| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Red Moon | Level 9 Computing |
1985 | English | Solution, Hints, Clue sheet, Map |
| Return to Doom | Topologika |
1988 | English | Solution, Clue sheet |
| Return to Eden | Level 9 Computing |
1984 | English | Solution, Hints, Clue sheet, Map |
| Return to the Castle | Pension Productions |
2020 | English | Solution |
| Revenge of Moriarty, The | Electric Storm Productions | 2019 | English | Solution |