The Green River Project is a heavy metal/rock band from London, active since 2012. Their music channels the power and directness of classic heavy metal and rock through a modern British sensibility.

The Grief is a doom/gothic metal band from Cork, Ireland, formed in 2020. They create dark, emotionally heavy music that merges doom's crushing weight with gothic metal's atmospheric melancholy.

The Grudge is a southern/sludge metal band from London, active since 2016. Their music brings the swampy, low-tuned heaviness of southern sludge metal to the British capital, delivering crushing grooves and abrasive vocals.

Antwerp power metal band The Guardian have been active since 1997, building a catalog of independently released material within Belgium's heavy metal underground. The band operates as an unsigned act and represents a consistent commitment to traditional European power metal craftsmanship.

Brussels heavy/power metal band The Guild formed in 2001, blending classic heavy metal and power metal with stoner-influenced riffing across a catalog that includes a demo and a recorded album. The band's Bandcamp handle — diefortheguild — gestures toward the kind of sword-and-sorcery devotion to craft that defines their approach.

Liège-based thrash metal act The Guts bring a raw, high-energy approach to Belgian heavy metal, operating independently in the regional underground. The band maintains a Facebook presence and a Bandcamp page at thegutssuck.bandcamp.com and remain active in the Belgian metal circuit.

The HAARP Machine is a technical death/progressive metal/metalcore band from London, formed in 2020. Their name references conspiracy theories about weather modification technology, and their music delivers similarly otherworldly technical precision and progressive complexity.

The Halo Effect are a Swedish melodic death metal supergroup formed in 2019 by five former members of In Flames — guitarist Jesper Strömblad, vocalist Mikael Stanne, and long-serving members Niclas Engelin, Peter Iwers, and Daniel Svensson — with the stated goal of returning to the Gothenburg sound of the 1990s. Their debut album Days of the Lost (2022) delivered precisely what that pedigree promised: melodic death metal rooted in the era of Slaughter of the Soul and The Gallery, with accomplished production and songwriting that stood favorably alongside the genre's classic records. The band quickly established themselves as a significant force in the melodeath revival.

The Hammer Killers from the Basque fishing town of Bermeo deliver a raw fusion of heavy metal, speed metal, hard rock, and punk since 2014. Their violent name and coastal Basque origin drive a no-frills approach that channels the Atlantic storm energy of the Bay of Biscay.