Huntington Beach extreme metal collective fusing black metal, death metal, grindcore, and sludge into a chaotic, genre-defying hybrid that resists easy categorization.

Louisville sludge metal trio rooted in true sludge grime with infusions of doom, thrash, and punk, recording their punishing debut in an abandoned Catholic church for maximum sonic oppression.

Brooklyn sludge metal outfit with ex-members of Nausea and Born Against, churning out discordant, noise-rock-infected heaviness blending hardcore abrasion, sludge crawl, and death metal ugliness.

Founded by ex-Cattle Decapitation bassist Troy Oftedal, Cave Bastard forge a savage hybrid of death metal, sludge, and hardcore from San Diego with relentless abrasive heaviness.

Phoenix black/death/sludge project combining sludge-drenched atmosphere with raw black metal aggression, firmly situated in the underground extreme metal tradition.

Philadelphia's Cave Weta build massive post-metal structures from sludge-soaked riffs, channeling the patient heaviness of Neurosis and Isis into slow-burning, emotionally corrosive soundscapes.

Eau Claire's Caveat fuse crust punk's raw, d-beat urgency with sludge metal's tar-thick low end, resulting in a grinding, oppressive sound that moves between crusty blasts and suffocating slow-downs.

Oakland, Maryland's Cavern blend progressive metal's structural ambition with sludge heaviness and thrash metal's rhythmic aggression, producing a genre-spanning sound that shifts between cerebral complexity and sheer sonic weight.

Oshkosh's Cavernlight are a deeply mournful doom/drone/post-metal project whose music unfolds like an extended grief ritual — slow, crushing, and suffused with genuine desolation alongside acts like Thou and Bell Witch.

Toccoa, Georgia's Cebo))) operate in the drone-sludge tradition the triple-parenthesis suffix implies, building slow, bass-heavy walls of sound from repetitive, ritualistic riffing and cavernous low-end resonance.

Celestial Stag from Norfolk plays slow, earth-shaking doom-sludge with a dense, guitar-forward sound that draws on both the Southern sludge tradition and the suffocating heaviness of traditional doom. Their music moves at deliberate tempos, letting riffs breathe and crush in equal measure.

Brutal death metal band from McKees Rocks, Pennsylvania, delivering the genre's characteristic combination of blast beats, guttural vocals, and heavily downtuned riffing.

Doom and sludge metal band delivering the genre's slow, oppressive heaviness through down-tuned riffs and a suffocating atmosphere.

Cetacean is a Los Angeles, California doom and sludge metal band building massive, slow-moving compositions out of grinding riffs and oppressive low-end heaviness. Their sound evokes the oceanic enormity suggested by their name, blending Southern-inflected sludge with crushing doom.

Chained to the Bottom of the Ocean is a Springfield, Massachusetts doom and sludge metal band constructing devastatingly slow, cavernous compositions built on massive riffs and suffocating heaviness. Their work exemplifies the bleakest and most abyssal end of the American sludge-doom tradition.