| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| I.T. - The Adventure of the Century | Addison-Wesley Publishers |
1983 | English | Solution, Map |
| Ice Princess, The | Falsoft Inc |
1985 | English | |
| Iceworld | Coco-Cassette, T&D Subscription Software | 1985 | English | |
| Iconia | Falsoft Inc |
1987 | English | |
| In Quest of Chaos | Coco-Cassette, T&D Subscription Software | 1991 | English | |
| In Quest of the Star Lord | Sundog Systems | 1988 | English | Solution, Map |
| Infidel | Infocom |
1983 | English | Solution, Map, Hints |
| Intrigue | Falsoft Inc |
1988 | English | |
| Island | Falsoft Inc |
1985 | English |