| Tape image | /pub/sinclair/games/d/Defcom1.tzx.zip | 39,890 | - | NoneOriginal release (O) | | |
| Tape image | /pub/sinclair/games/d/Defcom1.tap.zip | 43,986 | - | Undetermined | | |
| Loading screen | /pub/sinclair/screens/load/d/scr/Defcom1.scr | 6,912 | - | | | |
| Running screen | /pub/sinclair/screens/in-game/d/Defcom1.gif | 6,748 | - | | | |
| Instructions | /pub/sinclair/games-info/d/Defcom1.pdf | 24,596 | - | | | |
| Inlay - Front | /pub/sinclair/games-inlays/d/Defcom1.jpg | 65,010 | - | | | |
| POK pokes file | /zxdb/sinclair/pokes/d/Defcom 1 (1989)(Iber Software).pok | 103 | c4538ca4863ea2013e8c079782872268 | | | |
| RZX playback file | https://archive.org/download/rzxarchive/defcom1.zip | - | - | | | Recorded by Rafal (with rollback) |
| Disk image | /zxdb/sinclair/entries/0001314/Defcom1.dsk.zip | 42,068 | eba67bc6c37f6db90e1d75aa346d1843 | None | | |