Band

Country

Album

Year

O.L.D.

USA

Old Lady Drivers

1988

Oberon

Norway

Oberon (EP)

1996

Obfuscate Mass

Australia

Confused Darkness ( Demo)

1991

Obfuscation

Finland

Greed (Demo)

1992

Obfuscation

Finland

Windows of the World (Demo)

1993

Obfuscation

Finland

Swansongs (EP)

1995

Obituary

USA

Slowly we Rot

1989

Obituary

USA

Cause of Death

1990

Oblique Visions

Malta

Seas of Serenity

1995

Obliterator

USA

Demo

1992

Obliteration

UK

Obscured Within

1990

Obliveon

Canada

Demo

1987

Obliveon

Canada

From this Day Forward

1991

Obliveon

Canada

Nemesis

1993

Oblivion

Canada

Demo #2 (Demo)

1987

Oblivion

USA, NC

Oblivion

1989

Oblivion

USA, NJ

Demo

1985

Oblivion

USA, NJ

Intention to Kill (Demo)

1985

Oblivion

USA, NJ

Intoxicated with Agony (Demo)

1986

Oblivion

USA, NJ

War Gives me Peace of Mind (Demo)

1988

Oblivion Knight

USA

Demo

1987

Oblivion Knight

USA

Forgotten Realms (Demo)

1990

Obnoxious

Sweden

A Brutal Act (Demo)

1992

Obscene

Sweden

Grotesque Experience (Demo)

1990

Obscene Crisis

Canada

Modern Hypocrisy (Demo)

1994

Obscene Crisis

Canada

Silence of the Mind

1995

Obscene Jester

USA

Citadel's on Fire (EP)

1989

Obscenity

Germany

Suffocated Truth

1992

Obscenity

Germany

Perversion Mankind

1994

Obscure

Austria

Demo

1992

Obscure

Spain

Disgusting Reality (Demo)

1990

Obscure

Spain

Curse the Course (Demo)

1991

Obscure Infinity

Sweden

Beyond the Gate (Demo)

1992

Obscure Infinity

Sweden

Unreleased Split with Fulmination

1992

Obscure Infinity

Sweden

Promo

1994

Obscured

Estonia

Pessimistic

1994

Obscured

Sweden

Demo

1994

Obscurity

Sweden (Järfälla)

Wrapped in Plastic (EP)

1992

Obscurity

Sweden (Malm)

Ovations to Death (Demo)

1986

Obscurity

Sweden (Malm)

Damnation Pride (Compilation)

1986-1997

Obsecration

Greece

Petrified Remains (Demo)

1991

Obsecration

Greece

The Inheritors of Pain

1996

Obsessed Mord

Poland

The Eternal Torment

1991

Obsessos

Brazil

666 the Ultimate (Demo)

1987

Obtruncation

Holland

The Callous Concept

1997

Occult

France

Intersinacarnael (EP)

1991

Occult

Holland

Prepare to Meet thy Doom

1994

Occult

USA

Bloodthirsty (Demo)

1985

October Tide

Sweden

Rain Without End

1997

Oddech Buntownika

Poland

Ju¿ Tu Nie Wrócisz Szatanie (Demo)

1987

Odious

Germany

Fallen Apart (EP)

1994

Of Rytes

Germany

Without

1991

Offense

Spain

Aside

1996

Officium Triste

Holland

Ne Vivam

1997

Oktober

USA

Demo

1990

Old Funeral

Norway

Devoured Carcass (EP)

1991

Old Funeral

Norway

The Older Ones (Compilation)

1999

Old Funeral

Norway

Grim Reaping Norway (Live)

2002

Oligarquia

Brazil

Nechropolis

2000

Oliver Magnum

USA

Oliver Magnum

1989

Omen

Hungary

Feketeben

1991

Omen

USA

Battle Cry

1984

Omnitron

Sweden

Masterpiece

1990

On Thorns I Lay

Greece

Sounds of Beautiful Experience

1995

One Bad Pig

USA

Smash

1989

Onslaught

UK

Power from Hell

1985

Onslaught

UK

The Force

1986

Onslaught

UK

In Search of Sanity

1989

Onslaught

USA

The Slaughter (Demo)

