Obsidian Tide

Pillars Of Creation	8
The Grand Crescendo	6

Obsidious

Iconic

8

Obtenebris

Dust Of Time

7

Oceans Of Slumber

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

Oceansize

Effloresce

7

Oceill

Oceill

8

October Tide

Winged Waltz

7

Octoploid

Beyond The Aeons

7

Octopus

Into The Void Of Fear

8

Oddland

The Treachery Of Senses	8
Origin	7
Vermilion	7

Oestre

La Dernière Renaissance	7
Humain [EP]	6

Oh.

Metallia

7

Ola Englund

Master Of The Universe	8
Starzinger	8
The Chug Project, Vol.1	7
The Chug Project, Vol.2	7

Old Silver Key

Tales Of Wanderings

5

Olema

Riitti

7

Olvido

Luto	9
Cupido/Mors	7

Om

Advaitic Songs

7

Omb

SwineSong

9

Omega Diatribe

Deviant

6

Ominous Crucifix

Relics Of A Dead Faith [EP]	6
The Spell Of Damnation	5

Omnerod

The Amensal Rise	10
Arteries	9
Construction [EP]	9
Ivory Dune	7

Omnium Gatherum

The Redshift	9
New World Shadows	9
Beyond	8
Origin	8
Grey Heavens	7
Slasher [EP]	7
The Burning Cold	6

Omnivortex

Diagrams Of Consciousness	8
Circulate	8

On Thorns I Lay

Threnos	7
Orama	5

Oni

Ironshore	6
Loathing Light	5

Ooluu

Ophus

3

öOoOoOoOoOo

Samen

8

Opeth

Still Life	10
Blackwater Park	10
Deliverance	10
Damnation	10
Ghost Reveries	10
Watershed	10
My Arms, Your Hearse	9
Pale Communion	9
Heritage	8
In Cauda Venenum	8
Orchid	7
Morningrise	7
Sorceress	6

Ophidian I

Desolate

9

Ophis

Withered Shades

7

Optic

Iris In

7

Opus Of A Machine

Stray Fire

8

Oranssi Pazuzu

Kosmonument	7
Mestarin Kynsi	7

Orbit Culture

Nija	7
The Forgotten [EP]	6

Orbyssmal

Abstracthorrific

4

Orden Ogan

Ravenhead

7

Order Of Orias

Inverse

7

Ordinance

Internal Monologues	6
The Ides Of March	6

Ordinance (FIN)

Relinquishment

7

Organectomy

Existential Disconnect

6

Orgone

Pleroma	8
The Joyless Parson	7

Origin

Antithesis	7
Entity	6

Orphaned Land

Mabool: The Story Of The Three Sons Of Seven	8
All Is One	8
Unsung Prophets & Dead Messiahs	7
The Never Ending Way Of ORwarriOR	6

Orsome Welles

Erth News Bulletin [EP]

7

Ortega

Sacred States

7

Orthrelm

Orthrelm [Compilation]	2
Ov	1

Orwell

AVOHFASIH

9

OSI

Blood

8

Osiah

Loss

7

Ostura

The Room

9

Otargos

Xeno Kaos	7
Fleshborer Soulflayer	7

Otep

The God Slayer

3

Others By No One

Book II: Where Stories Come From	9
Book I: Dr. Breacher	9