| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Last Believer, The | Guild Adventure Software, The |
1991 | English | Solution, Hints |
| Last Warrior, The | Iron Chip | 1991 | Spanish | |
| Les Manley in Search for the King | Accolade | 1991 | English | Solution |
| Let's Compute Adventure | Let's Compute | 1991 | English | Solution |
| Library | Frederick D. King | 1991 | English | |
| Llave perdida, La | 3PSOFT | 1991 | Spanish | |
| Lonely Mission, The | 64'er, Markt & Technik | 1991 | German | Solution, Map, Hints |
| Lost Dragon, The | Tartan Software |
1991 | English | Solution, Map |
| Lost Stone Mansion, The | Paul R. Merkley | 1991 | English |