Alpheidae emerged from Dublin in 2016, fusing progressive metalcore with djent's rhythmic complexity in a combination named after a family of snapping shrimp. Their polyrhythmic precision and dynamic range set them apart within Ireland's growing progressive heavy music scene.

Altar of I are a melodic death metal band from Klagenfurt am Wörthersee who layer progressive and metalcore influences over their death metal foundation. Their 2023 album Human Resources is their most widely heard record, with tracks like 'Identity' and 'Kingdom of Doom' reflecting a band developing a more polished and expansive take on the genre.

Ambiviolence delivers metalcore from Warsaw as of 2025. Their portmanteau of ambivalence and violence captures the emotional tension driving their breakdown-heavy compositions from the Polish capital.

Ambryo fuses death metal, melodic death metal, metalcore, and thrash metal from Paris since 2014, casting a wide net across the extreme metal spectrum. Their embryonic name suggests a constantly evolving project that has not yet reached its final form.

Ameks delivers melodic death metal and metalcore from Moscow since 2013. Over a decade in the Russian capital, they have refined their blend of Scandinavian melodicism and modern metalcore dynamics.

Amokschlaf is a two-person metal project from the Ruhr region of North Rhine-Westphalia, Germany, describing themselves as a projectile loaded with homemade metal from their own production workshop. Their German-language releases including In Mir, Friss, and Kalt reflect a self-sufficient, DIY approach to aggressive metal with all composition and production handled in-house.

Among the Accursed is a metalcore band from Bonn, Germany, formed in 2022, whose rapid output includes the 2022 releases Beneath My Skin and Low Spirits followed by the eleven-track 2024 album Protagonist Syndrome. The band plays modern metalcore with aggressive instrumentation and a polished approach to the genre's heavy and melodic dynamics.

Metal band from Fribourg, Switzerland, with roots going back over five studio albums and 300-plus concerts before a 2019 rebranding toward a darker, more haunting sound. Their 2022 EP "Follow Blindly," produced by Vladimir Cochet at Conatus Studios, draws on death metal and hardcore influences to address themes of blind obedience and societal complicity.

An Ocean Between Us delivers metalcore from Italy since 2009, their evocative name suggesting the emotional distance that their intense, breakdown-heavy compositions attempt to bridge. Their longevity speaks to the enduring appeal of their emotionally charged approach.