 | Oomph! - XXV Metal |  31.07.2015 |
 | Oozing Wound - We Cater To Cowards Metal | 27.01.2023 |
 | Opera Diabolicus - Death On A Pale Horse Metal | 26.11.2021 |
 | Opera IX - Back To Sepulcro Metal | 01.11.2015 |
 | Opera IX - Strix Maledictae In Aeternum Metal | 24.01.2012 |
 | Opera IX - The Gospel Metal | 17.11.2018 |
 | Opera Magna - Del Amor Y Otros Demonios - Acto II [EP] Metal | 17.12.2015 |
 | Opera Magna - Heroica Metal | 01.03.2024 |
 | Operatika Element - [Nowa Płyta] Metal | nieustalona |
 | Operation: Mindcrime - Resurrection Metal |  23.09.2016 |
 | Operation: Mindcrime - The Key Metal | 18.09.2015 |
 | Operation: Mindcrime - The New Reality Metal | 01.12.2017 |
 | Operose - Oceans Of Starlight Metal | 07.02.2020 |
 | Opeth - Blackwater Park (20th Anniversary Edition) Metal | 16.07.2021 |
 | Opeth - Heritage Metal | 16.09.2011 |