| Type | Title | Year | Publisher |
|---|---|---|---|
| Sinclair ZX Spectrum cass. | 🟩 Alien Adventure | 1984 | Hartley Soft., Stephen |
| Sinclair ZX-81 cass. | 🟩 Kongs Revenge | 1984 | Hartley Soft., Stephen |
| Sinclair ZX-81 cass. | 🟩 Sea Wolf | 1983 | Hartley Soft., Stephen |
| Sinclair ZX Spectrum cass. | 🟩 Straight Dealer | 1984 | Hartley Soft., Stephen |