Ontborg

Following The Steps Of Damnation

7

Oomph!

Ritual

4

Opera Diabolicus

Death On A Pale Horse

5

Opera IX

The Gospel

6

Opera Magna

Del Amor Y Otros Demonios

6

Opeth

Morningrise	8
Blackwater Park	8
Heritage	8
Still Life	7

Opium Lord

Vore

6

Opium Warlords

Nembutal

7

Oppressor

Solstice Of Oppression

6

Orakle

Tourments & Perdition

6

Orange Goblin

The Wolf Bites Back	7
Science, Not Fiction	6

Oranssi Pazuzu

Kosmonument	7
Mestarin Kynsi	7

Orb

Tailem Bend

8

Orbit Culture

Redfog [EP]	7
Descent	7
Nija	5

Ordalia

Odes For Victory

6

Order Of The Ebon Hand

VII: The Chariot

7

Ordinance (FIN)

In Purge There Is No Remission

7

Ordinul Negru

Faustian Nights

7

Organ Dealer

The Weight Of Being

6

Organectomy

Nail Below Nail

6

Origin

Antithesis

6

Orion's Reign

Scores Of War

5

Orkrist

Artifacts Of Life

5

Orphalis

As The Ashes Settle

7

Orphanage

By Time Alone	7
Oblivion	6
Inside	6

Orphaned Land

El Norra Alila	9
Mabool: The Story Of The Three Sons Of Seven	9
The Never Ending Way Of ORwarriOR	9
The Road To Or-Shalem [DVD]	9
Sahara	8
Unsung Prophets & Dead Messiahs	8
All Is One	7

Orthodox (USA)

Learning To Dissolve

6

Orthostat

Monolith Of Time	6
The Heat Death	6

Oshiego

The Book Of Wonders

5

Osiah

Kairos

7

Ósserp

Els Nous Cants De La Sibil·la

6

Ossian

A Reményhozó	7
Csak A Jót	7
Ítéletnap	5

Ossuarium

Living Tomb

6

Ossuary Anex

Obscurantism Apogee

7

Ostrogoth

Ecstasy And Danger	7
Feelings Of Fury	7

Ostura

The Room	8
Ashes Of The Reborn	7

Otherwise

Defy

5

Our Survival Depends On Us

Melting The Ice In The Hearts Of Men

7

Ouroboros

Emanations

6

Outer Heaven

Realms Of Eternal Decay	7
Infinite Psychic Depths	6

Outergods

A Kingdom Built Upon The Wreckage Of Heaven

6

Outlaw

Reaching Beyond Assiah

7

Outre

Hollow Earth

7

Over The Voids

Hadal

7

Overdose Nuclear

Metal Do Mangue

5

Overkill

The Years Of Decay	7
White Devil Armory	7
The Wings Of War	7
Horrorscope	6
Scorched	6

Overlorde

Awaken The Fury

6

Ovid's Withering

Terraphage	6
Scryers Of The Ibis	5

Owl

Nights In Distortion	7
Orion Fenix [EP]	6

Oxbow

An Evil Heat	6
King Of The Jews	5

Oxiplegatz

Worlds And Worlds

5

Oxx

The Primordial Blues

8

Öxxö Xööx

Rëvëürt	6
Ÿ	6

Oxygen Destroyer

Guardian Of The Universe

7

Oz

Fire In The Brain	8
Turn The Cross Upside Down [EP]	8
The Oz	7
III Warning	7
Forced Commandments	7

Ozzy Osbourne

Blizzard Of Ozz	7
Diary Of A Madman	6
Bark At The Moon	6
The Ultimate Sin	6
No More Tears	6

P.H.O.B.O.S.

Phlogiston Catharsis

7

P.O.O.R.

Glutton For Punishment

6

Paara

Riitti

7

Pagan Altar

The Time Lord [EP]	9
Lords Of Hypocrisy	9
Volume 1	8
Mythical & Magical	7