| Title | Company | Year | Language | Documents |
|---|---|---|---|---|
| Castle Warlock | Guild, The, Adventure Probe Software | 1991 | English | Solution |
| Chillervilla | Guild, The | 1993 | English | Solution |
| Clemen's Revenge | Guild, The | 1987 | English | Solution |
| Cornwall Enigma, The | Guild, The | 1992 | English | Solution |
| Corya the Warrior-Sage | Guild, The | 1992 | English | Solution |
| Crash | Guild, The | ? | English | |
| Crash Landing | Guild, The | ? | English | Solution, Hints |
| Crown Jewels, The | Guild, The | ? | English |