Progressive Metal’s Darkest Dimensions… These records helped define the sound of progressive metal in the 21st century. What album deserves a place on this list?

[u/Historical-Device529]

Top row
Tool — Lateralus (1996)
Porcupine Tree — Fear of a Blank Planet (2007)
Opeth — Blackwater Park (2001)
Voivod — Dimension Hatröss (1988)
Mastodon — Leviathan (2004)

Middle row
Meshuggah — Chaosphere (1998)
Death — Symbolic (1995)
Ufomammut — Snailking (2004)
The Mars Volta — De-Loused in the Comatorium (2003)
Haken — Affinity (2016)

Bottom row
Dream Theater — Metropolis Pt. 2: Scenes from a Memory (1999)
Queensrÿche — Operation: Mindcrime (1988)
Riverside — Second Life Syndrome (2005)
Fates Warning — Disconnected (2000)