Galactic Cannibalism is a one-man cosmic black metal project from Seinäjoki, Finland, created by Henrik Pouttu, who handles all composition, performance, and artwork. The 2023 debut Planet Eater is a sci-fi concept album exploring themes of time, isolation, and cosmic horror across ten tracks of atmospheric and progressive black metal.

Gaoth is a one-person atmospheric and post-black metal project from Wexford, Ireland, created entirely by sole member F.S. since 2016. The project's two albums, Dying Season's Glory (2016) and The Obsidian Dialogue (2021), span over seventy minutes of cosmic, transcendent black metal blending folk, neofolk, and progressive elements.

Gartraada is a band from Novomoskovsk, Russia, that evolved from atmospheric black metal origins in 2009 into melodic death metal territory, tracing an arc across extreme metal genres. The project's genre evolution reflects a restless creative vision.

Gedanken toten Lebens is an atmospheric black metal project from Germany, formed in 2015, whose German name translates roughly to "Thoughts of Dead Life." The project channels melancholic, nature-themed atmospheric black metal in the German-language tradition.

Geisterfels is a French medieval atmospheric black metal project formed in 2017 by Nebel, Aldébaran, and Aharon, whose debut La Névrose de la Pierre tells the story of a 19th-century French poet's journey through the Rhine and Mosel valleys. The concept album draws parallels between castle ruins and mental collapse across eight tracks of historically grounded black metal.

Gen Aether is a Berlin-based atmospheric black metal and crust duo, formed in 2017, featuring LLL on guitars/bass/vocals and f. on drums. Their 2017 split with Swedish death-crust act Obscest was released on tape through Cirsium Kollektivet, blending atmospheric black metal textures with punk-inflected aggression.

Gespinst is an atmospheric black metal solo project from Bad Schussenried, Germany, formed in 2021 by A.A.S., who also leads the internationally acclaimed funeral doom band The Cold View. Releases include Das Leben Ist Den Tod Nicht Wert, Heimwarts, and Refugium, channeling forest-themed atmospheric darkness.

Glaciar is an atmospheric black metal project from Baden-Wurttemberg, Germany, formed in 2014, channeling vast, glacial soundscapes through layered black metal. The project takes its name from the elemental power of moving ice, reflecting its slow-building, expansive approach.

Gladium Regis is an epic/atmospheric black metal and dungeon synth project from Chieti in Abruzzo, formed in 2020. Their Latin name — meaning 'sword of the king' — signals the medieval grandeur of their atmospheric black metal.