 | Ossian - Lelekero Metal |  13.04.2015 |
 | Ossilegium - The Gods Below Metal | 03.05.2024 |
 | Ossuary - Abhorrent Worship Metal | 23.05.2025 |
 | Ossuary Anex - Obscurantism Apogee Metal |  22.09.2020 |
 | Ostrogoth - Before The Full Moon Metal | 19.11.2021 |
 | Ostrogoth - Last Tribe Standing [EP] Metal | 23.01.2015 |
 | Otargos - 20 Years Of Human Termination [Live] Metal | 14.05.2021 |
 | Otargos - Apex Terror Metal | 15.09.2013 |
 | Otargos - Fleshborer Soulflayer Metal | 10.12.2021 |
 | Otargos - Xeno Kaos Metal | 13.11.2015 |
 | Otep - Atavist Metal | 26.04.2011 |
 | Otep - Generation Doom Metal | 15.04.2016 |
 | Otep - Hydra Metal | 22.01.2013 |
 | Otep - Kult 45 Metal | 27.07.2018 |
| Otep - The God Slayer Metal | 15.09.2023 |