| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Cantar de Romanfredo, El | Aryekaix | 2005 | Spanish | |
| Castle Quest | Richard J. Derocher |
2024 | English | Solution |
| Citadelle | Loriciels | 1984 | French | Solution, Map |
| Conquests of Camelot: The Search for the Grail | Sierra On-Line |
1989 | English | Solution |
| Corona, La | SPE |
1988 | Spanish | Solution |
| Cruzado, El | Nuevo Software Espanol | 1987 | Spanish | |
| Crypte des Maudits, La | Lankhor | 1991 | French | Solution |
| Cursed Castle | Critical Thinking Press | 1990 | English |