Magnificat is a death metal act from the southeastern Polish town of Dębica, active since 1996. One of Poland's longer-running death metal acts, the band delivers old-school extremity with the authority of nearly three decades.

A melodic death metal act from the Atlantic city of Nantes, Magnyfall emerged in 2022 with a sound blending Scandinavian melodeath harmonies with French musical sensibility. The band represents the continued growth of western France's metal underground.

Mahta are a death metal band from Sankt Veit an der Glan in Carinthia, Austria, operating in the underground extreme metal circuit. The band maintains a Bandcamp presence under the handle mahta.bandcamp.com and plays in the tradition of straightforward, unadorned death metal. Specific album details remain limited due to their underground status, but they contribute to Carinthia's small but persistent extreme metal scene.

Maim is a black and death metal band from Longeville-en-Barrois, France, active since 2008. They forge aggressive extreme metal at the ferocious intersection of black and death metal.

Mainbrain is a brutal death metal band from Málaga, Spain, blending technical death metal and grindcore elements into a punishing sonic assault. Their discography includes 'The Plague' (2012) and the six-track 'Jawbreaker' (2022), both delivering complex, aggressive instrumentation.

Mainswitch is a deathcore act from Tallinn, delivering breakdown-heavy aggression seasoned with Baltic intensity. Active since 2015, the band operates within Estonia's small but dedicated extreme metal community.

Maintain is a melodic death metal/metalcore band from Hamburg, Germany, formed in 2015. Their sound bridges the melodic sensibility of Scandinavian-influenced death metal with the breakdown-driven intensity of metalcore.

A deathcore outfit from the Galician city of A Coruña, Maisha brings crushing breakdowns and guttural fury to Spain's Atlantic coast. Formed in 2018, the band injects the aggression of modern extreme metal into Galicia's rock-oriented music landscape.

A progressive/melodic death metal act from the university city of Linköping, Maitreya has been crafting ambitious compositions since 2011. Named after the future Buddha, the band channels Eastern philosophy into complex Swedish melodeath.