| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Cave of the Troll | Critical Thinking Press | 1990 | English | |
| Codename: Iceman | Sierra On-Line |
1989 | English | Solution |
| Colossal Adventure | Level 9 Computing |
1982 | English | Solution, Hints, Clue sheet, Map |
| Corruption | Magnetic Scrolls |
1988 | English | Solution, Map |
| Crack of Doom, The | Addison-Wesley Publishers |
1989 | English | Map |
| Crapule, La | Brutal Deluxe Software, Froggy Software | 1987 | French | Solution |
| Crimson Crown, The | Penguin Software |
1985 | English | Map, Solution |
| Crimson Diamond, The | ? | 2024 | English | |
| Curse of the Azure Bonds | SSI | 1989 | English | Map, Solution |