On Thorns I Lay

Orama	6
On Thorns I Lay	6

Onirik

The Fire Cult Beyond Eternity

6

Onslaught

The Force	9
Power From Hell	8
Sounds Of Violence	8
Generation Antichrist	8
Killing Peace	7
In Search Of Sanity	7
VI	7

Opera IX

The Black Opera: Symphoniae Mysteriorum In Laudem Tenebrarum

6

Opeth

Morningrise	10
My Arms, Your Hearse	10
Ghost Reveries	10
Deliverance	9
Garden Of The Titans: Opeth Live At Red Rocks Amphitheater [Live]	9
Orchid	8
Still Life	8
Blackwater Park	8
Watershed	8
Sorceress	8
Damnation	7
Pale Communion	7
In Cauda Venenum	7
Heritage	6
Lamentations [DVD]	5

Ophidian I

Desolate

8

Ophthalamia

Via Dolorosa

8

Oranssi Pazuzu

Mestarin Kynsi

10

Orbit Culture

Nija

8

Orchid (USA-MA)

Dance Tonight! Revolution Tomorrow!

9

Organ Dealer

The Weight Of Being

5

Origin

Antithesis	10
Informis Infinitas Inhumanitas	9
Origin	9
Echoes Of Decimation	9
Omnipresent	9
Entity	8
Unparalleled Universe	8
Chaosmos	8

Ornæmental Shine

Deima Panikon

8

Ôros Kaù

Thanatos

7

Orphaned Land

Mabool: The Story Of The Three Sons Of Seven	10
All Is One	10
Unsung Prophets & Dead Messiahs	10
El Norra Alila	9
The Never Ending Way Of ORwarriOR	9
Sahara	8

Ostura

The Room

9

Ouroboros

Glorification Of A Myth

8

Overcharge

Accelerate	8
Metalpunx	8

Overkill

The Years Of Decay	10
Feel The Fire	9
Under The Influence	9
Horrorscope	9
From The Underground And Below	9
Wrecking Everything [DVD]	9
Ironbound	9
Taking Over	8
I Hear Black	8
Coverkill [Compilation]	8
The Electric Age	8
Scorched	8
W.F.O.	7
Necroshine	7
The Killing Kind	6
Bloodletting	6
Killbox 13	6
ReliXIV	6
Immortalis	6

Overthrust

Desecrated Deeds To Decease	8
Overthrust / Katutura [Split]	8
Suicide Torment [EP]	8
Demon Grave [Single]	8

Öxxö Xööx

Ÿ

8

Oxygen Destroyer

Sinister Monstrosities Spawned By The Unfathomable Ignorance Of Humankind	8
Bestial Manifestations Of Malevolence And Death	7

Oz

Fire In The Brain

8

Ozzy Osbourne

Blizzard Of Ozz	9
No More Tears	8
Patient Number 9	8
Diary Of A Madman	7
Ordinary Man	7

P.L.F.

Devious Persecution And Wholesale Slaughter	10
Jackhammering Deathblow Of Nightmarish Trepidation	9
Pulverizing Lethal Force	8
Crushing Fury Of Bastardization	8
Ultimate Whirlwind Of Incineration	8
P.L.F./Last Days Of Humanity [Split]	8

Pagan's Mind

Celestial Entrance

8

Pain Of Salvation

Panther	8
The Perfect Element, Part I	7
Remedy Lane	7

Panopticon

The Scars Of Man On The Once Nameless Wilderness

8

Pantera

Cowboys From Hell	9
Far Beyond Driven	9
The Great Southern Trendkill	9
Vulgar Display Of Power	8
Reinventing The Steel	8