| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Rätsel der 7. Kolonie, Das | Kingsoft | 1986 | German | Solution, Map |
| Red Alert | Argus Specialist Publications, Computer Gamer | 1985 | English | Solution |
| RedKnight | Editoriale Video | 1986 | Italian | |
| Rettung zum Mars | ? | 1987 | German | Solution, Map |
| Return to the Castle | Pension Productions |
2020 | English | Solution |
| Revenge of Moriarty, The | Electric Storm Productions | 2019 | English | Solution |
| Rovátka | ? | ? | Hungarian | Solution |