| Title | Company | Year | Language | Documents |
|---|---|---|---|---|
| C.I.A. Adventure | Hugh Lambert | 1983 | English | Solution |
| Chateau Gaillard | Ballantine Books | 1983 | English | |
| Citadel of Pershu, The | Ballantine Books | 1983 | English | |
| Collegiate Capers | 80 Micro |
1983 | English | |
| Casino of Pleasure | Softcore Software | 1982 | English | |
| Circus | Channel 8 Software |
1982 | English | Solution, Hints |
| City of Knossos, The | Med Systems | 1981 | English | |
| Crime Adventure | SoftSide Publications |
1981 | English | Solution |
| Curse of Crowley Manor, The | Adventure International | 1981 | English | Solution, Hints |
| Curse of the Sasquatch | Mad Hatter Software | 1980 | English | Solution |
| Count, The | Adventure International | 1979 | English | Solution, Hints |
| Cathouse | ? | ? | English |