Mental Decay is a thrash/death metal band from Hvidovre, Denmark, formed in 2017. They forge aggressive extreme metal at the crossroads of death and thrash.

Mental Defect is a female-fronted melodic death metal/metalcore band from Leipzig, Germany, led by vocalist Clodi Korzin. Their evolution from dark-melancholic origins toward "low pitches, rough style and massively powerful" heaviness marks a deliberate reinvention of their sound.

Mental Disaster is a death/thrash metal band from Kristiansand, Norway, formed in 2013. They forge aggressive extreme metal at the crossroads of death and thrash.

Mental Disorder is a death metal band from Oberpöring, Germany, formed in 2020. Their sound delivers uncompromising death metal from the rural Lower Bavarian countryside.

Mental Distortion is a death/doom metal band from Flensburg, Germany, active since 2018. Their sound combines death metal's aggression with doom's crushing weight, emerging from Germany's northernmost major city near the Danish border.

Mental Illness is a progressive/death metal act from Norway, active since 2015. The band channels psychological turmoil into technically ambitious, emotionally intense compositions.

Mental Killing Spree is a death metal band from Wilhelmshaven, Germany, whose 2013 album "Centrifuge of Man" delivers ten tracks of old-school brutal death metal with socially conscious, philosophically-charged lyrics. Their artwork by Björn Gooßes of Killustrations places them alongside acts like Aborted and Facebreaker in the death metal visual canon.

Mental Torment is a death/funeral doom metal band from Kyiv, Ukraine, formed in 2013. They craft glacially paced funeral doom of devastating heaviness.

Mentally Ill is a melodic death/thrash metal and metalcore band from Frankfurt, Germany, active since 2015. Their sound bridges the aggression of Scandinavian-influenced melodic death metal with thrash and metalcore elements from one of Germany's largest cities.