| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| I Spy Red | Fox Soft Adventures |
1989 | English | Solution |
| Inca Treasure, The | Dave W. Gore | 1989 | English | Solution, Map |
| Indiana Jones na Václavském náměstí | Zuzan Znovuzrozený |
1989 | Czech | |
| Infiltrator, The | Zenobi Software |
1989 | English | Solution, Map |
| Insel des Grauens | ? | 1989 | German | Solution, Map |
| Intruder Alert | Compass Software |
1989 | English | Solution |
| Island Adventure | Royal-Soft | 1989 | English | Solution |
| Island of Lost Hope | Digital Concepts | 1989 | English | Solution |
| Island, The | Ken Bond | 1989 | English | Solution, Map |