Founded in Rio de Janeiro, Brazil in 1998, Grave Desecrator channel the savage spirit of early Sarcófago, Mutilator, and Holocausto through a black/death metal attack steeped in satanic and sacrilegious themes. Their 2008 debut Sign of Doom and the 2010 follow-up Insult on Nuclear War Now! Productions established their reputation as torchbearers of the brutal South American extreme metal tradition. In 2023 the band released Immundissime Spiritus through their own Caverna de Sangue Productions, maintaining full creative and commercial independence.

Grimpha is a death metal band from Curitiba, Paraná, Brazil, formed in 2015. The band released the demo "Induced Hate" in 2018, establishing themselves within the Brazilian underground death metal scene.

Grind Convulsion are a brutal death metal and grindcore band from Santa Fe, Argentina, signed to Inhuman Therapy Records. Their 2014 EP "Rebirth of Blood" includes tracks such as "Putrefaction In Crescendo," "Grotesque Deformity," and "While I Use Your Remains," along with two live recordings from the GFF '13 festival. The band also contributed tracks to the Argentine extreme metal compilations "Argentina Extrema Vol. 2" (2015) and "8 Ways to the Internal Rot" (2016), with Pat on bass, Juan C. on guitar, and Ismael on drums.

Grindeals is a grindcore and death metal band from Recife, Pernambuco, Brazil, formed in 2020. The independent act explores lyrical themes of violence, psychological struggle, death, and addiction within a brutal extreme metal framework.

Grisvelos is a one-man black/death metal project from Osorno, Los Lagos, Chile, created by Alfredo Torres, who also plays bass and backing vocals in the black/thrash band Degotten. The project debuted in August 2020 with the full-length "Desperatio," a nearly 50-minute album drawing from the influence of Morbid Angel, Immolation, and Marduk while channeling the band's description of Osorno as a cold, decadent city into music that blends ferocity with melodic, nostalgic atmosphere.

Grotesque Impalement is a death metal band from Olavarría, Buenos Aires province, founded as a duo by brothers Riky (drums) and Daniel Krotter (guitar and vocals), with Manuel Rossetti later joining on bass. The band released a self-titled EP in 2017 before dropping their debut full-length, Morbid Fetal Creation, in December 2021, recorded under EscabioDeth Records.

Guillotine is a thrash/death metal band from Santo André, São Paulo, Brazil. Their album Metal in the Vein (2007) was recorded at Studio Cativeiro in Santo André and includes a hidden cover of Death's "Defensive Personalities." The band has been noted as a notable addition to the international thrash metal scene.

Habitante is a doom/death metal band from Temuco, La Araucanía, Chile, formed around frontman and guitarist Carlos Aravena, who also handles production duties independently. Their sound fuses the atmosphere of European doom metal with the aggression of 1990s American death metal, and their releases include the album "Perseverancia Resiliencia" (2020) and the follow-up "Condena Funebre" (2022).

Hate Embrace is a death metal band from Camaragibe, Pernambuco, Brazil, formed in 2008. Their 2014 album Sertão Saga, released on Insane Records, is a conceptual work organized in three acts drawing on the history of the legendary northeastern Brazilian outlaw Lampião, blending death metal with regional folklore and lyrics sung entirely in Portuguese.