| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Rakish | Nigel Downes | 1998 | English | Solution |
| Rendezvous | Richard Smedley | 1998 | English | |
| Research Dig | Chris Armitage | 1998 | English | Solution |
| Return to Adventure, A | Squid Productions | 1998 | English | |
| Rimblenden | Jarel |
1998 | Spanish | |
| Ritual of Purification, The | Jarek Sobolewski | 1998 | English | Solution |