Opeth

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
House Of The Dead [Single]	7
The End	7

Orgone

The Joyless Parson	8
The Goliath	7
Pleroma	7

Origin

Antithesis

7

Original Sin

Sin Will Find You Out

7

Orodruin

Epicurean Mass	8
In Doom [EP]	8
Ruins Of Eternity	8

Orphaned Land

Mabool: The Story Of The Three Sons Of Seven

7

Orpheus Blade

Wolf's Cry

8

Osiris (NED)

Futurity And Human Depressions

8

Ossuarium

Living Tomb

7

Ostrogoth

Feelings Of Fury

7

Outrage (JPN)

Black Clouds	8
Blind To Reality	8
The Great Blue	8
Outrage [EP]	7
The Final Day	7
Outrage	7
Genesis I	7

Outre-Tombe

Répurgation

7

Outworld

Outworld

8

Overdose

You're Really Big!	9
Conscience	8
Addicted To Reality	8
Circus Of Death	6
Scars	6

Overdose (GER)

Tight Action

8

Overdrive (UK)

Dishonest Words	9
On The Run [EP]	8
Home Sweet Home (A Day In The Life)	7

Overkill

Feel The Fire	10
The Years Of Decay	10
Taking Over	9
Under The Influence	9
Horrorscope	8
W.F.O.	8
The Killing Kind	8
From The Underground And Below	8
Ironbound	8
The Electric Age	8
White Devil Armory	8
The Grinding Wheel	8
I Hear Black	7
Necroshine	7
Bloodletting	7
Killbox 13	7
ReliXIV	7
The Wings Of War	7
Scorched	7

Overlorde

Return Of The Snow Giant	8
Overlorde [EP]	8
Awaken The Fury	7

Overthrow

Within Suffering

8

Owl (USA)

Screech	9
Geomancy	9
Atlantean Key / Floating Island [Single]	9
Owl	8

Oxbow

The Narcotic Story

8

Oz

Fire In The Brain	9
III Warning	8