Gudlos is a black metal project from Brno, Czech Republic, formed in 2015, channeling chaotic and kvlt black metal with existential and spiritual themes. The project operates in the lo-fi, underground end of Czech black metal.

Gudsforlatt is a groove metal band from Tonsberg in the Vestfold region, formed in 2016. Their name — Norwegian for 'God-forsaken' — captures the abandoned, desolate character of their groove metal from the Viking Age city.

Stoner metal and rock act from the Skane region of southern Sweden, formed in 2020 and delivering fuzz-drenched grooves with laid-back swagger. Their sound channels the warm, sun-baked heaviness of the stoner tradition.

Guerilla is a thrash metal band from Leeuwarden, Netherlands, active since 2013 and delivering aggressive thrash from the capital of Friesland. The project channels guerrilla-style tactical aggression through riff-driven thrash.

Guerilla Tree is a melodic progressive/gothic metal band from the Dusseldorf/Leverkusen area, Germany, formed in 2022, combining progressive complexity with gothic atmosphere. The band brings a dark, sophisticated approach to the Rhine-Ruhr metal landscape.

Guernica is a heavy/power metal band from Kolin, Czech Republic, formed in 2023, bringing European-style power metal to the Central Bohemian region. The band is in the early stages of establishing their presence in the Czech metal scene.

Gufonero is a sludge metal/post-hardcore band from Trento in Trentino, formed in 2016. Their name — Italian for 'dark owl' — captures the nocturnal, heavy character of their music from the Alpine city.

Guide to Oblivion is a melodic thrash/death metal and metalcore band from Rottenacker and Ulm, Germany, formed in 2013, blending multiple aggressive styles into an accessible yet heavy package. The band has maintained over a decade of activity in the Swabian metal scene.

Guignol Noir is a Swiss black metal duo from Basel, formed in winter 2007 by Cheib and Schiach and associated with the Milk ov Madness collective. Their releases Ritual ov Initiation and Mantric Malediction channel dark, ritualistic black metal with an occult, theatrical edge befitting their Grand Guignol-inspired name.