| Name | Format | # Files | Size | Date |
|---|---|---|---|---|
| C900PCB.ZIP | PKZip Archive | 2 | 12KB | 1993-03-11 |
| C900WCAT.ZIP | PKZip Archive | 2 | 75KB | 1993-03-11 |
| PAYBBS.ZIP | PKZip Archive | 3 | 6KB | 1993-03-03 |
 (Night Owl Publisher) (1993).ISO/013a/c900demo.zip/BADCODE.ANS/BADCODE.png){kind=small}
 (Night Owl Publisher) (1993).ISO/013a/c900demo.zip/GOODCODE.ANS/GOODCODE.png){kind=small}
 (Night Owl Publisher) (1993).ISO/013a/c900demo.zip/THANKYOU.ANS/THANKYOU.png){kind=small}
| Name | Format | # Lines | Size | Date |
|---|---|---|---|---|
| C9MANUAL.TXT | Text File | 535 | 25KB | 1993-03-19 |
| HELP.MSG | Text File | 25 | 904b | 1993-03-15 |
| INFO.MSG | Text File | 29 | 1KB | 1993-03-15 |
| INFO.TXT | Text File | 25 | 1KB | 1993-03-15 |
| Executable | ||||
| Name | Format | Size | Date | |
|---|---|---|---|---|
| C9DOOR.EXE | MS-DOS/Windows Executable | 86KB | 1993-03-19 | |
| C9MASTER.EXE | MS-DOS/Windows Executable | 169KB | 1993-03-19 | |
| MKRCOD.EXE | MS-DOS/Windows Executable | 13KB | 1993-03-19 | |
| Unknown | ||||
| Name | Format | Size | Date | |
| C9MASTER.C9B | Unknown | 79KB | 1993-03-15 | |