 | Opeth - Heritage Metal |  19.09.2011 |
 | Opeth - Pale Communion Metal | 25.08.2014 |
 | Ophis - Abhorrence In Opulence Metal | 05.09.2014 |
 | Orange Goblin - A Eulogy For The Damned Metal | 13.02.2012 |
 | Oranssi Pazuzu - Kosmonument Metal | 26.10.2011 |
 | Oranssi Pazuzu - Valonielu Metal | 11.10.2013 |
 | Orbita Wiru - My maszyny Metal | 13.05.2013 |
 | Orchid - The Mouths Of Madness Metal | 29.04.2013 |
 | Orchid - The Zodiac Sessions Metal | 18.11.2013 |
 | Orden Ogan - Ravenhead Metal | 16.01.2015 |
 | Orden Ogan - To The End Metal | 26.10.2012 |
 | Origin - Entity Metal | 10.06.2011 |
 | Origin - Omnipresent Metal | 04.07.2014 |
 | Orphaned Land - All Is One Metal | 24.06.2013 |
 | Ortega - The Serpent Stirs [EP] Metal | 01.12.2012 |