Gadget is a grindcore band from Gävle, Sweden, active since 2008. They deliver relentless blastbeat-driven extremity from this city on the coast of the Gulf of Bothnia.

Gaf is a grindcore and death metal band from Helsinki, Finland, active since 2008, blending grindcore's short-burst aggression with punk energy across releases like Mongofied (2008), Cultivate Disdain (2010), and Gore 'n' Feast (2015). Their sound is fast, filthy, and uncompromising, with an Entombed cover on their latest record nodding to Swedish death metal roots.

Galvanizer is a Finnish grinding death metal band from Laitila, active since 2013, featuring Vili Mäkinen, Aleksi Vähämäki, Osmo Laaksoharju, and Nico Niemikko. Their catalog spans seven releases from Ground Above through splits with Morbific to the Promo 2024, delivering relentless, aggressive death-grind.

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.

Gargleguts is a slam/brutal death metal/goregrind project from the United Kingdom, formed in 2023. Their deliberately grotesque name signals the visceral extremity of their slam and goregrind approach.

Garlic Grinder is a French grindcore duo consisting of vocalist T. and guitarist-programmer L., formed in 2020, delivering '1312% DIY' deathgrind and d-beat across politically charged short-burst tracks. Their 2020 demo packs six tracks into approximately six minutes, recorded between Montpellier and Beaumont-sur-Oise.

Gastric Ulcer emerged from Feldkirch in 2005 and blend death metal, thrash, and grindcore into short, socially cutting songs that target trends and cultural absurdities in everyday life. Their discography ranges from the 2006 demo Ants All Over My Body through mini-CDs and full-lengths including Redundant and Phall if You but Will, Rise You Must.

Gastroschisis is a goregrind/death metal band from Attard, Malta, formed in 2018. Named after the congenital abdominal wall defect, they deliver medical-horror themed extremity from the Mediterranean island nation.

Gatling is a death metal and grindcore band from Heusenstamm, Germany, formed in 2010, delivering relentless extreme metal from the Frankfurt metropolitan area. The band combines death metal's heaviness with grindcore's tempo and ferocity.