Novembers Doom

Hamartia	7
Nephilim Grove	6

Novembre

URSA

8

Nuclear Assault

Game Over

8

Numenorean

Adore

8

Obituary

Inked In Blood	8
Ten Thousand Ways To Die [EP]	7
Obituary	6
Dying Of Everything	6

Oblique Rain

Isohyet	7
October Dawn	7

Obliteration

Cenotaph Obscure

8

Obscura

A Valediction	9
Omnivium	8
Akróasis	8
Diluvium	8

Obscure Sphinx

Void Mother

8

Obsequiae

Aria Of Vernal Tombs

8

Oceansize

Self Preserved While The Bodies Float Up

6

October Falls

A Collapse Of Faith	8
Kaarna [Compilation]	8
The Plague Of A Coming Age	7

October Tide

A Thin Shell	8
Tunnel Of No Light	7
Winged Waltz	7
In Splendor Below	7

Odraza

Rzeczom

8

Officium Triste

Mors Viri

8

Old Man Gloom

No	7
The Ape Of God	7
Seminar VIII: Light Of Meaning	6
Seminar IX: Darkness Of Being	6

Om

Conference Of The Birds	8
Advaitic Songs	8

Omb

SwineSong

9

Omen

Battle Cry	8
Warning Of Danger	8

Omnium Gatherum

New World Shadows	9
Beyond	9
The Burning Cold	8
Slasher [EP]	6

One Man Army And The Undead Quartet

The Dark Epic...

8

Onslaught

Sounds Of Violence	8
VI	7
Generation Antichrist	5

öOoOoOoOoOo

Samen

7

Operation: Mindcrime

Resurrection

6

Opeth

Blackwater Park	10
My Arms, Your Hearse	9
Still Life	9
Deliverance	9
Damnation	9
Ghost Reveries	9
In Live Concert At The Royal Albert Hall [DVD]	9
Orchid	8
Morningrise	8
Watershed	8
Heritage	8
In Cauda Venenum	8
Pale Communion	7
Sorceress	7
Garden Of The Titans: Opeth Live At Red Rocks Amphitheater [Live]	7

Orange Goblin

A Eulogy For The Damned	8
Back From The Abyss	8
The Wolf Bites Back	7
Science, Not Fiction	6

Oranssi Pazuzu

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

Orchid

Sign Of The Witch [EP]

7

Orchid (USA-MA)

Chaos Is Me	8
Orchid	8

Orden Ogan

Gunmen	8
Final Days	8
Ravenhead	7
The Order Of Fear	7

Origin

Entity

7

Orphaned Land

Sahara	8
Mabool: The Story Of The Three Sons Of Seven	8
The Never Ending Way Of ORwarriOR	8
All Is One	8
El Norra Alila	7
The Beloved's Cry [Demo]	7
Kna'an [Collaboration]	7
A Heaven You May Create [DVD]	7
Unsung Prophets & Dead Messiahs	6

OSI

Fire Make Thunder

8

Ossuarium

Living Tomb

7

Ouroboros

Glorification Of A Myth

8

Ov Hell

The Underworld Regime

7

Overkill

Feel The Fire	8
Taking Over	8
The Years Of Decay	8
Ironbound	8
The Electric Age	8
The Grinding Wheel	8