 | Orbeth - Mentalist Metal |  01.01.2016 |
 | Orbit Culture - Death Above Life Metal | 03.10.2025 |
 | Orbit Culture - Descent Metal | 18.08.2023 |
 | Orbit Culture - Nija Metal | 07.08.2020 |
 | Orbit Culture - Shaman [EP] Metal | 24.09.2021 |
 | Orbita Wiru - My maszyny Metal |  13.05.2013 |
 | Orbital Gate - Demonstration Of Post Apocalyptic Warfare Metal | 28.03.2025 |
 | Orchid's Curse - Cynics & Liars [EP] Metal | 04.03.2016 |
 | Orchid's Curse - Words Metal |  26.03.2013 |
 | Ordalia - Odes For Victory Metal | 20.09.2023 |
 | Orden Ogan - Final Days Metal | 12.03.2021 |
 | Orden Ogan - Final Days: Orden Ogan And Friends Metal | 21.10.2022 |
 | Orden Ogan - Gunmen Metal | 07.07.2017 |
 | Orden Ogan - The Order Of Fear Metal | 05.07.2024 |
 | Order Of Orias - [Nowa Płyta] Metal | nieustalona |