| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|
| MOSH 23 | Nocturnus | The Key (LP, Album) | Earache | MOSH 23 | UK | 1990 |
| none | Nocturnus | The Key (Cass, Album, Unofficial) | Rock Gallery | none | Russia | 1995 |
| MM-0599 | Nocturnus | The Key (Cass, Album, Unofficial) | Mag Magic | MM-0599 | Poland | Unknown |
| MOSH 23CD | Nocturnus | The Key (CD, Album, RE, RM) | Earache, Cyclone Empire | MOSH 23CD | UK, Europe & US | 2000 |
| none | Nocturnus | The Key (Cass, Album, Unofficial) | Moon Records | none | Ukraine | 1997 |
US-exclusive reissue including the CD bonus track.
Includes lyric sheet.