This is the list of the top 50 extreme metal riffs by Decibel Magazine.
50. Sepultura - Dead Embryonic Cells (3:34 to 4:10)
49. Pig Destroyer - Trojan Whore (0:41 to 1:25)
48. Danzig - Twist of Cain (Intro/verse riff)
47. Torche - Rockit (Entire Song)
46. Rotting Christ - Fgmenth, Thy Gift (2:08 to 2:49)
45. Exodus - Bonded By Blood (0:27 to 0:54)
44. Isis - Celestial (the Tower) (Intro Riff)
43. Helmet - In the Meantime (0:23 to 0:36)
42. Earth Crisis - Firestorm (Intro to 0:48)
41. Black Sabbath - Children of the Grave (Intro to 0:50)
40. Defleshed - Mealbounded (1:48 to 2:10)
39. Dio - Holy Diver (1:19 to 1:39)
38. Cro-Mags - We Gotta Know (Intro Dirge Riff)
37. Dissection - The Somberlain (Intro)
36. Pentagram - All Your Sins (Intro to 0:16)
35. Ministry - Just One Fir (Main Riff)
34. Morbid Angel - Chapel of Ghouls (1:51 to 2:23)
33. Bolt Thrower - World Eater (0:51 to 1:37)
32. Mercyful Fate - Curse of the Pharaohs (0:14 to 0:28)
31. Motorhead - Orgasmatron (0:10 to 0:53)
30. Botch - Saint Matthew Returns to the Womb (Intro to 0:14)
29. Kyuss - Green Machine (Intro/Verse Riff)
28. Eyehategod - Dixie Whiskey (Intro/Verse Riff)
27. Death Angel - Bored (Intro to 1:05)
26. Paradise Lost - Eternal (0:08 to 0:40)
25. Mastodon - Blood and Thunder (Intro/Verse Riff)
24. S.O.D - Milano Mosh (Intro)
23. Diamond Head - Am I Evil? (1:24 to 3:31)
22. Entombed - Left Hand Path (Outro)
21. Converge - The Saddest Day (Intro)
20. Death - Zombie Ritual (Intro)
19. Metallica - Master of Puppets (0:21 to 0:49)
18. Megadeth - Holy Wars...the Punishment Due(4:37 to 4:55)
17. Black Flag - Black Coffee (Intro/Chorus riff)
16. Pantera - I'm Broken (Intro to 0:24)
15. Slayer - Angel of Death (1:38 to 2:06)
14. Dismember - Override of the Overture (3:13 to 3:34)
13. Iron Maiden - Hallowed Be Thy Name (4:24 to 6:24)
12. Katatonia - Murder (0:15 to 1:15)
11. Godflesh - Christbait Rising (4:54 to 6:24)
10. Celtic Frost - Into the Crypts of Rays (1:54 to 2:09)
9. The Dillinger Escape Plan - 43% Burnt (Intro/Outro)
8. Metallica - Creeping Death (Intro/Outro)
7. Neurosis - Locust Star (4:30 to end)
6. At The Gates - Blinded By Fear (0:38 to 0:55)
5. Black Sabbath - Supernaut (Intro)
4. Helmet - Blacktop (chorus riff)
3. Judas Priest - Breaking The Law (Intro to 0:12)
2. Carcass - Corporal Jigsore Quandary (Intro to 0:33)
1. Slayer - Reigning Blood (0:51 to 1:27)
Of course there are some flaws, but most of these are worth listening to. What riffs do you guys think were overrated, underrated or absent?
50. Sepultura - Dead Embryonic Cells (3:34 to 4:10)
49. Pig Destroyer - Trojan Whore (0:41 to 1:25)
48. Danzig - Twist of Cain (Intro/verse riff)
47. Torche - Rockit (Entire Song)
46. Rotting Christ - Fgmenth, Thy Gift (2:08 to 2:49)
45. Exodus - Bonded By Blood (0:27 to 0:54)
44. Isis - Celestial (the Tower) (Intro Riff)
43. Helmet - In the Meantime (0:23 to 0:36)
42. Earth Crisis - Firestorm (Intro to 0:48)
41. Black Sabbath - Children of the Grave (Intro to 0:50)
40. Defleshed - Mealbounded (1:48 to 2:10)
39. Dio - Holy Diver (1:19 to 1:39)
38. Cro-Mags - We Gotta Know (Intro Dirge Riff)
37. Dissection - The Somberlain (Intro)
36. Pentagram - All Your Sins (Intro to 0:16)
35. Ministry - Just One Fir (Main Riff)
34. Morbid Angel - Chapel of Ghouls (1:51 to 2:23)
33. Bolt Thrower - World Eater (0:51 to 1:37)
32. Mercyful Fate - Curse of the Pharaohs (0:14 to 0:28)
31. Motorhead - Orgasmatron (0:10 to 0:53)
30. Botch - Saint Matthew Returns to the Womb (Intro to 0:14)
29. Kyuss - Green Machine (Intro/Verse Riff)
28. Eyehategod - Dixie Whiskey (Intro/Verse Riff)
27. Death Angel - Bored (Intro to 1:05)
26. Paradise Lost - Eternal (0:08 to 0:40)
25. Mastodon - Blood and Thunder (Intro/Verse Riff)
24. S.O.D - Milano Mosh (Intro)
23. Diamond Head - Am I Evil? (1:24 to 3:31)
22. Entombed - Left Hand Path (Outro)
21. Converge - The Saddest Day (Intro)
20. Death - Zombie Ritual (Intro)
19. Metallica - Master of Puppets (0:21 to 0:49)
18. Megadeth - Holy Wars...the Punishment Due(4:37 to 4:55)
17. Black Flag - Black Coffee (Intro/Chorus riff)
16. Pantera - I'm Broken (Intro to 0:24)
15. Slayer - Angel of Death (1:38 to 2:06)
14. Dismember - Override of the Overture (3:13 to 3:34)
13. Iron Maiden - Hallowed Be Thy Name (4:24 to 6:24)
12. Katatonia - Murder (0:15 to 1:15)
11. Godflesh - Christbait Rising (4:54 to 6:24)
10. Celtic Frost - Into the Crypts of Rays (1:54 to 2:09)
9. The Dillinger Escape Plan - 43% Burnt (Intro/Outro)
8. Metallica - Creeping Death (Intro/Outro)
7. Neurosis - Locust Star (4:30 to end)
6. At The Gates - Blinded By Fear (0:38 to 0:55)
5. Black Sabbath - Supernaut (Intro)
4. Helmet - Blacktop (chorus riff)
3. Judas Priest - Breaking The Law (Intro to 0:12)
2. Carcass - Corporal Jigsore Quandary (Intro to 0:33)
1. Slayer - Reigning Blood (0:51 to 1:27)
Of course there are some flaws, but most of these are worth listening to. What riffs do you guys think were overrated, underrated or absent?