 Black/Atmos 27 / 18 / 18
    Colossal christhunt 2001 Symphonic black 27 / 18 / 18
  Obsidian tongue Usa A nest of ravens in the throat of time 2013 Black/Atmos  
  Obsidieth Australia In loss of all (CDR) 2009 Death/Black/Symph 21 / 14 / 14
    Winter (Ep) 2013 Death/Black/Symph  
  Obsolete incarnation Germany Eradication of society (Ep) 2017 Death  
  Obsolete mankind Canada (Qc) Dystopian heuristics 2018 Death  
  Obstruction Hungary horizont 2003 Heavy 23 / 15 / 16
    Uj vr 2000 Heavy 23 / 15 / 16
  Obtained enslavement Norway Soulblight (DGP) 1998 Black 21 / 14 / 14
    Witchcraft 1997 Black 24 / 16 / 16
    The shepherd and the hounds of hell 2000 Black 23 / 15 / 16
  Obtenebris Canada (Qc) S/T (Ep) 2005 Melodic death/Doom 8 / 6 / 6
  Obtest Lithuania Auka seniems dievams 2001 Metal/Viking 26 / 17 / 18
    Is kartos i karta (DGB) 2005 Metal/Viking 26 / 17 / 18
    Turstantmetis 2007 Metal/Viking 23 / 15 / 16
    Gyvybs Medis (DGP) 2008 Metal/Viking 23 / 15 / 16
    Gyvybs Medis (DGB) 2008 Metal/Viking 26 / 17 / 18
  Occult Holland Of flesh and blood 1999 Black 28 / 19 / 19
    Rage to revenge (DGB) 2002 Death/Black/Thrash 28 / 19 / 19
    Elegy for the weak 2004 Death/Black 23 / 15 / 16
    Studio demo/Prepare to meet thy doom/The enemy within (2CD) 2004 Death/Black 26 / 17 / 18
    The enemy within 2005 Death/Black 23 / 15 / 16
  Oceano Usa Depths (CD+DVD) 2009 Death 19 / 13 / 13
  Oceans of sadness Belgium For we are 2000 Doom/Atmos. 25 / 17 / 17
    Laughing tears - crying smile 2002 Doom/Atmos 26 / 17 / 18
    Mirror palace 2007 Death/Prog 26 / 17 / 18
    The arrogance of ignorance 2008 Death/Prog/Atmos 21 / 14 / 14
  Ocean, the Germany Aeolian 2006 Neo-death/Core 17 / 11 / 12
    Precambrian (2CD) 2007 Neo-death/Core/Ambiant 16 / 11 / 11
    Fluxion 2009 Neo-death/Core 16 / 11 / 11
    Heliocentric 2010 Neo-death/Core 16 / 11 / 11
    Anthropocentric 2010 Neo-death/Core 17 / 11 / 12
    Pelagial (2CD DGP) 2013 Neo-death/Core  
    Phanerozoic I palaeozoic 2018 Neo-death/Core  
  Oceanwake Finland Kingdom 2012 Death/Doom/Prog  
  Octagon Usa Artisans of cruelty 2005 Black/Death 23 / 15 / 16
  Octavia sperati Norway Winter enclosure 2005 Doom/Atmos 23 / 15 / 16
    Grace submerged 2007 Gothic/Doom 21 / 14 / 14
  Octinomos Sweden Welcome to my planet 1999 Black 21 / 14 / 14
    Fuckhole armageddon 2001 Black 20 / 13 / 14
  October falls Finland Tuoni (Ep instrumental) 2005 Acoustic/Atmos 16 / 11 / 11
    Marras 2005 Acoustic/Atmos 23 / 15 / 16
    Sarastus (Ep instrumental) 2007 Acoustic/Atmos 16 / 11 / 11
    A collapse of faith 2010 Dark/Folk/Ambiant 23 / 15 / 16
    The plague of a coming age 2013 Dark/Folk/Ambiant  
  October tide Sweden Grey dawn 1999 Melodic doom/Death 23 / 15 / 16
    Grey Dawn (DGP) 2007 Melodic doom/Death 13 / 9 / 9
    Rain without end 2009 Melodic doom/Death 19 / 13 / 13
    Rain without end (DGP) 2009 Melodic doom/Death 26 / 17 / 18
    A thin shell 2010 Melodic doom/Death 19 / 13 / 13
    Tunnel of no light 2013 Melodic doom/Death  
    Winged waltz (DGP) 2016 Melodic doom/Death  
