Their first recording, a free demo tape limited to 30 copies, was distributed at their first gig at Koiwa Death Fest Vol.2, around March 2003, in Japan.

[5] A CD/DVD pack, entitled The Dawn of..., was released, containing a CD, demo and rehearsal footage, and a DVD recording of Gallhammer performing in Okayama and five concerts in Tokyo.

For their third LP The End released in 2011 their guitarist, Mika Penetrator, was no longer present, but nevertheless the band chose to continue as a bass-drums duo.

[6] For allmusic.com´s reviewer Phil Freeman "this has changed their musical style quite a bit; the thrashing punk metal of 2004's Gloomy Lights and 2007's Ill Innocence can still be heard on songs like "Rubbish CG202" and "Entropy G35," but tracks like "Aberration," "Sober," and the title cut are totally different—slow, sludgy death marches that owe more to Flipper and the Melvins than black metal.

[7] In an interview with Contraband Candy, Vivian Slaughter cited Hellhammer, Celtic Frost, Amebix and Burzum as Gallhammer's main musical influences.