 | Orpheus Omega - Wear Your Sins Metal |  29.03.2019 |
 | Orplid - Deus Vult Metal | 25.09.2020 |
 | Ortega - Sacred States Metal | 05.10.2016 |
 | Ortega - The Serpent Stirs [EP] Metal | 01.12.2012 |
 | Orthodox - A Door Left Open Metal |  06.06.2025 |
 | Orthodox - Axis Metal | 18.12.2015 |
 | Orthodox - Learning To Dissolve Metal | 19.08.2022 |
 | Orthodox - Proceed Metal | 30.06.2022 |
 | Orthodoxy - Ater Ignis Metal | 23.09.2022 |
 | Orthodoxyn - Orthodoxyn Metal | 01.01.2025 |
 | Oruga - Blackened Souls Metal | 19.05.2014 |
 | Oryx - Lamenting A Dead World Metal | 30.04.2021 |
 | Oryx - Primordial Sky Metal | 18.10.2024 |
 | Oshiego - Jaljalut Metal | 14.01.2022 |
 | Oshiego - The Book Of Wonders Metal | 29.03.2019 |