| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| I Spy Red | Fox Soft Adventures |
1989 | English | Solution |
| I.T. - The Adventure of the Century | Addison-Wesley Publishers |
1983 | English | Solution, Map |
| In My Liverpool Home | Interface Publications | 1984 | English | Solution |
| In Search of Atahaulpa | Lee Software | 1987 | English | Solution, Hints |
| Inca Treasure | C. J. Richardson | 1991 | English | Solution |
| Inca Treasure, The | Dave W. Gore | 1989 | English | Solution, Map |
| Ingrid's Back! | Level 9 Computing |
1988 | English | Solution |
| Inner Space | Potter Programs |
1985 | English | Solution |
| Input Adventure | Input Magazine | 1984 | English | Solution, Map, Hints |
| Insomnia | Ian Hudson | ? | English | Solution, Map, Hints |
| Island Adventure | Glengary Soft | 1983 | English | Solution |
| Island of Secrets | Usborne Publishing | 1984 | English | Solution |
| Island of Xaan | Robico Software | 1984 | English | Solution, Hints |
| Island, The | A&B Computing | 1986 | English | Solution, Map |
| It's Magic | Central Computing | 1987 | English | Solution |