Nile

In Their Darkened Shrines	8
Ithyphallic	8
At The Gate Of Sethu	8
Those Whom The Gods Detest	7
What Should Not Be Unearthed	6

Nocturnus

The Key

8

Norma Jean

O God, The Aftermath

6

Oak Pantheon

Sol [EP]

7

Oathbreaker

Rheia

9

Obituary

Cause Of Death	8
Slowly We Rot	7
Back From The Dead	7
Inked In Blood	7
The End Complete	6

Obliteration

Cenotaph Obscure	8
Perpetual Decay	4

Oblivion

The Path Towards...

8

Obscura

Cosmogenesis	10
Akróasis	10
Retribution	9
Diluvium	5

Obscure Sphinx

Epitaphs

9

Oceano

Depths	9
Incisions	9
Ascendants	8
Contagion	7

Oceans Of Slumber

The Banished Heart

8

October Tide

Rain Without End

9

Old Man's Child

In Defiance Of Existence

9

Opeth

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

Orange Goblin

The Wolf Bites Back

8

Orbit Culture

Rasen

7

Origin

Origin

8

Ouroboros

Emanations

10

Outre

Tranquility [EP]	9
Hollow Earth	8

Overoth

The Forgotten Tome

7

Panopticon

The Scars Of Man On The Once Nameless Wilderness

9

Pantera

Vulgar Display Of Power	8
The Great Southern Trendkill	7
Cowboys From Hell	6
Far Beyond Driven	6

Paradise Lost

Lost Paradise	9
Paradise Lost [Demo]	9
Gothic	7
Medusa	7
Shades Of God	6

Parkway Drive

Horizons	8
Killing With A Smile	8
Atlas	8
Reverence	8
Deep Blue	7
Don't Close Your Eyes [EP]	7
IRE	5

Peccatum

Amor Fati

6

Pestilence

Testimony Of The Ancients	10
Consuming Impulse	9
Obsideo	9
Hadeon	9
Resurrection Macabre	8
Doctrine	8
Malleus Maleficarum	7
Spheres	5

Pig Destroyer

Terrifyer	9
Prowler In The Yard	7
Phantom Limb	7
Head Cage	7

Porcupine Tree

In Absentia	8
Fear Of A Blank Planet	8
The Incident	8
Deadwing	6

Possessed

Seven Churches

6

Progenie Terrestre Pura

OltreLuna	10
U​.​M​.​A.	8
starCross [EP]	8
Asteroidi [EP]	7

Psychonaut 4

Dipsomania

8

Psycroptic

The Isle Of Disenchantment	9
Psycroptic	6
As The Kingdom Drowns	6

Pungent Stench

Been Caught Buttering	9
Masters Of Moral, Servants Of Sin	7

Pyrexia

Sermon Of Mockery

9

Quo Vadis

Defiant Imagination

8

Rage Against The Machine

The Battle Of Los Angeles

8