1984

Open Festering Wounds

Australia

Mindstates

1994

Onslaught

UK

The Force

1986

Onslaught

UK

In Search of Sanity

1989

Open Fire

Poland

Demo

1985

Open Fire

Poland

Demo

1986

Open Fire

Poland

Lwy Ognia

1988

Ophiolatry

Brazil

Anti-Evangelistic Process

2002

Ophiolatry

Brazil

Transmutation

2008

Oppressor

Poland

Blasphemous Thoughts

1995

Oppressor

USA

Solstice of Oppression

1994

Oppressor

USA

Elements of Corrosion

1998

Opprobrium

Brazil

Discerning Forces

2000

Optimum Fury

USA

Demo

1989

Oral

Sweden

Slagen I Blod (EP)

1994

Orange Goblin

USA

Time Travelling Blues

1998

Orchriste

Sweden

Necronomicon (Demo)

1989

Ordained Fate

USA

Ordained Fate

1992

Order from Chaos

USA

Inhumanities (Demo)

1988

Order from Chaos

USA

Crushed Infamy (Demo)

1989

Order from Chaos

USA

Stillbirth Machine

1993

Order from Chaos

USA

Jericho Trumpet (EP)

1994

Organic Infest

Puerto Rico

Penitence

1993

Organized Kaos

USA

Kaotic (Demo)

1987

Organized Kaos

USA

Reconditioned (Demo)

1988

Orgon

Spain

Nuestros Sueños Son Vuestras Pesadillas

1992

Orgy of Pigs

Australia

Where Feeling Die

1992

ORH+

Portugal

Profecias Caóticas (Demo)

1992

Original Sin

USA

Sin Will Find You Out

1986

Orion

Macedonia

Dreams of Reality (Demo)

1990

Orion

Macedonia

Banishing Souls (Demo)

1991

Orion

Macedonia

Execration Behind the Walls (Demo)

1992

Orlac

Spain

Forthcoming Death

2000

Orphanage

Holland

Oblivion

1995

Orphaned Land

Israel

Sahara

1994

Orth

Germany

Leichenshmaus (EP)

1994

Orth

Germany

Ano Kato

1995

Osiris

Holland

Futurity and Human Depressions

1991

Ossuary

Lithuania

Trails (Demo)

1995

Ossuary

USA

Demo

1991

Ossuary

USA

Over her Dead Body (Demo)

1991

Ossuary

USA

Fat (Demo)

1994

Outbreak

Canada

Master Stroke

1986

Outburst

France

Fuck the Engineers (Demo)

1986

Outrage

Australia

Songs for a Romantic Evening (Demo)

1992

Outrage

Germany

Demo I

1985

Outrage

Germany

Demo II

1985

Outrage

Germany

The Book of the Seven Seals (Demo)

1987

Outrage

Italy

Smile of Death (Demo)

1986

Outrage

Japan

Blind to Reality

1989

Outrage

Japan

The Great Blue

1990

Outsider

Lithuania

Step to Nothing

1997

Overdose

Brazil

Conscience

1987

Overdose

France

Chasse 'a Ll'homme (Demo)

1988

Overflash

Sweden

Threshold to Realty

1993

Overkill

USA

Taking Over

1987

Overkill

USA

Under the Influence

1988

Overkill

USA

Years of Decay

1989

Overkill

USA

Horrorscope

1991

Overload

France

The First One...

1992

Overlord

Poland

Is Every Where (Demo)

1994

Overlord

Poland

In the World of Time

1998

Overthrash

Brazil

Demothrash II (Demo)

1989

Overthrow

Canada

Within Suffering

1990

Overtone

USA

Last House on the Left (Demo)

1993

Oxen Killer

France

Demo

1983

Oz

Finland

Fire in the Brain

1983

 

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