  October 31 Usa Visions of the end   Heavy/Thrash 18 / 12 / 12
    Meet thy maker   Heavy/Thrash 18 / 12 / 12
    The fire awaits you   Heavy/Thrash 18 / 12 / 12
  Octopurath France Spawned beyond the oneiric abyss (Ep) 2016 Death  
  Ocultan Brazil Bellicus profanus 1999 Black 25 / 17 / 17
    Remembrances of evil, the crucifixion 2001 Black 25 / 17 / 17
  Odal Germany Einst verehrt von allen (Ep) 2003 Black 18 / 12 / 12
    Sturmes brut 2004 Black 26 / 17 / 18
  Odd dimension Italy Symmetrical 2011 Prog-metal 16 / 11 / 11
    The last embrace to humanity 2013 Prog-metal  
  Oddyssey Canada (Qc) Crimson skies (CDR) 2005 Gothic/Atmos 12 / 8 / 8
  Odelegger Germany The end of tides 2004 Black 26 / 17 / 18
  Odes of ecstasy Greece Embossed dream in four acts 1999 Gothic/Doom 21 / 14 / 14
    Deceitful melody 2001 Gothic/Doom 21 / 14 / 14
  Odhinn Sweden From a splendourous battle (Ep)   Black 15 / 10 / 10
     The north brigade 1999 Black 21 / 14 / 14
  Odious Egypt Mirror of vibrations 2007 Melodic black/Ethnic 23 / 15 / 16
  Odious mortem Usa Devouring the prophecy 2004 Death 23 / 15 / 16
  Odious sanction Usa Psychotically enraged 2000 Death 23 / 15 / 16
  Odium Norway The sad realm of the stars 1999 Black 28 / 19 / 19
  Odium nova Russia Death comes sudden (2CD) 2013 Melodic death  
  Odroerir Germany Lasst euch sagen aus alten tagen   Black/Viking 26 / 17 / 18
    Das erbe unserer ahnen (CD+DVD DGB) 2017 Black/Viking  
  Odyssea Italy Tears in floods 2004 Power/Prog 23 / 15 / 16
  Odyssey Sweden S/T (Ep) 1999 Melodique metal 15 / 10 / 10
  Ofermod Sweden Thaumiel 2012 Black/Death  
  Offending France Human concept 2010 Death 19 / 13 / 13
  Officium triste Holland The pathway 2001 Doom/Atmos 26 / 17 / 18
    Reason 2004 Doom/Atmos 26 / 17 / 18
    Giving yourself away 2007 Doom/Atmos 23 / 15 / 16
    Charcoal hearts - 15 years of hurt (Compilation) 2009 Doom/Atmos 23 / 15 / 16
    Mors Viri 2013 Doom/Atmos  
  Officium triste/Ophis   Immersed (Split) 2012 Doom/Atmos  
  Of the archaengel Brazil The extraphysicallia 2009 Melodic dark 23 / 15 / 16
  Of the wand & the moon Denmark Nighttime nightrhymes 1999 Celtic/Atmos 25 / 17 / 17
    Emptiness:emptiness:emptiness 2001 Celtic/Atmos 25 / 17 / 17
    Emptiness:emptiness:emptiness (DGP) 2006 Celtique/Atmos 23 / 15 / 16
    Lucifer 2003 Celtic/Atmos 26 / 17 / 18
    Midnight will (Ep) 2004 Celtic/Atmos 21 / 14 / 14
  Of wrath and ruin Usa Conquering oblivion 2011 Prog-metal  
  Ogmias Czech republic Keltsku huev 2001 Black 26 / 17 / 18
  Ognivir Ukraine I 2014 Black  
  Ojeda, eddie Usa Axes 2 axes 2005 Rock 23 / 15 / 16
  ken Sweden S/T 2015 Doom/Stoner/Prog  
  Oknos Germany Old world 2017 Metal/Symph  
  Olc sinnsir France The throne of dead emotions 2003 Black 26 / 17 / 18
  Old dead tree, the France The nameless disease 2003 Gothic/Black 26 / 17 / 18
    The perpetual motion 2005 Heavy/Gothic 19 / 13 / 13
    The water fields 2007 Heavy/Gothic 19 / 13 / 13
  Old forest   Into the old forest 1998 Black 26 / 17 / 18
  Old funeral Norway The older ones   Death/Black 21 / 14 / 14
