| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| I.T. - The Adventure of the Century | Addison-Wesley Publishers |
1983 | English | Solution, Map |
| Ice Kingdom, The | Peaksoft |
1983 | English | |
| If I had a Million | Phoenix Software [1] |
1983 | English | |
| Immortal Strain, The | Broomsoft | 1987 | English | Solution, Map, Hints |
| Input Adventure | Input Magazine | 1984 | English | Solution, Map, Hints |
| Island Adventure | Apex Trading | 1982 | English |