Afterage was a progressive thrash metal band from Rio de Janeiro, Brazil, formed in 2021 and short-lived before splitting up. The project sat within Brazil's technically oriented extreme metal underground, blending progressive song structures with the aggression of thrash metal in the vein of bands like Death and Symphony X.

Afterbleed Splatter is a black/death metal band from João Pessoa, Paraíba, Brazil, active since 2022 and operating in the extreme underground. The band has appeared on multiple compilations including "The Sound of Satanic Hellbangers" Volumes I and II (2022) and "Metal Against Nazifascism" (2023), establishing a presence in the Brazilian extreme metal tape-trading and compilation circuit.

AfterDreams is a power metal band from Campana, Buenos Aires, Argentina, with a discography that includes the albums Wildfire (2012) and Nightmare (2017), the latter showcasing a hard rock and power metal approach rooted in themes of faith and perseverance. The band's lineup has featured members performing under stage names including Paulie Danger on vocals, Bryan Blade and Freddie Crazy on guitars, Ernie Raven on bass, and Nicko Thunder on drums. Active in the Argentine metal scene, AfterDreams have built a following through years of recorded output and live performances.

Agadzagadza is a bestial black/death metal duo from Rio Grande do Sul, Brazil, formed in 2025. Their debut album "Ululo Das Almas Trucidadas" (2025) delivers nine short, brutally abrasive tracks built on chaotic distortion, harsh guttural vocals, and deliberately lo-fi production in the tradition of South American bestial black metal. The band's name draws from a trickster figure in Bura mythology, while their lyrics deal in transgressive anti-religious and apocalyptic imagery.

Again in Hell is a death/groove metal trio from João Monlevade, Minas Gerais, Brazil, formed with the stated mission of delivering brutal death metal in its purest form. The band — comprising Wally Roots on bass and vocals, Samuel Brad on guitar, and Marcos Vinicius on drums — has released three albums: "Falso Profeta," "Espírito de Porco," and "Maldade Genuína." Their sound combines the grinding aggression of Brazilian death metal with groove-driven rhythmic punch.

Against Death was a black/death metal band from Recife, Pernambuco, Brazil, active from 2010 until their split-up. Operating out of the Northeastern Brazilian underground scene, the band combined the rawness of South American black metal with death metal brutality. They maintained a Bandcamp presence under the name "Life Against Death For Fucks Sake," reflecting the irreverent spirit common to the region's extreme metal underground.

Against Humanity is a Brazilian atmospheric black metal project formed in 2017, crafting music described as bleak, depressive, and hateful in atmosphere. Their album "Lost" — recorded in 2011 and released in 2013 under an earlier incarnation — features tracks exploring wounds, inner voices, and existential burden, rooted in the misanthropic tradition of depressive black metal. The project sits within Brazil's sprawling underground extreme metal scene, channeling cold ambience and desolate riffing.

Agalarieth are a black metal band from Valdivia, Chile, who released the demo "Dark Path Begins" in 2011, recorded at Black King studio in Valdivia and issued as a pro-CDR limited to 300 copies. The four-track demo was also distributed on cassette through labels including Anti Cosmic Productions and Depressive Illusions Records.

Agape is a black/doom metal band from Rio de Janeiro, Brazil, formed in 2020. Drawing on themes of the human mind, inner darkness, and resilience, the band merges the slow, crushing weight of doom metal with the cold, abrasive textures of black metal. They are part of Rio de Janeiro's active underground extreme metal scene, operating independently.