  Old grandad   The last upper 1999 Stoner 19 / 13 / 13
  Old man's child Norway Born of the flickering 1997 Black 21 / 14 / 14
    Born of the flickering (DGP) 1997 Black 21 / 14 / 14
    Ill-natured spiritual invasion 1998 Black/Heavy 21 / 14 / 14
    The pagan prosperity 1997 Black 21 / 14 / 14
    Revelation 666 2000 Black 19 / 13 / 13
    Revelation 666 (DGP) 2000 Black 25 / 17 / 17
    In defiance of existence 2003 Black 21 / 14 / 14
    Vermin 2005 Black 17 / 11 / 12
    Slaves of the world 2009 Black 19 / 13 / 13
    Slaves of the world (DGP) 2009 Black 30 / 20 / 20
  Old silver key Ukraine Tales of wanderings 2011 Metal/Atmos  
  Old throne Brazil O novo mundo pagao 2013 Black  
  Old wainds Russia Death nord kult 2009 Black 19 / 13 / 13
  Olemus Germany Psycho-path (Ep) 1998 Melodic metal 14 / 10 / 10
    Bitter tears 1999 Melodic metal 19 / 13 / 13
    Passionfall 2001 Melodic metal 25 / 17 / 17
    Egod 2002 Melodic metal 26 / 17 / 18
  Olen'k France Silently noisy 2005 Dark/Ambiant 26 / 17 / 18
  Olethrio rigma Greece Kill all the children 2002 Metal 25 / 17 / 17
  Oliva Usa Raise the curtain (DGP) 2013 Prog-metal/Rock  
  Olympos mons Finland Conquistador 2004 Power 23 / 15 / 16
    Medievil 2007 Power 23 / 15 / 16
  Olzon, anette Sweden Shine 2014 Rock/Gothic  
  Om Usa Pilgrimage 2007 Doom/Stoner  
  Omega lithium Croatia Dreams in formaline 2009 Gothic/Indus 21 / 14 / 14
    Kinetik 2011 Gothic/Indus 26 / 17 / 18
  Omen Usa Eternal black dawn 2003 Power  
    Hammer damage 2016 Power  
  Ominous Sweden The spectral manifest 2000 Death/Thrash 23 / 15 / 16
    Void of infinity 2002 Death/Thrash 23 / 15 / 16
  Ominous grief Turkey Nothing in remembrance 2007 Melodic black/Gothic 23 / 15 / 16
  Omnium gatherum Finland Steal the light (Ep)   Melodic death/Black 18 / 12 / 12
    Spirits and august light 2003 Melodic death/Black 26 / 17 / 18
    Spirits and august light + Steal the light 2004 Melodic death/Black 26 / 17 / 18
    Years in waste 2004 Melodic death/Black 23 / 15 / 16
    Stuck here on snakes way 2007 Melodic death 21 / 14 / 14
    The redshift 2008 Melodic death 19 / 13 / 13
    New world shadows 2011 Melodic death 21 / 14 / 14
    Grey heavens 2016 Melodic death  
    Grey heavens (DGP) 2016 Melodic death  
    The burning cold (DGP) 2018 Melodic death  
  Ominous Spain Merciless jaws from hell 2011 Thrash  
  Omit Norway Medusa truth part I 2014 Doom/Atmos  
  Omophagia Switzerland In the name of chaos 2016 Death  
  Once human Usa The life I remember (DGP) 2015 Melodic death  
    Evolution 2017 Melodic death  
  Once there was Sweden Where angels grow (CDR) 2007 Gothic/Symph 21 / 14 / 14
  Oncology England Infinite regress 2016 Death  
  Ondskapt Sweden Draco sit mihi dux 2002 Black/Death 26 / 17 / 18
    Ddens evangelium 2004 Black 26 / 17 / 18
    Arisen from the ashes 2010 Black 23 / 15 / 16
  One machine England The distortion of lies and the overdriven truth (DGP) 2014 Power/Thrash/Prog  
  One man army and the undead quartet Sweden 21st century killing machine 2006 Death/Thrash 21 / 14 / 14
    Error in evolution (DGP) 2007 Death/Thrash 26 / 17 / 18
