Grang is a doom and sludge metal band from Hyvinkää, Finland, formed in 2015, delivering heavy, slow-burning compositions rooted in the crushing weight of doom and sludge. Their approach emphasizes massive low-end riffs and oppressive atmospheres.

Grate is a sludge/doom/industrial metal band from Gothenburg, Sweden, active since 2014 and merging the crushing weight of sludge and doom with industrial metal's mechanical intensity. The project delivers multi-layered heaviness.

Grava is a blackened post-hardcore and sludge metal band from Copenhagen, Denmark, formed in 2022, blending black metal atmospherics with post-hardcore dynamics and sludge weight. The band brings a multi-faceted heavy approach to the Copenhagen scene.

Grave Lines is a doom/sludge metal band from London and Brighton, formed in 2016. They deliver crushing doom and sludge from the southern English axis between the capital and the coast.

Grave Siesta is a doom and sludge metal band from Helsinki, Finland, active since 2010, self-described as 'doom/sludge metal from Helsinki,' with four releases spanning a decade including Piss & Vinegar (2015) and Voidward Spin (2019). Their sound has been characterized as 'spacey sludge,' blending atmospheric qualities with crushing heaviness.

Stoner/sludge/doom metal act from Cherkasy launched in 2025, delivering fuzz-drenched heaviness from central Ukraine. Their triple-pronged approach channels the crushing weight of all three subgenres.

Graveslime is a stoner/sludge metal band from Reykjavik, active since 2003. Over two decades they have delivered heavy, sludge-drenched stoner metal from the Icelandic capital, making them one of the island's most enduring heavy acts.

Graveyhard is a sludge/stoner metal band from Pontremoli in the Massa-Carrara province of Tuscany, formed in 2018. They deliver heavy stoner sludge from the Lunigiana region at the Tuscan-Ligurian border.

Greasus is a stoner/sludge metal band from Helsingborg, Sweden, active since 2017 and delivering heavy, fuzz-laden riffs from the Øresund coast. The project channels crushing sludge through a stoner haze.