The albums below is my definition of extreme metal music, regardless of their genre. Entire list is based only on my personal preferences in metal.
Rules:
1. One album per band
2. 305 groups/305 albums…

1.In Flames - Clayman

2.Metallica - ...And Justice For All

3.Chimaira - Chimaira

4.Death - Symbolic

5.Testament - The New Order

      View entire list ››

(Easiest choice for number one so far)

Plus my top three favourite tracks from each release. \m/

Honourable mentions:
Deicide - Legion (Death)
Candlemass - Chapter VI (Doom)
Megadeth - Countdown To Extinction…

1.Alice In Chains - Dirt

2.Ministry - ΚΕΦΑΛΗΞΘ

3.Obituary - The End Complete

4.Rage Against The Machine - Rage Against The Machine

5.Holy Moses - Reborn Dogs

      View entire list ››

Must Listen: The First 7…

1.Dream Theater - Images And Words

2.Iron Maiden - Fear Of The Dark

3.W.A.S.P. - The Crimson Idol

4.Megadeth - Countdown To Extinction

5.Blind Guardian - Somewhere Far Beyond

      View entire list ››

One album per artist in alphabetical order which happen to be my favorites. Feels like an addendum to the ?Beginner's Guide To Building A Prog Collection" (http://www.metalstorm.net/users/list.php?list_id=58)…

1.36 Crazyfists - A Snow Capped Romance

2.Agrypnie - 16[485]

3.Ahab - The Call Of The Wretched Sea

4.Akercocke - Words That Go Unspoken, Deeds That Go Undone

5.Alkaloid - Liquid Anatomy

      View entire list ››

Party albums!!…

1.Rage Against The Machine - Rage Against The Machine

2.

3.Pantera - Cowboys From Hell

4.Judas Priest - Defenders Of The Faith

5.Anthrax - Persistence Of Time

      View entire list ››

1.Rage Against The Machine - Rage Against The Machine

2.Megadeth - Countdown To Extinction

3.Running Wild - Pile Of Skulls

4.Alice In Chains - Dirt

5.Darkthrone - A Blaze In The Northern Sky

      View entire list ››

1.Led Zeppelin - Led Zeppelin II

2.Rush - Rush

3.Rage Against The Machine - Rage Against The Machine

4.AC/DC - The Razor's Edge

5.Alice In Chains - Alice In Chains

      View entire list ››

I will be filling the gap years with more albums soon... :3…

1.IDLES - Brutalism

2.Radiohead - A Moon Shaped Pool

3.Ghost - Meliora

4.Septicflesh - Titan

5.Twenty One Pilots - Vessel

      View entire list ››

1.Agent Steel - Unstoppable Force

2.Annihilator - Alice In Hell

3.Anthrax - Among The Living

4.Artillery - By Inheritance

5.Baphomet - The Dead Shall Inherit

      View entire list ››

1.Dream Theater - Images And Words

2.Blind Guardian - Somewhere Far Beyond

3.Iced Earth - Night Of The Stormrider

4.Iron Maiden - Fear Of The Dark

5.Joe Satriani - The Extremist

      View entire list ››

My most listened to and favourite albums in my collection.

1.AC/DC - High Voltage

2.AC/DC - Highway To Hell

3.AC/DC - Let There Be Rock

4.Amon Amarth - Fate Of Norns

5.Amon Amarth - Once Sent From The Golden Hall

      View entire list ››

1.At The Gates - Slaughter Of The Soul

2.Death - Leprosy

3.Death - Spiritual Healing

4.Fear Factory - Demanufacture

5.Ghost B.C. - Opus Eponymous

      View entire list ››

in no particular order, I want to highlight metal's least popular genre(s).

1.Coal Chamber - Coal Chamber

2.Coal Chamber - Dark Days

3.Ill Niño - Revolution Revolución

4.Korn - Follow The Leader

5.Slipknot - All Hope Is Gone

      View entire list ››

1.Rage Against The Machine - Rage Against The Machine

2.The Gathering - Always...

3.Paradise Lost - Shades Of God

4.Alice In Chains - Dirt

5.Faith No More - Angel Dust

      View entire list ››