    Error in evolution 2007 Death/Thrash 21 / 14 / 14
    Grim tales 2008 Death/Thrash 23 / 15 / 16
    Grim tales (CD+DVD/PAL DGP) 2008 Death/Thrash 26 / 17 / 18
    The dark epic 2008 Death/Thrash 26 / 17 / 18
  One-way mirror France S/T 2008 Metal/Rock/Indus 16 / 11 / 11
  One without Sweden Thoughts of a secluded mind 2009 Gothic 21 / 14 / 14
    Sweet relief 2011 Gothic  
  Onirik Portugal Songs for the apocalipse 2005 Black 23 / 15 / 16
  Onirik Italy Ab initio 2016 Death  
  Onirik illusion France The 13th hour 2017 Gothic/Symph  
  Only fate remains Holland Breathe 2011 Gothic  
  Ono turmna Switzerland In stille trauer   Black/Atmos 25 / 17 / 17
  Onslaught England Power from hell 2005 Thrash 21 / 14 / 14
    The force 2005 Thrash 21 / 14 / 14
    Killing peace 2007 Thrash 21 / 14 / 14
    Live damnation (CD/DVD Dual) 2009 Thrash 19 / 13 / 13
    Sounds of violence 2011 Thrash 23 / 15 / 16
    Sounds of violence (DGP) 2011 Thrash 28 / 19 / 19
    VI (DGP) 2013 Thrash  
  Ontario blue   Waiting for rain 2000 Ambiant 25 / 17 / 17
  On thorns I lay Greece Orama 1997 Atmospheric 23 / 15 / 16
    Sounds of beautiful experience 1995 Atmospheric death 24 / 16 / 16
    Crystal tears 1999 Gothic/Atmospheric 23 / 15 / 16
    Future Narcotic (DGP) 2000 Gothic/Atmospheric 19 / 13 / 13
    Future Narcotic (Re-edition) 2001 Gothic/Atmospheric 23 / 15 / 16
    Future Narcotic 2005 Gothic/Atmospheric 23 / 15 / 16
    Angeldust 2001 Gothic/Atmospheric 25 / 17 / 17
    Egocentric 2003 Gothic 23 / 15 / 16
    Eternal silence 2015 Gothic  
    Aegean sorrow 2018 Gothic/Atmos  
  Ontos on Canada (Qc) Sombre chaotic entrance (Ep) 2000 Black 15 / 10 / 10
  Onward Usa Evermoving 2001 Prog-metal/Power 20 / 13 / 14
    Reawaken 2002 Power 20 / 13 / 14
  Onyx eyes Germany Delights and tears 2008 Gothic/Prog 23 / 15 / 16
  Open access Poland Toward the wilderness 2017 Folk/Metal  
  Open grave Usa The heavens cry black tears (Ep) 2004 Black 16 / 11 / 11
  Opeth Sweden Orchid 1996 Death/Black/Prog 17 / 11 / 12
    Orchid (TIN CAN) 2003 Death/Black/Prog 26 / 17 / 18
    Morningrise 1997 Death/Black/Prog 17 / 11 / 12
    Morningrise (TIN CAN) 2003 Death/Black/Prog 26 / 17 / 18
    My arms, your hearse 1998 Death/Black/Prog 17 / 11 / 12
    My arms, your hearse (TIN CAN) 2003 Death/Black/Prog 26 / 17 / 18
    Still life 1999 Death/Black/Prog 25 / 17 / 17
    Still life (DGP) 2003 Death/Black/Prog 13 / 9 / 9
    Still life (CD+DVD DGB) 2008 Death/Black/Prog 16 / 11 / 11
    Blackwater park 2001 Death/Black/Prog 21 / 14 / 14
    Blackwater park (2cds) 2002 Death/Black/Prog 23 / 15 / 16
    Blackwater park 2006 Death/Black/Prog 17 / 11 / 12
    Blackwater park + Deliverance (2CD) 2007 Death/Black/Prog 21 / 14 / 14
    Blackwater park (CD+DVD DGB) 2010 Death/Black/Prog 28 / 19 / 19
    Deliverance 2002 Death/Black/Prog 21 / 14 / 14
    Deliverance (DGP) 2002 Death/Black/Prog 28 / 19 / 19
    Deliverance 2006 Prog 17 / 11 / 12
    Deliverance & damnation (2CD+2DVDA DGB) 2015 Prog  
    Damnation 2003 Prog 22 / 15 / 15
    Damnation 2006 Prog 17 / 11 / 12
