Terror Detonator is a thrash metal band from Patras in the Peloponnese, active since 2010. Their music delivers explosive thrash aggression from Greece's third-largest city with the detonating force their name promises.

Terror Firmer from Emilia-Romagna and Lazio deliver grindcore named after the Troma film since 2015. A decade of schlock-horror-inspired compositions bridges two of Italy's most culturally distinct regions.

Terror Mundi is a heavy metal band from Sabadell, Spain, formed in 2020. They play traditional heavy metal from the Barcelona metropolitan area.

Terror Sound from Copenhagen deliver death metal with the horrifying sonic impact their name promises since 2018. Their compositions channel pure auditory terror through the Danish capital's prolific death metal underground.

Formed in 2019 in Tirana, Albania, Terror System play crossover thrash rooted in the aggressive, riff-driven sound of 1980s American hardcore-metal hybrids. Their 2020 debut album "Bringing Back the Old Ways" established the quartet — Ergys, Angelo, Igli, and Pol — as one of the few active extreme metal acts in the Albanian underground.

Terror Thrill is a thrash metal band from Cologne, Germany, formed in 2019. They play fast, energetic thrash metal from the Rhineland.

Terrorage from Palermo evolved from thrash and groove metal into brutal death metal with hardcore influences since 2012. Over a decade from the Sicilian capital has produced an increasingly extreme body of work.

Terrorain from Worcestershire deliver thrash metal crossover with the storm-of-terror their weather-themed portmanteau name promises since 2017. Their West Midlands countryside base channels hail-and-lightning aggression through riff-driven compositions.

Terrorazor is a grindcore/death metal band from Ober-Flörsheim, Germany, active since 1989, making them one of the earliest grindcore acts in the German scene. Their decades-long commitment to extreme metal reflects a pioneering spirit in the grind/death underground.