Overkill - Necroshine (red)
n, 1999, Night of the Vinyl Dead ITA (2025) red vinyl
Outrage - The Book of the Seven Seals
n, 1987, Ripping Storm ITA (2023)
Outrage - 1985 Demo(n)s
n, 1985, Ripping Storm, ITA (2014)
Orthodox - Sentencia
ss, 2009, Alone records SPA (white vinyl)
Orthodox - Sentencia
ss, 2009, Alone records SPA (black vinyl)
Orphaned Land - The Forbidden Tracks
n, 2019, Night of the Vinyl Dead ITA
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
Orden Ogan - Final Days
ss, 2020, AFM D - clear vinyl
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
Omen - Teeth of the Hydra
n, 1989, Black Beard ITA (2021)