Gamma Ray is a power/speed metal band from Hamburg, Germany, formed in 2015, carrying forward the tradition of high-speed European power metal that Hamburg is famous for. The band delivers velocity-driven metal with melodic precision.

Garant is a power/speed metal band from Sobeslav, Czech Republic, formed in 2009, delivering high-velocity European-style power metal with classic speed metal roots. The band channels the Czech tradition of energetic, double-kick-driven heavy metal.

Gates of Chaos is a symphonic power metal band from Rome, formed in 2017. They deliver orchestrally enhanced power metal from the Italian capital.

Gates of Doom is an epic death/black metal band from Cervignano del Friuli, active since 2015, having evolved from earlier melodic death/power metal origins. Their shift toward epic extremity reflects a darkening creative vision from the Friulian plains.

Gates of Paris is a symphonic metal project from Nice, France, formed in 2018 by guitarist Remch Carrayrou of Kerion, featuring vocalist Raphael Dantas and drummer Damien Rainaud of Once Human. Their self-titled concept album explores Parisian landmarks and history across twelve tracks with guest musicians from Adagio, Heavenly, and Fairyland.

Gates of Prophecy is an epic heavy/power metal band from Fregona in the Treviso province of Veneto, formed in 2022. They deliver commanding epic metal from the foothills of the Venetian Prealps.

Gemini Abyss is a symphonic power metal band from Lodz, active since 2013. They deliver orchestrally enhanced power metal from central Poland's largest city.

Gentry Lord is a solo progressive and power metal project from Finland, created entirely by Jori von Meriläinen, who composes, performs, and designs all aspects of the project. The 2013 debut Signals From The Mystiverse shifts seamlessly from power to thrash to spacey prog across cosmic and mystical concept narratives, released on CD by Stormspell Records.

Geomyth is an epic power and folk metal project from Cork, Ireland, formed in 2024 and blending the soaring melodies of power metal with folk instrumentation and mythological themes. The project explores Irish and wider mythological narratives through epic metal.