Mass Suicide is a grindcore act from Wrocław, formed in 2023. The band delivers rapid-fire blasts of extreme noise from Lower Silesia's capital.

Mass Turbation is a thrash metal and crossover band from Schweinfurt, Germany, active since 2016. Their sound evolved from pure thrash metal roots into crossover territory, blending thrash's speed with punk's raw energy from the Franconian underground.

Mass Turbo is a thrash/hardcore band from Modica, Sicily, Italy, blending 1980s hardcore and American crossover influences. Their 2017 debut EP 'The Wrestler' delivers a 'five-songs blast full of rage, irony and shitty attitude,' followed by a self-titled EP after a seven-year hiatus.

Mass Worship formed in Stockholm, Sweden in January 2018, combining Swedish death metal's characteristic HM-2-inflected ferocity with post-punk atmosphere and progressive structural ambitions. The band released their self-titled debut on Century Media Records, followed by Spiritual Destitution, the latter recorded at the legendary Sunlight Studio with producer Tomas Skogsberg, the engineer responsible for defining the classic Stockholm death metal sound. Their willingness to bring bleaker, more introspective elements into a death metal context connects them to contemporaries like Grave and Dismember while marking their own distinct direction.

Massacra formed in France in 1986 and became one of their country's most significant early death metal bands, releasing the debut full-length Final Holocaust in 1990 through Shark Records after a series of influential demos. Enjoy the Violence (1991) and Signs of the Decline (1992) secured their reputation within the European death/thrash underground, before the band shifted toward a heavier groove-oriented thrash approach on later records. Their story ended tragically when guitarist Fred Duval died of skin cancer in June 1997 at age 29, effectively dissolving the band.

Massacrator is a death metal act from Florence, active since 2016. The band delivers brutal extremity from the city of the Medici, providing a visceral counterpoint to Florence's artistic elegance.

Massacre of the Megafauna is a stoner, thrash metal, and metalcore band from Sheffield, England, formed in 2010. They deliver a chaotic blend of stoner metal, thrash, and metalcore from the Steel City.

Massaluca is a melodic death metal and metalcore band from Madrid, Spain, formed in 2024. They blend Scandinavian-influenced melodic death metal with metalcore's structural dynamics.

A black metal act from Bergen, Massemord has been delivering ferocious compositions since 2011. The Norwegian word for 'mass murder' signals the band's commitment to uncompromising black metal aggression.