Memento is a heavy/doom metal act from Porto, active since 2020. The band delivers crushing, reflective compositions from Portugal's northern capital with the contemplative weight their name implies.

Men Behind the Sun is a heavy/thrash metal band from Peine, Germany, active since 2012. Their sound delivers aggressive Teutonic thrash and heavy metal from the Lower Saxony underground, named after the controversial 1988 historical horror film.

Mendacity is a heavy/thrash metal band from Dorsten, Germany, formed in 2017. Their sound delivers aggressive thrash and heavy metal from the northern edge of the Ruhrgebiet.

Mennen is a heavy metal act from the Limburg town of Weert that has evolved toward a rock/pop direction. The band represents the fluid boundary between Dutch metal and mainstream rock.

Mental Arrest is a heavy/thrash metal band from Bremen, Germany, whose 2018 album "Deceiver" delivers ten tracks across 48 minutes blending thrash aggression with stoner metal heaviness. Their sound draws comparisons to acts like Lord Dying and Black Tusk, occupying the sludge-tinged end of the thrash spectrum.

Mental District is a heavy-thrash metal band from Craiova, Romania, founded in 2017. Drawing inspiration from Metallica, Megadeth, Testament, Kreator, and classic heavy metal acts, their catalog includes the album 'Back To Life' and tracks like 'Pur Sange Crud' and 'Bloody Day.'

A melodic heavy metal and hard rock act from Athens, Mental Powers has been crafting hook-driven compositions since 2010. The band blends the accessibility of hard rock with the power and precision of European heavy metal.

A heavy metal act from Kungsbacka with roots stretching back to 1984, Mentzer is one of Sweden's most veteran traditional metal acts. Four decades of persistence make them a landmark of the Swedish heavy metal underground.

A thrash/heavy metal act from the medieval Transylvanian town of Sighișoara, birthplace of Vlad the Impaler, Mercaptan has been delivering aggressive compositions since 2021. The band channels the dramatic history of their surroundings into driving metal.