| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Landing, The | Neil K. Guy | 1998 | English | |
| Learning to Cross | Mark J. Musante | 1998 | English | |
| Lesson of the Chicken, The | Rob Noyes | 1998 | English | Solution, Map |
| Lightiania | Gustav Bodel | 1998 | English | Solution |
| Little Blue Men | Michael S. Gentry | 1998 | English | Solution |
| Lola huele bien y adora el marisco | Alejandro Bárcena | 1998 | Spanish | |
| Losing Your Grip | Stephen Granade | 1998 | English | Solution |
| Lost | Mat Cooper | 1998 | English |