Xinoma is a sludge/post-metal project from Moscow, Russia, formed in 2011 following the breakup of A Lifeless Polar Desert. Originally a full band, it evolved into a one-man project with dark, pessimistic lyrics addressing political, social, and existential conflicts, with their 2019 album "Parasitic Humanity" showcasing expansive atmospheric compositions.

Sludge metal band from Birmingham, England, with releases including "Epilogue" and "Chemical Masterpieces." Hailing from the birthplace of heavy metal itself, the band delivers crushing sludge with the kind of heaviness Birmingham is known for.

Sludge metal/post-rock band from Roermond, Netherlands, formed in 2021 in a town historically known for witch hunts. Their self-described "post-doom" sound blends heavy, apocalyptic music with raw emotion and occult aesthetics across releases including "I Am You" and "-S O N-."

Sludge/stoner metal heavyweights from Antwerp, Belgium, formed in 2011 and led by vocalist Ben Baert. Self-described as Belgium's sludge lords, they've shared stages with Corrosion of Conformity and High on Fire and performed at major festivals including Graspop and Desertfest, with their fourth full-length "Under The Weight" dropping in 2024.

Blackened doom/sludge metal band from La Chaux-de-Fonds, Switzerland, formed in 2022 as a five-piece featuring Alex Straubhaar and Julien Floch among others. Their 2022 album "Luhlae x The Witch" was originally composed as a cine-concert score for Robert Eggers' film "The Witch," commissioned by the festival 2300 Plan 9.

Zatokrev is a doom/death/sludge metal band from Basel, Switzerland, formed in 2004. Their extensive discography includes critically regarded albums like "The Bat, The Wheel And A Long Road To Nowhere" and "Silk Spiders Underwater," and they remain active touring European festivals including Arctangent.

Zatvor is a psychedelic sludge/stoner/doom metal band from Kursk, Russia, formed in 2018. They merge crushing heaviness with psychedelic exploration across the sludge, stoner, and doom spectrum.

Zhaba is a sludge/post-metal band from Moscow, Russia, formed in 2019. Their name, meaning "toad" in Russian, reflects their low-and-slow approach to heavy, atmospheric sludge.

Zhora is a progressive/sludge metal four-piece from Clonmel, Ireland, formed in 2012. Self-described as "righters of wrongs; drinkers of pints," their discography spans from "Feet Nailed to the Ground" (2012) through "Mortals" (2020), delivering progressive sludge with dynamic, layered compositions.