    Ghost reveries 2005 Death/Black/Prog 16 / 11 / 11
    Ghost reveries (CD+DVD) 2006 Death/Black/Prog 21 / 14 / 14
    Collector's edition slipcase (4CD) 2006 Death/Black/Prog 35 / 23 / 24
    The roundhouse tapes (Live 2CD DGP) 2007 Death/Black/Prog 19 / 13 / 13
    The roundhouse tapes (2CD+DVD DGP) 2010 Death/Black/Prog 23 / 15 / 16
    Watershed 2008 Death/Black/Prog 16 / 11 / 11
    Watershed (CD+DVD) 2008 Death/Black/Prog 21 / 14 / 14
    String tribute 2008 Classical 11 / 8 / 8
    The candlelight years (3CD) 2009 Death/Black/Prog 23 / 15 / 16
    Heritage 2011 Prog-metal/Rock  
    Heritage (CD+DVD DGP) 2011 Prog-metal/Rock  
    Pale communion 2014 Prog-metal/Rock  
    Pale communion (CD+BR DGP) 2014 Prog-metal/Rock  
    Sorceress 2016 Prog-metal/Rock  
    Sorceress (2CD DGP) 2016 Prog-metal/Rock  
    Garden of the titans - opeth live at red rocks amphitheatre (2CD+DVD+BR DGP) 2018 Prog-metal/Rock  
  Ophelia's dream   All beauty is sad (DGP) 2002 Dark/Gothic/Ambiant 26 / 17 / 18
    Not a second time 2004 Dark/Gothic/Ambiant 28 / 19 / 19
  Ophidian spell France S/T (Ep) 2012 Death/Gothic/Symph  
    Nux / hmera 2016 Death/Gothic/Symph  
  Ophthalamia Sweden Via dolorosa 1997 Death/Black 18 / 12 / 12
    Via dolorosa (Import) 1997 Death/Black 24 / 16 / 16
    Via dolorosa 2009 Black/Doom 13 / 9 / 9
    Dominion 1998 Death/Black 24 / 16 / 16
    A long journey   Death/Black 18 / 12 / 12
    A journey in darkness 2009 Black/Doom 13 / 9 / 9
  Opium doll Russia Dark bloom 2017 Gothic/Symph  
  Oppression Finland Scars 1988-1990 2015 Death/Thrash/Doom  
  Oppressor Usa Agony 1996 Death 20 / 13 / 14
    Elements of corrosion 1998 Death 19 / 13 / 13
    Solstice of oppression   Death 20 / 13 / 14
  Opprobium (Incubus) Usa Discerning forces 2000 Death 22 / 15 / 15
    Discerning forces (DGP) 2008 Death/Thrash 23 / 15 / 16
    Serpent temptation (DGP) 2008 Death/Thrash 23 / 15 / 16
    Beyond the unknown (DGP) 2008 Death/Thrash 23 / 15 / 16
    Mandatory evac (DGP) 2008 Death/Thrash 23 / 15 / 16
  Opera diabolicus Sweden 1614 2011 Heavy/Gothic/Prog  
  Operadyse France Hope era dies (Ep) 2009 Symphonic power 15 / 10 / 10
    Pandemonium 2013 Symphonic power  
  Opera IX Italy The call of the wood   Occult black 25 / 17 / 17
    Sacro culto 1998 Occult black 26 / 17 / 18
    Sacro culto 2005 Occult black 23 / 15 / 16
    Sacro culto 2009 Occult black 15 / 10 / 10
    The black opera : symphoniae mysteriorum ... 2000 Occult black 23 / 15 / 16
    The call of the wood (Re-edition) 2001 Occult black 13 / 9 / 9
    Maleventum 2002 Occult black 26 / 17 / 18
    Anphisbena 2004 Occult black 21 / 14 / 14
  Opera magna Spain Del amor y otros demonios act.I 2014 Power  
  Operatika Usa The calling 2008 Symphonic power 23 / 15 / 16
  Operation : mindcrime Usa Resurrection 2016 Prog-metal/Rock  
  Operation winter mist Canada Winter warfare II 2003 Black 23 / 15 / 16
  Opvs atlantica Sweden S/T 2002 Power 23 / 15 / 16
     O quam tristis... France Le rituel sacr 2002 Atmospheric 26 / 17 / 18
    Funrailles des petits enfants 2000 Atmospheric 26 / 17 / 18
