Urtica is a doom/sludge metal and crust band from Stockholm, Sweden, active since 2014 and bridging the gap between heavy doom-laden riffs and punk-rooted crust aggression. The project channels Stockholm's tradition of genre-blending heaviness.

Sludge and stoner metal band from Bristol, England, active since 2020 and channeling heavyweight fuzz from one of the UK's most creative music cities. Their sound draws from Bristol's rich tradition of heavy, bass-driven music.

Sludge metal band from Lahti, Finland, active since 2012 with multiple releases including split albums, blending doom and sludge with hardcore punk and powerviolence. Their Finnish-language tracks deliver crushing weight through extended compositions, connected to the wider Finnish underground through labels like Sewer Prison.

Usurpress is a death/sludge metal band from Uppsala, Sweden, blending death metal's ferocity with sludge's crushing weight. The band is one of Uppsala's notable contributions to Sweden's extreme metal landscape.

Sludge and stoner metal band from the small Croatian town of Nasice, active since 2009. Their heavy, fuzz-laden sound channels the weight of sludge metal with stoner rock's groove from the Slavonian countryside.

Sludge and doom metal band from Bristol, England, active since 2015. Their sound channels the crushing heaviness of sludge-doom, informed by Bristol's reputation as a hub for heavy, bass-driven music.

Utopium is a Lisbon-based death/sludge metal and grindcore act described as sounding like Nasum playing Entombed covers in Iron Monkey's rehearsal space. Their 2013 album Vicious Consolation / Virtuous Totality explores the seven vices and corresponding virtues across 18 compact, crushing tracks.

Uurn is a sludge/doom metal band from Malmo, Sweden, describing their sound as 'crippled bleak doom' that fuses doom metal with hardcore, noise rock, and sludge elements. Their 2022 album Strapped In, Ready To Go was recorded at The End Studio in Lund and released on a limited run of 25 cassettes that quickly sold out.

Vancouver is a sludge metal/metalcore band from Yverdon-les-Bains, Switzerland, formed in 2005. They combine the abrasive heaviness of sludge metal with metalcore's dynamic song structures and breakdowns.