| Sinclair ZX Spectrum Opus Discovery disk |  Spectrum Discovery Club Newsletter Xmas Bonus December 1990 | 1990 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 23 | 1991 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 24 | 1991 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 25 | 1991 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 26 | 1991 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 27 | 1991 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter Xmas Bonus December 1991 | 1991 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 28 | 1992 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 29 | 1992 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 30 | 1992 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 31 | 1992 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 32 | 1992 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 33 | 1992 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter Xmas Bonus December 1992 | 1992 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 34 | 1994 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 35 | 1994 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 36 | 1994 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 37 | 1994 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 38 | 1994 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 39 | 1994 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 40 | 1995 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 41 | 1995 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Spectrum Discovery Club Newsletter 42 | 1995 | Spectrum Discovery Club |
| Sinclair ZX Spectrum Opus Discovery disk | Tasprint | 1983 | Tasman Soft. |
| Sinclair ZX Spectrum Opus Discovery disk | Tascopy | 1984 | Tasman Soft. |
| Sinclair ZX Spectrum Opus Discovery disk | Tasword Three | 1986 | Tasman Soft. |
| Sinclair ZX Spectrum Opus Discovery disk | Sales/Purchase Ledger Invoicing | 1984 | Transform, Ltd. |
| Sinclair ZX Spectrum Opus Discovery disk | Transdata | 1987 | Transform, Ltd. |
| Sinclair ZX Spectrum Opus Discovery disk | 007 Multispy | 1987 | ZX-Guaranteed |
