| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Obscene Quest of Dr. Aardvarkbarf, The | Gary Roggin | 1997 | English | Solution |
| Operation Aquatrash | Pro Hackers Dynasty | 1997 | English | |
| Orfeo en los Infiernos | Xavi Carrascosa |
1997 | Spanish | |
| Orion-1 | Kyro Games | 1997 | Spanish | |
| Oskar und der Tod | Uwe Pilz | 1997 | German |