  Oracle sun Italy Deep inside 2005 Power/Prog 21 / 14 / 14
  Oracles Belgium Miserycorde 2016 Melodic death  
  Orakle France Tourments & perdition 2008 Black/Atmos 23 / 15 / 16
  Orange goblin England The big black 2000 Stoner 25 / 17 / 17
    A eulogy for the damned 2012 Stoner  
    Back from the abyss (DGP) 2014 Stoner  
  Oranssi pazuzu Finland Vrhtelij 2016 Black/Psych  
  Oratory Portugal Illusion dimension 2000 Power 23 / 15 / 16
    Beyond earth 2002 Power 23 / 15 / 16
  Orchid Usa The zodiac sessions (DGP) 2013 Doom  
  Orcustus Norway S/T 2009 Black 19 / 13 / 13
  Ordalion Russia Black messiah 2005 Melodic black 26 / 17 / 18
  Ordeal, the Germany Kings of pain 2004 Heavy 23 / 15 / 16
  Orden ogan Germany Vale 2008 Power/Heavy/Folk 23 / 15 / 16
    Easton hope 2010 Power 23 / 15 / 16
    Easton hope (DGP) 2010 Power 26 / 17 / 18
    To the end (CD+DVD DGP) 2012 Power  
    Ravenhead (CD+DVD DGP) 2015 Power  
  Order of apollyon, the England The flesh 2010 Black/Death 23 / 15 / 16
  Order of chaos, the Canada Apocalypse moon 2015 Heavy/Power/Thrash  
  Order of ennead Usa S/T (CD+DVD) 2008 Death/Black 19 / 13 / 13
    An examination of being 2010 Death/Black 19 / 13 / 13
  Order of israfel, the Sweden Wisdom (DGP) 2014 Doom  
  Order of the ebon hand Greece XV : the devil 2005 Black 26 / 17 / 18
  Order, the Switzerland Son of armageddon 2006 Melodic heavy 23 / 15 / 16
  Ordher, the Brazil Weaponize 2007 Death 19 / 13 / 13
  Ordo draconis Holland The wing & the burden 2001 Symphonic black 25 / 17 / 17
  Ordo funebris Spain Cantar a la morte : fabula triste 2003 Ambiant/Medieval 26 / 17 / 18
    Songs from the enchanted garden 2003 Ambiant/Medieval 26 / 17 / 18
  Ordo rosarius equilibrio Sweden Make love and war (the wedlock of equilibrium)   Ambiant/Dark 25 / 17 / 17
  Ordoxe Canada (Qc) Beyond mankind 2014 Black  
  Orenda Bulgaria Back in the grave 2006 Black 23 / 15 / 16
  Orestea England Love lines & blood ties 2010 Gothic 23 / 15 / 16
    This is an overture (Ep) 2012 Gothic  
  Organic infest Puerto rico The way to temptation 2003 Death 23 / 15 / 16
  Oriana Russia Twilight of the gods 2012 Folk/Metal  
  Origin Usa S/T 2000 Death/Grind 21 / 14 / 14
    Informis infinitas inhumanitas 2002 Death/Grind 21 / 14 / 14
    Echoes of decimation 2005 Death/Grind 21 / 14 / 14
    Antithesis 2008 Death/Grind 17 / 11 / 12
    Entity 2011 Death/Grind 19 / 13 / 13
    Entity (CD+DVD DGP) 2011 Death/Grind 26 / 17 / 18
    Omnipresent (DGP) 2014 Death/Grind  
    Omnipresent (Box) 2014 Death/Grind  
    Unparalleled universe 2017 Death/Grind  
  Orion/B> Russia HaBctpeyy 6ypRm 2012 Melodic black/Death  
  Orion riders Italy A new dawn 2003 Power 23 / 15 / 16
  Orion's reign Greece Scores of war 2018 Heavy/Power  
  Orisonata Usa S/T 2014 Metal/Prog/Symph  
  Orkan Norway Element 2018 Black/Thrash  
  Orkrist Slovakia Reginae mysterium 2002 Melodic black 26 / 17 / 18
    Grond 2003 Melodic black/Celtic 26 / 17 / 18
  Ormyst France Arcane dreams 2017 Prog-metal/Symph  
  Orodruin/Vinterriket   Split 2002 Ambiant/Black 26 / 17 / 18
