Olympus Mons

Healer

7

Omega Infinity

Solar Spectre

7

Omnerod

The Amensal Rise

7

Omnium Gatherum

The Redshift	8
New World Shadows	8
Beyond	8
Grey Heavens	8
The Burning Cold	8
Years In Waste	7
Spirits And August Light	7
Stuck Here On Snakes Way	7
Origin	7

Omnivortex

Circulate

6

On Thorns I Lay

Aegean Sorrow	7
Threnos	7
On Thorns I Lay	7

Once Human

The Life I Remember	8
Evolution	8
Scar Weaver	6

Ondskapt

Grimoire Ordo Devus

7

Onslaught

Generation Antichrist

8

Oomph!

Ritual

6

Opeth

Blackwater Park	9
Morningrise	8
My Arms, Your Hearse	8
Still Life	8
Deliverance	8
Damnation	8
Ghost Reveries	8
Deliverance & Damnation [Boxset]	8
Orchid	7
Watershed	7
Pale Communion	7
In Cauda Venenum	7
Heritage	6
Sorceress	6

Ophidian I

Desolate

7

Ophiuchi

Shibboleth

6

Opprobre

Fragments De Destinées

6

Orange Goblin

Science, Not Fiction

7

Oranssi Pazuzu

Mestarin Kynsi	9
Muukalainen Puhuu	8
Värähtelijä	8
Farmakologinen [EP]	8
Kevät / Värimyrsky [EP]	8
Live At Roadburn 2017 [Live]	8
Kosmonument	7
Valonielu	7

Orbit Culture

Nija	9
Shaman [EP]	9
Descent	9
Rasen	8
Redfog [EP]	8
The Forgotten [EP]	8
Orbit Culture [EP]	7
Odyssey [EP]	7
In Medias Res	7

Orden Ogan

Final Days	7
The Order Of Fear	7

Order Of Orias

Ablaze

6

Ordinance (FIN)

In Purge There Is No Remission

6

Origin

Chaosmos

6

Orphaned Land

Unsung Prophets & Dead Messiahs

7

Orpheus Omega

Wear Your Sins	7
Emberglow	6

Oshiego

Jaljalut

5

Osiris

Meanders A Soul​.​.​.

7

Ossian

Csak A Jót

7

Ostura

The Room

8

Otep

The God Slayer

6

Oubliette

The Passage

7

Ov Shadows

I Djävulens Avbild

7

Over The Voids

Hadal

8

Overkill

The Wings Of War	6
Scorched	6

Ovid's Withering

Terraphage

8

Ovtrenoir

Fields Of Fire

6

Ozzy Osbourne

Memoirs Of A Madman [Compilation]	8
Patient Number 9	7
Ordinary Man	6

Paara

Riitti	9
Yön Olevainen Puoli	8

Pagan Forest

Bogu

6

Paganland

Galizier

7

Pain

I Am

7

Pain Of Salvation

Panther

7

Paladin

Ascension

7

Pale Divine

Consequence Of Time

6

Pallbearer

Forgotten Days	7
Mind Burns Alive	7

Panopticon

The Rime Of Memory	8
The Scars Of Man On The Once Nameless Wilderness	7
.​.​.​And Again Into The Light	7

Panzerfaust

The Suns Of Perdition - Chapter II: Render Unto Eden	7
The Suns Of Perdition - Chapter III: The Astral Drain	7

Paradise Lost

Obsidian

8

Paradox

Heresy II - End Of A Legend

6

Paralydium

Worlds Beyond

7

Paranorm

Empyrean

7

Parasite Inc.

Time Tears Down

8