Death-Black-Doom
Origin of Infinity - The Last Day on Earth
n, 2020, Origin of Infinity
Origin - Chaosmos
n, 2022, Agonia PL (red vinyl)
Organismos - Manejos Invisibles
n, 2011, Me Saco un Ojo Records UK
Ordo Inferus - Invictus et Aeternus
n, 2014, Doomentia CZ
Orcrist - Fallen
n, 2011, Aphelion UK
Opprobrium (Incubus) - Serpent Temptation
ss, 1988, High Roller D (2023)
Oppressor - The Demos
n, 1993, Hammerheart NL (2024) blue vinyl
Omega Infinity - Solar Spectre
n, 2020, Seasons of Mist FRA
Olde - The Gates of Dawn
n, 2013, Soulseller NL
Old Mans Child - Slaves of the World
n, 2009, Floga GRE (2018)
October Tide - In Splender Below
n, 2019, Agonia PL
Obtest - Auka Seniems Dievams
n, 2001, Leda Takas LIT (2011)
Numen - Numen
n, 2021, Les Acteurs de l'Ombre FRA
Nokturnal Mortum - Kolovrot
n, 2011, Osmose FRA (2020) - 3LP
Nocturnal Breed - Carry the Beast
ss, 2023, Dark Essence NOR
Nocturn - Estranged Dimensions
n, 1991, Dark Symphonies USA (2018) PURPLE VINYL
Nocturn - Estranged Dimensions
n, 1991, Dark Symphonies USA (2018) BLACK VINYL
Nocturn - Estranged Dimensions
n, 1991, Dark Symphonies USA (2018) CLEAR VINYL