Gilgamesh is a blackened death metal act from Munich, Germany, formed in 2013, named after the ancient Sumerian king of Uruk. The project channels the intensity of blackened death metal from Bavaria's capital city.

Gilgamosh are a death/thrash metal band formed in 2023 from St. Pölten and Vienna, Austria, representing a newer entry in the country's active extreme metal underground. They operate independently and have been building their catalog and live presence since their formation.

Gimli, Son of Gloin is a death metal/grindcore band from Southampton, formed in 2019. Named after Tolkien's dwarven warrior, they bring literary irreverence to their grinding death metal from the Hampshire coast.

Ginger Brain Man is a solo extreme metal project from Caen, France, formed in 2011, blending death metal, grindcore, black metal, noise, and psychedelic rock into a dark, avant-garde hybrid. The eleven-track debut Terreurs Nocturnes delivers surreal, genre-defying extreme metal across forty-two minutes.

Ginsberg is a melodic death metal band from Dusseldorf, Germany, with roots stretching back to 1983, making them a remarkably long-running presence in the Rhine-Ruhr metal scene. The band channels the Gothenburg-influenced melodic death metal style through a German lens.

Girders is a symphonic black/death metal project from Scotland, formed in 2017. They pair orchestral symphonic elements with the aggression of both black and death metal from north of the border.

Give Up the Ghost is a symphonic/melodic death metal band from Rimini on the Adriatic coast, formed in 2016. They blend symphonic orchestration with melodic death metal from the Romagna beach city.

Glacial Fear is a technical death/thrash metal band from Catanzaro in Calabria, active since 1993. Over three decades from southern Italy, they have established themselves as one of the country's most enduring technical extreme metal acts.

Gladenfold is a melodic death metal and power metal band from Turku, Finland, formed in 2023, with a prolific output including Dark Age Medieval Warfare, Misanthropic Reign Forest, and World Is a Depressed Place across numerous demos and full-lengths. Their catalog blends aggressive melodic death metal with dark atmospheric and medieval-themed imagery, released through their own Screech Merchant Records.