| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| 07 Zglos Sie | Kuba Rozpruwacz | ? | Polish | |
| 1 Line Cave Adventure | Digital Prawn, Einar Saukas | 2007 | English | Solution, Map |
| 13 Rue del Percebe | Pepsi Soft | 1992 | Spanish | Solution |
| 17.11.1989 | DoubleSOFT | 1989 | Czech | |
| 1942 Mission | CCS | 1985 | English | Solution, Map |
| 1st of April Joke | Smokers | 1997 | Russian | |
| 2001½ - A Space Idiot | Microtech Systems | 1986 | English | |
| 2003: A Space Oddity | DK'Tronics | 1984 | English | |
| 99Y | UK Lead | 1986 | Swedish |