Insanir is a two-piece black metal/blackened death metal project from Burgas, Bulgaria, founded in 2022, with Latin-titled compositions reflecting anti-religious and philosophical themes. Their 2023 debut Sanctus Insaniam delivers eight tracks of blistering extremity across blackened death metal territory.

Insanis is a black/death metal act from Astrakhan, Russia, active since 2015 and merging the atmospheric darkness of black metal with death metal's crushing brutality. The project delivers fierce extremity at the crossroads of both genres.

Insaniter is a thrash metal band from Chios, Greece, active since 2023 and delivering aggressive, riff-driven thrash with relentless intensity. The project channels the speed and fury of the genre.

Insanity are a traditional heavy metal band from Rafing, Lower Austria, working in a style rooted in the classic European heavy metal of the 1980s. Operating as the cult-oriented solo or small-group project under the Bandcamp handle "insanitycult," the band channels the pure heavy metal ethos without crossover or extreme metal influences.

Insanity Alert are a crossover thrash band from Innsbruck who launched in 2011 and quickly became a fixture on major European festival bills including Hellfest and Brutal Assault, signed to Season of Mist. Citing S.O.D., D.R.I., Suicidal Tendencies, and Municipal Waste as primary influences, the band pairs frenetic 80s-styled thrash with a beer-soaked sense of humor, epitomized by the 2024 covers record Moshemian Thrashody.

Insanity Cult is a black metal project from Athens, Greece, active since 2014 and forging dark, aggressive extremity within the Greece black metal scene. The project channels the unrelenting intensity of the genre.

Insanity Deification is a brutal death metal band from Brașov, Romania, active since 2024 and dealing in the most extreme and guttural forms of death metal. The project channels punishing brutality with unrelenting intensity.

Insanity in Scarlet is a melodic death/power metal band from Prešov, Slovakia, active since 2020 and blending melodic harmonies with death metal aggression. The project channels the twin-guitar traditions of Scandinavian-influenced melodeath.

Death metal band from Manresa in Catalonia, active since 2017. Their sound delivers death metal from the industrial city northwest of Barcelona.