  Orphalis Germany The birth of infinity 2016 Death  
  Orphanage Holland At the mountains of madness (Live)   Death/Atmospheric 13 / 9 / 9
    Oblivion   Death/Atmospheric 23 / 15 / 16
    By time alone   Death/Atmospheric 16 / 11 / 11
    Inside 2000 Death/Atmospheric 22 / 15 / 15
    Driven 2004 Death/Gothic/Atmos 23 / 15 / 16
    Driven (DGP) 2009 Death/Gothic/Atmos 23 / 15 / 16
  Orphaned land Israel El norra alila 1996 Death/Ethnic 23 / 15 / 16
    El norra alila (DGP) 2004 Death/Ethnic 26 / 17 / 18
    El norra alila (DGP) 2006 Death/Ethnic 21 / 14 / 14
    Sahara 1994 Death/Ethnic 23 / 15 / 16
    Sahara (Re-edition DGP) 2002 Death/Ethnic 23 / 15 / 16
    Sahara (DGP + Bonus) 2004 Death/Ethnic 26 / 17 / 18
    The beloved's cry 1993 Metal/Ethnic 26 / 17 / 18
    The beloved's cry + The calm before the flood (2CD DGP) 2004 Metal/Ethnic 23 / 15 / 16
    The beloved's cry - 20th anniversary edition (DGP) 2011 Metal/Ethnic  
    Mabool - the story of the three sons of seven (2CD) 2004 Metal/Ethnic 21 / 14 / 14
    The never ending way of orwarrior 2010 Metal/Ethnic 19 / 13 / 13
    The never ending way of orwarrior (CD+DVD DGB) 2010 Metal/Ethnic 30 / 20 / 20
    The never ending way of orwarrior (2CD) 2010 Metal/Ethnic 26 / 17 / 18
    All is one (CD+DVD DGB) 2013 Metal/Ethnic  
  Orphaned land & Amaseffer Israel Kna'an (DGP) 2016 Rock/Metal/Folk/Atmos  
  Orpheum England Darkness and decay 2016 Gothic/Prog  
  Orpheus England Philosopher of the sublime 2010 Metal/Atmos 26 / 17 / 18
  Orpheus blade Israel Wolf's cry 2015 Prog-metal  
  Orpheus omega Australia Resillusion 2013 Melodic death  
  Orplid Germany S/T   Celtic/Atmos 25 / 17 / 17
    Nchtliche jnger 2002 Celtic/Atmos 26 / 17 / 18
    Sterbender satyr 2006 Celtic/Atmos 23 / 15 / 16
  Osculum infame   The black theology (Ep) 1998 Black 19 / 13 / 13
  Ossian Hungary Arnykbol a fnybe 2002 Heavy 23 / 15 / 16
    Fmzene 1999 Heavy 23 / 15 / 16
    Titkos nnep 2001 Heavy 23 / 15 / 16
    Koncert 2001 Heavy 23 / 15 / 16
    Hangerm 2003 Heavy 23 / 15 / 16
  Ossonor France Dreadful (Ep) 2014 Metal/Symph  
  Ossuary anex Russia Mutilation through prayer 2016 Death  
  Ossuary insane   Demonize the flesh     19 / 13 / 13
  Orth Allemagne Feed the flames 2000 Death 23 / 15 / 16
  Orthrelm/Behold...the arctopus Usa S/T (Split Ep) 2006 Prog-metal/Tech/Exp 15 / 10 / 10
  Otargos France Ten-eyed nemesis 2005 Black 26 / 17 / 18
    Fuck god-disease process 2009 Black 19 / 13 / 13
    No god no satan (DGP) 2010 Black 23 / 15 / 16
  Otep Usa The ascension 2007 Metal 17 / 11 / 12
  Otyg Sweden Alvefard   Folk. 26 / 17 / 18
    Sagovindars boning 1999 Folk. 26 / 17 / 18
    Sagovindars boning + lvefrd (2CD) 2008 Metal/Folk 26 / 17 / 18
  Oubliette Usa Apparitions 2014 Black  
  Ouija Spain Adversary (Ep) 2010 Black  
  Out France X-position 1998 Metal 21 / 14 / 14
  Outburst, the France Entertainment 2008 Melodic neo-thrash 23 / 15 / 16
  Outcast France First call / last warning 2004 Death/Thrash 26 / 17 / 18
  Outlaw order Usa Dragging down the enforcer 2008 Doom/Sludge 19 / 13 / 13
