| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Tanker and Webb | Andrew Frederiksen | 1999 | English | Solution, Map |
| Tears Keep Getting In My Dr. Pepper | Marnie Parker | 1999 | English | Solution, Map |
| Tears May Fall | Ryan N. Freebern | 1999 | English | Solution, Map |
| Ten Little Adventurers | Adventure Probe Software |
1999 | English | Solution |
| They're After You! | Bob Reeves | 1999 | English | Solution, Map |
| Thorfinn's Realm | Robert Hall, Roy Main | 1999 | English | Solution |
| Titanic: Leo's Revenge | Volker Lanz | 1999 | English | Solution, Map |
| To Get To The Other Side | Bob Reeves | 1999 | English | Solution, Map |
| Tribu, LA | Alpha Aventuras | 1999 | Spanish | |
| Twisted! Deluxe | Ray R. Dunakin | 1999 | English |