| Type | Title | Year | Publisher |
|---|---|---|---|
| Commodore C16/VIC-20 cass. | 🟩 Head Alignment Kit for Computer Cassette Recorders | 198? | Robtek |
| Sinclair ZX Spectrum cass. | 🟩 Turbo Accounts | 1986 | Robtek |
| Sinclair ZX Spectrum cass. | 🟩 Turbo Base | 1986 | Robtek |
| Sinclair ZX Spectrum cass. | 🟩 Turbo Calc | 1986 | Robtek |
| Sinclair ZX Spectrum cass. | 🟩 Turbo Text | 1986 | Robtek |