Orange Goblin

The Wolf Bites Back

7

Oranssi Pazuzu

Värähtelijä	8
Mestarin Kynsi	7

Orbit Culture

The Forgotten [EP]	9
Nija	7
Shaman [EP]	7
Descent	7

Orden Ogan

Ravenhead	9
Gunmen	8

Order Of The Ebon Hand

VII: The Chariot

8

Ordog

The Grand Wall

8

Origin

Entity	8
Omnipresent	8
Unparalleled Universe	7

Orion's Reign

Scores Of War

8

Orphanage

By Time Alone	9
Inside	9

Orphaned Land

Mabool: The Story Of The Three Sons Of Seven	10
The Never Ending Way Of ORwarriOR	9
All Is One	8
Unsung Prophets & Dead Messiahs	8
Sahara	7

Orpheus Omega

Partum Vita Mortem	8
Wear Your Sins	7

Ortega

Sacred States

8

Oshiego

Jaljalut

6

Osiah

Kairos

8

Ossian

A Reményhozó	9
Lélekerő	7
Csak A Jót	7

Ostura

The Room

9

Otargos

Xeno Kaos

7

Oubliette

Eternity Whispers

8

Our Survival Depends On Us

Melting The Ice In The Hearts Of Men

7

Ouroboros

Emanations	9
Glorification Of A Myth	8

Outer Heaven

Realms Of Eternal Decay

7

Outre

Hollow Earth

7

Outre-Tombe

Nécrovortex

8

Overkill

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

Overoth

The Forgotten Tome

7

Ovid's Withering

Scryers Of The Ibis	10
Terraphage	8

Ovtrenoir

Fields Of Fire

7

Öxxö Xööx

Ÿ

7

Oxygen Destroyer

Sinister Monstrosities Spawned By The Unfathomable Ignorance Of Humankind

7

Ozzy Osbourne

Blizzard Of Ozz	9
No More Tears	9
Ozzmosis	9
Patient Number 9	9
Scream	8
Ordinary Man	8

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

Phlogiston Catharsis

8

Pa Vesh En

Martyrs

7

Pain

Coming Home

7

Pain Of Salvation

The Perfect Element, Part I	9
Remedy Lane	9
In The Passing Light Of Day	8
Panther	8
Road Salt One	7
Falling Home	7

Painted Black

Cold Comfort	9
Raging Light	8

Paladin

Ascension

7

Palefeather

Palefeather

7

Pallbearer

Fear And Fury [EP]	9
Foundations Of Burden	8
Heartless	8
Mind Burns Alive	8
Sorrow And Extinction	7
Forgotten Days	7

Palm Reader

Sleepless

9

Pandemia

Feet Off Anger

8

Pandemonium

Nihilist

8

Panopticon

Roads To The North	8
The Rime Of Memory	8
Autumn Eternal	7
The Scars Of Man On The Once Nameless Wilderness	7
.​.​.​And Again Into The Light	7

Pantera

Cowboys From Hell	9
Vulgar Display Of Power	9
Far Beyond Driven	9