Obsession

Marshall Law [EP]	8
Scarred For Life	8

Obsidian Mantra

Existential Gravity

7

Obsidian Sea

Dreams, Illusions, Obsessions	8
Strangers	8
Pathos	8
Between Two Deserts	7

Occlith

Obscure Heresies [EP]	8
Gates, Doorways, And Endings	7

Occult Burial

Burning Eerie Lore	7
Hideous Obscure	7
Skeletal Laughter [EP]	7
Promo MMXIV [Demo]	7

Occultation

Three & Seven	8
Silence In The Ancestral House	8

Ocean Chief

Oden [Demo]	7
Tor	7
Den Förste	7
Universums Härd	7

Ockra

Infinite Patterns [EP]

8

October 31

No Survivors	8
Bury The Hatchet	8
Visions Of The End [EP]	7
Meet Thy Maker	7
Metal Massacre 31	7

October Tide

Rain Without End

7

Odious Mortem

Cryptic Implosion

7

Odyssey (RSA)

Odyssey

8

Of Gods & Monsters

Sons Of Armageddon

8

Of Rytes

Without...

7

Officium Triste

Ne Vivam	8
Demo '94 [Demo]	7
Roses On My Grave [EP]	7
Mountains Of Depressiveness [EP]	7
Officium Triste / Cold Mourning [Split]	7

Ogre

The Last Neanderthal	9
Dawn Of The Proto-Man	8
Seven Hells	8
Plague Of The Planet	8
Secondhand Demons [Compilation]	7
Thrice As Strong	7

Okular

Sexforce

7

Old Mother Hell

Old Mother Hell	7
Lord Of Demise	7

Old Night

Pale Cold Irrelevance	8
A Fracture In The Human Soul	8

Olde

Pilgrimage	7
Temple	7
Shallow Graves [EP]	7
I	7

Olde Crow

Masquerade

7

Oliver Magnum

Oliver Magnum

8

Olórin

Through Shadow And Flame	7
The Wretched [EP]	7
Lords Of Arda [EP]	7
Olórin [Demo]	7

Omen

Battle Cry	9
Warning Of Danger	8
The Curse	8
Nightmares [EP]	7

Onward

The Neverending Sun [Demo]	8
Evermoving	7

Opeth

Orchid	10
Morningrise	10
My Arms, Your Hearse	10
Still Life	10
Blackwater Park	10
Lamentations [DVD]	10
Ghost Reveries	10
Damnation	9
In Live Concert At The Royal Albert Hall [DVD]	9
Deliverance	8
Watershed	8
Heritage	8
Pale Communion	8
Sorceress	7

Ophis

Stream Of Misery	8
Withered Shades	8
Nostrae Mortis Signaculum [EP]	7
Abhorrence In Opulence	7

Ophthalamia

A Journey In Darkness	10
Via Dolorosa	9
Dominion	8

Oppressor

Solstice Of Oppression

8

Oracle (USA-NCA)

Selah	8
Desolate Kings - The Complete Collection [Compilation]	8

Orb

Womb [EP]	8
Birth	7

Orchid

Heretic [EP]	9
Sign Of The Witch [EP]	9
Capricorn	8
Through The Devil's Doorway [EP]	8
The Mouths Of Madness	8
Wizard Of War [EP]	8

Ordained Fate

Demo Anthology [Split]

7

Ordalia

The Return Of The King	9
Odes For Victory	8

Order From Chaos

Stillbirth Machine	7
And I Saw Eternity [EP]	7

Ordos

Ordos

7