Genius of Sugarcane is a stoner/doom metal band from Nova Venécia, Espírito Santo, Brazil, built around the core of vocalist and guitarist Estevão Neri Massucatti, guitarist Luis Alfredo Santos, bassist Bruno Rodrigues, and drummer Rodrigo Gaspar Rodrigues. The band released their debut EP "Preludes from New Times" in November 2019, a three-track effort recorded at Audio Space Studio that draws on H.P. Lovecraft, spirituality, and nuclear themes across its doom-laden, psychedelic sound.

Genocidal Warfare are a black/war metal act from Antofagasta, Chile, who describe themselves as a "Satanic Cvlt of War and Death." The project released its debut EP "First Blood" in March 2025, a three-track assault produced by Daniel Contreras and featuring cover art by Alonso Tan.

Genocídio is a death metal band from São Paulo, Brazil, formed in 1986 and recognized as one of the country's early extreme metal forces alongside contemporaries such as Sarcófago and Vulcano. The band's obscure self-titled 1988 EP — later compiled by Nuclear War Now! Productions on "The Grave" (2021) with live tracks and demos — showcases their ferocious early sound, and the group has remained active through albums including "Under Heaven None" (2017) on Urubuz Records.

GGG Excrementor is a deathgrind and powerviolence outfit from Magé, Rio de Janeiro, Brazil, founded by ex-members of Gore and Affront — guitarist and vocalist Wilson Sacer, bassist Thiago Perdurabo, and drummer Tete Bloodgore. The band released their debut EP "Banquete Aos Vermes" in April 2025, a four-track recording mixed and mastered by Thiago Perdurabo at Polyversum Records.

Ghash is a one-man black metal project from Florianópolis, Santa Catarina, Brazil, the sole creation of a member recording under the name Oghor. The project released the demo "Forests of Perpetual Pain" through Gungnir Productions, a hypnotic and desolate recording built around effects-laden guitars and an atmosphere of misanthropy and despair.

Ghena is a one-man depressive black metal project from Betim, Minas Gerais, Brazil, with all instruments and vocals handled by the sole member recording under the name Infernaw. The project pursues a raw, old-school black metal aesthetic, with the single "Posthumous" among its released material.

Ghoul'Art is a one-person death metal project from Rio de Janeiro, Brazil, formed in 2024 by a solo musician who handles all vocals, guitars, bass, and drums. The project released its debut EP "Black Lodge" in July 2024 through Dead Icon Productions, drawing its lyrical concept from the TV series Twin Peaks and delivering old-school death metal in the vein of the Swedish HM2 guitar tone. Themes of blasphemy, horror, and supernatural events define the project's sound.

Ghriéving was a black metal solo project from Caracas, Venezuela, active until 2022 and released through Vigor Deconstruct. The project explored themes of dreams, illusions, and occultism across its discography, which includes the 2017 full-length "Somniaprima" and the 2019 EP "Chimére de Hypnos". Ghriéving was part of the Venezuelan C.M.B. (Cantus Maleficorum Bestiæ) Congregation alongside Bavtist and other acts.

Giant Jellyfish is a stoner/doom metal band from Santo André, Brazil, formed in 2018, featuring Teka Almeida on vocals and keyboards, Rafa Almeida on guitar, Claudio HC Funari on bass, and Leandro De Villa on drums. The band released their self-titled debut in 2018, followed by the sophomore full-length "Dark Dharma" on February 22, 2022, recorded by Danilo Pozzani at Acustica Studios. Their heavy psych and fuzz-driven sound draws on Black Sabbath while incorporating occult and psychedelic themes.