Not Fragile / Z-Iron - Masters of Metal
ss, 2004, Hellion DŠedý vinyl
Obituary - Dead
ss, 1998, Listenable FRA (2018)
Obsession - Order of Chaos
ss, 2012, High Roller D (2024)
Obsession - Scared for Life
ss, 1986, High Roller D (2024)
Obsidian Kingdom - A Year with no Summer
n, 2016, Season of Mist FRA
Omega Infinity - Solar Spectre
n, 2020, Seasons of Mist FRA
Omen - Into the Arena
n, 2012, No Remorse GRE
Omen - Teeth of the Hydra
n, 1989, Black Beard ITA (2021)
Onslaught - The Force
ss, 1986, High Roller D (2019)
Oppressor - The Demos
n, 1993, Hammerheart NL (2024) blue vinyl
Orden Ogan - Final Days
ss, 2020, AFM D - clear vinyl
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)
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
Pandemia - Pandemia
n, 1997, Paranoia Syndrome SUI
Pandemia - Personal Demon
n, 2003, Nasphyr CZ (2022)
Pandemonium - The Ancient Catatonia
n, 1994, Dark Symphonies USA (2017) CLEAR VINYL
Pandemonium - The Ancient Catatonia
n, 1994, Dark Symphonies USA (2017) WHITE VINYL
Pandemonium - The Ancient Catatonia
n, 1994, Dark Symphonies USA (2017) BLACK VINYL
Paradox - Product of Imagination
n, 1987, Diabolic Might D (2023)
Parasitario - Everything Belongs to Death
n, 2022, FDA Records D
Pathologist - Necrobituary: Medical Jurisprudence
n, 1991, Bizarre Leprous CZ (2020)
Pathologist – Necronanism: Sexual Cadaveric Mysophilia
n, 1990, Bizarre Leprous CZ (2020)
Patronymicon - All Daggers Towards the Sky
n, 2013, Carnal Records SWE(2016)
Patronymicon - Ushered Forth by Cloven Tongue
n, 2019, Osmose FRA