| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Radiomania | Zenobi Software |
1991 | English | Solution, Map, Hints |
| Ramsbottom Smith: The Quest for the Yellow Spheroid | Zenobi Software |
2018 | English | Solution |
| Red Alert | Zenobi Software |
1991 | English | Solution, Map |
| Retarded Creatures and Caverns | Zenobi Software |
1989 | English | Solution |
| Return of the Roach | Zenobi Software |
2018 | English | Solution |
| Rhyme Cryme | Zenobi Software |
1995 | English | Solution, Map |