Ordo Inferus - Invictus et Aeternus
n, 2014, Doomentia CZ
Organismos - Manejos Invisibles
n, 2011, Me Saco un Ojo Records UK
Origin of Infinity - The Last Day on Earth
n, 2020, Origin of Infinity
Orphaned Land - The Forbidden Tracks
n, 2019, Night of the Vinyl Dead ITA
Orthodox - Sentencia
ss, 2009, Alone records SPA (black vinyl)
Orthodox - Sentencia
ss, 2009, Alone records SPA (white vinyl)
Outrage - 1985 Demo(n)s
n, 1985, Ripping Storm, ITA (2014)
Outrage - The Book of the Seven Seals
n, 1987, Ripping Storm ITA (2023)
Pagan - Gehasst
m/m, 1997, Zorn D
Pagan Rites - Embrace the Torments of Hell
m/ex, 2010, Atolinga MEX
Paganfire - Hate Vanishing Point
n, 2008, Iron Bonehead D
Paganfire - Invoke False Metal´s Death
n, 2010, Monster Nation CZ
Paganfire - Wreaking Fear and Death
ss, 2013, Anger of Metal D
Pan.Thy.Monium - Dawn of Dreams
n, 1992, Dark Symphonies USA (2014) - black vinyl
Pan.Thy.Monium - Khaooohs
n, 1993, Dark Symphonies USA (2014) - black vinyl