Gartraada is a band from Novomoskovsk, Russia, that evolved from atmospheric black metal origins in 2009 into melodic death metal territory, tracing an arc across extreme metal genres. The project's genre evolution reflects a restless creative vision.

Gasangriff is a black metal project from Ringsted, Denmark, formed in 2019, whose name means "gas attack" in German. The project channels aggressive, war-themed black metal from the Danish island of Zealand.

Gasbrand is a German black metal duo from Marburg (Franconia), formed in 2020, with Azaziel handling vocals, guitars, and bass while F.N. joined on drums in autumn 2020. Their discography includes Of Death and Despair (2020), Dishonor, Madness and Calamity (2022), and Fading Away in Nothingness (2025).

Gashkelah is a black metal project from Eindhoven, formed in 2020. They deliver black metal from the city that hosts Europe's premier underground metal festival, Roadburn.

Gaskammer is a black metal project from Sandanski, Bulgaria, formed in 2023, operating in the raw end of the black metal spectrum. The project channels a stripped-down, underground approach to the genre.

Gassturm is a black metal act from Thuringia, Germany, active since 1998, making them a long-running fixture of the East German black metal underground. The project channels nearly three decades of raw, uncompromising black metal from the former East.

Gast is a black metal project from Östergötland, Sweden, active since 2015 and channeling the atmospheric darkness of the Swedish countryside through raw black metal. The project's name, meaning "ghost" in Swedish, reflects its spectral approach.

Gastljus is a folk/black/death metal band from Skåne, Sweden, active since 2011 and weaving Scandinavian folk traditions into extreme metal from southern Sweden. The project merges ancient folk with aggressive black and death metal.

Gaszimmer is a black metal project from L'Aquila in Abruzzo, formed in 2025. They deliver black metal from the earthquake-resilient mountain city in central Italy.