| Tape image | /pub/sinclair/games/j/JasonsGem.tzx.zip | 14,687 | - | NoneOriginal release (O) | | |
| Tape image | /pub/sinclair/games/j/JasonsGem.tap.zip | 16,794 | - | Undetermined | | |
| Loading screen | /pub/sinclair/screens/load/j/scr/JasonsGem.scr | 6,912 | - | | | |
| Running screen | /pub/sinclair/screens/in-game/j/JasonsGem.gif | 4,396 | - | | | |
| Instructions | /pub/sinclair/games-info/j/JasonsGem.txt | 1,614 | - | | | |
| Game map | /pub/sinclair/games-maps/j/JasonsGem.png | 47,833 | - | | | |
| POK pokes file | /zxdb/sinclair/pokes/j/Jason's Gem (1985)(Mastertronic).pok | 78 | ab3b4f9e3fb5d7c6f294213868eb621c | | | |
| Inlay - Front | /zxdb/sinclair/entries/0002579/JasonsGem.jpg | 344,234 | c63200b506ce228b32f994a8a11543d4 | NoneSingle jewel case | | |
| Inlay - Back | /zxdb/sinclair/entries/0002579/JasonsGem_Back.jpg | 327,863 | a437c254c51790676af07e4329a9509c | NoneSingle jewel case | | |
| RZX playback file | https://archive.org/download/rzxarchive/jasonsgem.rzx | - | - | | | Recorded by xmikex (with rollback) |
| Remote link | https://pobtastic.github.io/jasons-gem/ | - | - | None | | Source code repository - Disassembled |
| Media scan | /zxdb/sinclair/entries/0002579/JasonsGem_Media.jpg | 90,362 | f30af4facbe45e004ddcb23e83a8a70e | None | | |
| Media scan | /zxdb/sinclair/entries/0002579/JasonsGem_Media_2.jpg | 82,571 | fac4efca799b46813460c8dd3d93b177 | None | | |
| Media scan | /zxdb/sinclair/entries/0002579/JasonsGem_Media_3.jpg | 114,555 | 430fa340d7d5441f5ccc2352603c56f4 | None | | |
| Media scan | /zxdb/sinclair/entries/0002579/JasonsGem_Media_4.jpg | 77,974 | eb0b3b84e0f656200cbaab4efe503059 | None | | |