| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Caccia All'oro | ? | ? | Italian | |
| Castle Darkholm | Randy A. Cook | 1990 | English | |
| Castle David | ? | 1985 | English | |
| Castle Dracula | Mercury Software | 1983 | English | Solution |
| Castle Mygloug | John L. Larson | ? | English | |
| Castle of the Skull Lord | Samurai Software | 1984 | English | Solution, Map |
| Cave Maze | Jon Todd | 1983 | English | |
| Cave-In | Foxware |
1985 | English | |
| Caverne Oscure | Mattiazzi Mauro | 1984 | Italian | |
| Chateau Gaillard | Ballantine Books | 1983 | English | Solution, Map, Fixed game |
| Cinderella | Lucille F. Rock | ? | English | |
| Circle World | Aardvark |
1981 | English | Solution |
| Citadel of Pershu, The | Ballantine Books | 1983 | English | Solution, Map, Fixed game |
| Citta del Futuro, La | ? | ? | Italian | |
| Colossal Cave, The | ? | ? | English | |
| Computorama | Hackers Unlimited | ? | English | Solution |
| Count, The | Adventure International | 1979 | English | Solution, Map, Hints |
| Count’s Revenge, The | MAXware Creations | 1985 | English | |
| Cruel Canyon | Daredevil, Drax | 1987 | English | Solution, Map |
| Cutthroats | Infocom |
1984 | English | Solution, Map |