| Tape image | /pub/sinclair/games/d/DefenderOfTheCrown.tzx.zip | 43,416 | - | NoneUnidentified copy (if STP) or original release | | |
| Tape image | /pub/sinclair/games/d/DefenderOfTheCrown(different).tzx.zip | 39,238 | - | NoneUnidentified copy (if STP) or original release | | (different) |
| Tape image | /pub/sinclair/games/d/DefenderOfTheCrown.tap.zip | 50,642 | - | Undetermined | | |
| Loading screen | /pub/sinclair/screens/load/d/scr/DefenderOfTheCrown.scr | 6,912 | - | | | |
| Running screen | /pub/sinclair/screens/in-game/d/DefenderOfTheCrown.gif | 6,424 | - | | | |
| Game map | /pub/sinclair/games-maps/d/DefenderOfTheCrown.png | 53,569 | - | | | |
| Instructions | /zxdb/sinclair/entries/0001321/DefenderOfTheCrown.txt | 39,769 | 48ea67b3fc68ab5982e0ad3d59287e50 | None | | |
| RZX playback file | https://archive.org/download/rzxarchive/defender.rzx | - | - | | | Recorded by Andrey Drozd |
| Ripped in-game/theme music in AY format | /zxdb/sinclair/entries/0001321/DefenderOfTheCrown.ay.zip | 1,447 | aea024d51c3047e9556e65344e332f59 | None | | |