| Title | System | Year | |
|---|---|---|---|
| DJ Old Games | Moonstone: A Hard Days Knight | unknown | 1991 |
| Old School Apps | Moonstone - A Hard Day's Knight | PC | 1992 |
| XTC Abandonware | Moonstone - A Hard Days Knight | PC | 1992 |
| The Good Old Days | Moonstone: A Hard Days Knight | PC | 1992 |
| GamesWin | Moonstone | PC | 1992 |
| Free Game Empire | Moonstone: A Hard Days Knight | PC | |
| Lostgames Abandonware | Moonstone | PC | 1992 |
| Free Online Games | Moonstone | PC | 1992 |