| Tape image | /pub/sinclair/games/m/MutantFortress.tzx.zip | 36,368 | - | Unspecified custom loaderOriginal release (O) | | |
| Tape image | /pub/sinclair/games/m/MutantFortress.tap.zip | 35,613 | - | Undetermined | | |
| Loading screen | /pub/sinclair/screens/load/m/scr/MutantFortress.scr | 6,912 | - | | | |
| Running screen | /pub/sinclair/screens/in-game/m/MutantFortress.gif | 5,066 | - | | | |
| Game map | /pub/sinclair/games-maps/m/MutantFortress.png | 62,184 | - | | | |
| POK pokes file | /zxdb/sinclair/pokes/m/Mutant Fortress (1989)(Players Premier).pok | 137 | 7b0925b6ecdbfd878be7ed7b7981eff9 | | | |
| Inlay - Front | /zxdb/sinclair/entries/0003338/MutantFortress.jpg | 890,606 | dd6ee5d9cd10614888bb3a13ee883e5d | NoneSingle jewel case | | |
| Instructions | /zxdb/sinclair/entries/0003338/MutantFortress(EN).txt | 3,319 | 339ba52a4750aa7abbf9f59c8da8182b | None | | |
| Inlay - Back | /zxdb/sinclair/entries/0003338/MutantFortress_Back.jpg | 547,139 | 14b596a490cf9f494dc782c6e826af41 | NoneSingle jewel case | | |
| RZX playback file | https://archive.org/download/rzxarchive/mutantfortress.rzx | - | - | | | Recorded by Rafal (with rollback) - Infinite lives poke used |
| Media scan | /zxdb/sinclair/entries/0003338/MutantFortress_Media.jpg | 166,441 | 5dc75ac9705cbd6135dcf9930be91ed7 | None | | |