| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Castle of Cire-Nampahc, The | Mousepacket Designs |
1982 | English | Solution, Map |
| Caverne des Lutins, La | ? | 1982 | French | |
| Cometfall | ? | 2012 | English | |
| Cornwall Enigma, The | Guild Adventure Software, The |
1992 | English | Solution |
| Corrupt | G.LL. Software | 1990 | Spanish | |
| Crash Dive! | ANALOG Computing |
1984 | English | Solution, Map |
| Craze | Odyssey Computing | 1984 | English | |
| Crazier | Odyssey Computing | 1984 | English | |
| Curse of the Sasquatch | Mad Hatter Software | 1980 | English | Solution, Map |
| Cygnis | AJ & KJ Games | 2015 | English |