Oblivion

The Path Towards...	8
Called To Rise	7
Oblivion	7

Obscenity

Summoning The Circle

7

Obscura

Cosmogenesis	10
Akróasis	9
Diluvium	9
A Valediction	8
Retribution	7
Omnivium	7

Obscure

Darkness Must Prevail	8
Back To Skull [Compilation]	7

Obsequiae

Aria Of Vernal Tombs	8
The Palms Of Sorrowed Kings	8

Obsidian Kingdom

Mantiis - An Agony In Fourteen Bites	8
A Year With No Summer	7
Meat Machine	6

Obsidious

Iconic

8

Obskkvlt

Blackarhats

8

Ocean Of Grief

Pale Existence

8

Oceano

Contagion	7
Incisions	7
Revelation	7
Depths	6
Ascendants	6

Oceans Of Slumber

Oceans Of Slumber	8
Winter	7
The Banished Heart	7
Starlight And Ash	6

Odious

Skin Age

6

Odious Mortem

Cryptic Implosion	8
Synesthesia	8
Devouring The Prophecy	7

Odium

Burning The Bridges To Nowhere	8
Terraform	8
At The Bottom	7

Officium Triste

Reason	6
Giving Yourself Away	6
The Death Of Gaia	6

Ola Englund

The Chug Project, Vol.1	8
Starzinger	7

Omega Diatribe

Iapetus	8
Metanoia	8
Deviant	8

Ominous Ruin

Amidst Voices That Echo In Stone

8

Ominous Scriptures

Rituals Of Mass Self​-​Ignition

6

Omission

Worship What You Fear	8
Breathless Existence	8
Pioneers Of The Storm	8

Omnihility

Biogenesis	8
Deathscapes Of The Subconscious	8
Dominion Of Misery	8

Omnium Gatherum

The Redshift	8
New World Shadows	8
Beyond	8
Grey Heavens	8
The Burning Cold	8
Origin	7

Omnivortex

Diagrams Of Consciousness	8
Circulate	8

Once Human

Evolution	7
Scar Weaver	7

Onheil

In Black Ashes

7

Oni

Ironshore	8
Loathing Light	7
The Silver Line	7

Onslaught

The Force	7
Sounds Of Violence	7
VI	7
Generation Antichrist	7

Opeth

Blackwater Park	8
Deliverance	8
Damnation	8
Orchid	7
Morningrise	7
My Arms, Your Hearse	7
Still Life	7
Watershed	7

Ophidian I

Desolate	9
Solvet Saeclum	8

Oracles

Miserycorde

7

Oranssi Pazuzu

Valonielu	7
Värähtelijä	7
Mestarin Kynsi	7

Orbit Culture

Redfog [EP]	8
Nija	8
Shaman [EP]	8
Descent	8
The Forgotten [EP]	8
Rasen	7

Order Of Ennead

An Examination Of Being	7
Order Of Ennead	7

Ordo Inferus

Invictus Et Aeternus

8

Organectomy

Nail Below Nail	8
Domain Of The Wretched	7
Existential Disconnect	7

Orgone

The Joyless Parson	7
The Goliath	7

Origin

Antithesis	9
Entity	9