  Outrage Germany Go to hell 2011 Black/Thrash 19 / 13 / 13
  Overcast Usa Reborn to kill again 2008 Metalcore 16 / 11 / 11
  Overcrown Italy Monochrome (Ep) 2014 Power/Symph  
    Higher 2016 Power/Symph  
  Overdose Brazil Circus of death 1999 Thrash 23 / 15 / 16
  Overdose Germany Tight action 2009 Metal  
  Overdream Hungary Navigator 2006 Power/Symph  
  Overflash Sweden Threshold to reality   Nuclear death 25 / 17 / 17
  Overkill Usa W.F.O. 1994 Thrash 16 / 11 / 11
    W.F.O. 2005 Thrash 17 / 11 / 12
    Taking over 1987 Thrash 19 / 13 / 13
    Fuck you and then some (Ep) 1996 Thrash 19 / 13 / 13
    Feel the fire 1987 Thrash 19 / 13 / 13
    Fuck you and then some + Feel the fire (2CD) 2004 Thrash 26 / 17 / 18
    From the underground and below   Thrash 23 / 15 / 16
    Under the influence 1988 Thrash 19 / 13 / 13
    The years of decay 1989 Thrash 21 / 14 / 14
    I hear black 1993 Thrash/Metal 17 / 11 / 12
    I hear black 2005 Thrash/Metal 17 / 11 / 12
    Coverkill 1999 Thrash 21 / 14 / 14
    Horrorscope 1991 Thrash 16 / 11 / 11
    Necroshine 1999 Thrash 21 / 14 / 14
    Bloodletting 2000 Thrash 21 / 14 / 14
    Bloodletting + Coverkill (2CD) 2005 Thrash 21 / 14 / 14
    The killing kind 1999 Thrash 21 / 14 / 14
    Wrecking your neck live (2cds) 1995 Thrash 28 / 19 / 19
    Wrecking everything (Live) 2002 Thrash 17 / 11 / 12
    Wrecking everything - live (DGP) 2002 Thrash 23 / 15 / 16
    Killbox 13 2003 Thrash/Heavy 23 / 15 / 16
    Killbox 13 + Wrecking everything - live (2CD) 2008 Thrash/Heavy 23 / 15 / 16
    Unholy (2CD) 2004 Thrash/Heavy 23 / 15 / 16
    Relixiv 2005 Thrash/Heavy 16 / 11 / 11
    Relixiv (DGP) 2009 Thrash/Heavy 23 / 15 / 16
    Devil by the tail (2CD) 2005 Thrash/Heavy 23 / 15 / 16
    Immortalis 2007 Thrash/Heavy 17 / 11 / 12
    Immortalis (CD+DVD/PAL) 2007 Thrash/Heavy 26 / 17 / 18
    Immortalis (CD+DVD) 2010 Thrash/Heavy 19 / 13 / 13
    Ironbound 2010 Thrash/Heavy 17 / 11 / 12
    Ironbound (DGP) 2010 Thrash/Heavy 33 / 22 / 22
    The electric age 2012 Thrash/Heavy  
    The electric age (CD+DVD DGB) 2012 Thrash/Heavy  
    The electric age - tour edition (2CD) 2013 Thrash/Heavy  
    White devil armory 2014 Thrash/Heavy  
    White devil armory (DGP) 2014 Thrash/Heavy  
    The grinding wheel (DGP) 2017 Thrash/Heavy  
    Live in overhausen (2CD+BR DGP) 2018 Thrash/Heavy  
  Overmars France Affliction, endocrine...vertigo (CD+DVD) 2005 Doom/Indus/Atmos 23 / 15 / 16
  Overstep France La pierre... 1998 Prog Metal 20 / 13 / 14
  Overthrash Brazil Until death 2017 Thrash  
  Overthrow Canada Within suffering - definitive 2008 Thrash/Death 21 / 14 / 14
  Ov hell Norway The underworld regime 2010 Black 17 / 11 / 12
  Oxidized faith Canada (Qc) Destiny of mankind - muster for death (Ep) 2010 Technical death 11 / 8 / 8
  Oxiplegatz Sweden Fairytales 1994 Death 24 / 16 / 16
    Worlds and worlds 1996 Death 24 / 16 / 16
    Sidereal journey 1998 Death 26 / 17 / 18
  xx xx France Rvrt 2011 Gothic/Doom  
  Oxymor France Pass dcompos 2009 Black  
  zkan, zge Turkey In your heart (Ep) 2008 Gothic/Atmos 21 / 14 / 14