Golconda is a progressive metal band from Catania, Sicily, active since 2011. Named after the legendary Indian fortress of diamond wealth, they deliver compositionally rich progressive metal from the foot of Mount Etna.

Golden Core is a progressive stoner metal band from Oslo, formed in 2017. They bring progressive complexity to stoner metal's heavy grooves from the Norwegian capital.

Goldenseed is a progressive death metal band from Staranzano in the Pordenone province, active since 1999. Over a quarter century from the Friuli Venezia Giulia region, they have delivered technically ambitious progressive death metal.

Gone is a progressive metal band from Kiel, Germany, formed in 2021, delivering intricate, technically ambitious metal from Germany's Baltic coast. The band explores complex structures and dynamic shifts within a heavy framework.

Gone Are the Days is a band from Saint Petersburg, Russia, that evolved from metalcore/alternative rock origins in 2017 into progressive metal territory. The project's genre evolution reflects growing ambition and compositional sophistication.

Gone Rogue is a progressive metal/rock band from Andalsnes on Norway's western coast, formed in 2017. They deliver progressive metal from the dramatic fjord landscape of More og Romsdal.

Formed in London in 2015 by ex-The Safety Fire guitarists Derya Nagle and Jaquin Ardiles alongside vocalist Elliot Coleman (ex-TesseracT) and drummer Alex Rudinger (ex-The Faceless), Good Tiger arrived pre-established as a progressive metal supergroup, raising $18,000 in crowdfunding within 24 hours of their announcement. Their debut A Head Full of Moonlight (2015) and follow-ups We Will All Be Gone (2018) and Raised in a Doomsday Cult (2020) on Metal Blade Records deliver intricate, melodically sophisticated music that draws from djent, post-hardcore, and math rock. The band has toured alongside Periphery and Between the Buried and Me.

Gorod is a technical death metal institution from Bordeaux, France, renowned for blending extreme technicality with memorable, groove-laden songwriting since their 2005 debut Neurotripsicks. Albums like Leading Vision (2006) and Process of a New Decline (2009) cemented their reputation as one of Europe's premier progressive death metal acts.

Gospel of Wolves is a black/progressive metal/post-hardcore band from Brescia, formed in 2018. They blend multiple genres into an ambitious hybrid from the Lombard industrial city.