| Title | System | Year | |
|---|---|---|---|
| RetroGames.cz | Commander Keen 4: Secret of the Oracle | PC | 1991 |
| DJ Old Games | Commander Keen 4: Secret of the Oracle | unknown | 1991 |
| Abandonware Dos | Commander Keen 4: Secret of the Oracle | PC | 1991 |
| XTC Abandonware | Commander Keen 4 - Secret of the Oracle | PC | 1991 |
| A Force For Good | Commander Keen 4 | PC | 1991 |
| Smush The Cat | Commander Keen - Episode 4 | PC | 1991 |
| Free Game Empire | Commander Keen 4 | PC |