The Critical Failure from Alessandria deliver progressive metal exploring the concept of catastrophic system breakdown since 2018. Their Piedmontese base channels engineering-failure themes through technically ambitious arrangements.

The Cromptons is a death/thrash 'n' roll and doom/sludge metal band from Munich, Germany, formed in 2012. They blend the grooves of thrash 'n' roll with doom and sludge's crushing weight.

Indie sludge band from Lausanne in Switzerland's French-speaking region. Their catalog includes the releases Conjure, Horde, and Fuel! Flames! Blast!, blending sludge metal weight with indie rock sensibility.

Originating in Trollhättan, Sweden, in 1990 as Crown of Thorns before a name change forced by a US act, The Crown developed one of the most aggressive takes on melodic death metal of the Gothenburg era, fusing the melodic sensibility of the scene with old-school death metal savagery and thrash ferocity in the vein of early Possessed and Sepultura. The band released eleven studio albums between 1995 and 2024, including Cobra Speed Venom (2018) and Royal Destroyer (2021), and signed to Metal Blade Records for their final chapter before announcing their disbandment in late 2025 with a farewell tour scheduled through 2026. They are considered one of the most consistent and underrated acts of the Swedish death metal tradition.

The Crown of Yamhad is an atmospheric gothic metal and folk band from Berlin, Germany, formed in 2015. They weave folk elements into atmospheric gothic metal compositions.

The Crucifier is a thrash metal band from Athens, active since 1999. With over two decades of activity, they are one of the more established thrash acts in the Greek scene, delivering relentless aggression and speed.

The Cure emerged from Crawley's late-1970s post-punk scene after earlier school-band roots and became one of the most influential alternative rock groups of the modern era. Their early work moved from wiry minimalism on Three Imaginary Boys into the darker, more spacious sound of Seventeen Seconds, Faith, and Pornography, records that helped define gothic rock without reducing the band to that label. Robert Smith's guitar tone, voice, and writing became the center of a catalog that could move from bleak, hypnotic repetition to bright, off-kilter pop. The Head on the Door and Kiss Me, Kiss Me, Kiss Me expanded the range, while Disintegration turned atmosphere, grief, and melody into one of alternative rock's landmark albums. Later releases kept exploring the tension between intimacy and scale, including the long-awaited Songs of a Lost World. The Cure's history is unusually long, but its musical identity is coherent: bass-led movement, chiming or smeared guitars, emotionally exposed vocals, and songs that make melancholy, romance, dread, and pop pleasure occupy the same space without ever sounding fixed in one decade.

The Curf is a stoner rock/stoner doom metal band from Athens, active since 2007. Their music delivers heavy, fuzz-laden grooves and crushing doom riffs, contributing to Athens' vibrant stoner and doom scene.

Chișinău's The Cursed Strain fuse groove metal's rhythmic punch with death metal's aggression and deathcore's breakdowns, creating a heavy, multifaceted assault from Moldova's capital. Active since 2016, they are among the few Moldovan bands blending modern extreme subgenres.