| Title | System | Year | |
|---|---|---|---|
| Abandonware Dos | Keys to Maramon | PC | 1990 |
| XTC Abandonware | The Keys to Maramon | PC | 1990 |
| The Commodore Zone | Keys To Maramon | C64 | 1990 |
| DJ Old Games | Keys to Maramon, The | unknown | 1990 |
| Title | Genre | Company | Year |
|---|---|---|---|
| ABC Fun Keys | Educational | C.E. Krehbiel | 1989 |
| Kids on Keys | Educational | Spinnaker | 1984 |
| Kids on Keys | unknown | Spinnaker Software | 1983 |
| Commander Keen 7: The Keys of Krodacia | Action | Ceilick | 2006 |