| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Captive | Interface Publications | 1983 | English | Solution, Hints |
| Caverns of Jupiter | Interface Publications | 1983 | English | Solution, Map |
| Christmas at the Microfair | Interface Publications | 1983 | English | Solution, Map |
| City of Atlantis | Interface Publications | 1984 | English | Solution |
| City, The | Interface Publications | 1983 | English |