Gamborimbo is a goregrind trio from Osnabruck, Germany, formed in 2022, whose debut Fiesta Mexicana (2022) packs thirteen tracks of humor-laced goregrind into thirty-six minutes. The three-piece of Stefan (drums), Paddy (guitar), and Chewie (vocals) self-produced the album.

Gamma Tauri Spawn is a technical brutal death metal quartet from Aachen, Germany, formed in 2023, whose lyrical themes draw on Sumerian mythology and H.P. Lovecraft's cosmic horror. Their 2023 debut EP Vicious Gods Below features six tracks produced and mastered by Fernando Roma, citing influences from Behemoth and Nile.

Gangrenectomy is a slam/brutal death metal band from Catania, Sicily, formed in 2017. They deliver the guttural heaviness of slam death metal from the foot of Mount Etna.

Gangrenomity is a brutal death metal act from Bellinzona in the Italian-speaking Ticino region of Switzerland, formed in 2014 with members from Insomnia Isterica. Their 2014 demo was a raw, DIY recording with drums captured in a single take and no triggers, yielding three tracks of slamming brutality.

Garden of Bones is a progressive and melodic death metal band from Stockholm, Sweden, active since 2018 and blending progressive ambition with the melodeath tradition that made Sweden famous. The project channels Stockholm's rich extreme metal heritage.

Garden of Delight is a death/doom metal band from Olkusz in the Lesser Poland Voivodeship, formed in 2016. They deliver crushing death/doom from the historic silver-mining town.

Garden of Eyes is a death metal band from Norwich in eastern England, formed in 2020. They deliver old-school death metal from the historic Norfolk capital.

Garden of Gods is a melodic death/doom metal band from Athens, formed in 2016. They blend melodic death metal sensibility with doom's crushing weight from the Greek capital.

Garden of Silence is a death-doom metal band from Paris, France, formed in 2025, merging death metal's crushing intensity with doom metal's deliberate heaviness. Their sound taps into the Parisian underground tradition of atmospheric extreme metal.