Jason's Gem
Jason's Gem is a computer game for the ZX Spectrum. It was published in 1985 by Mastertronic and written by Simon White. The hero Jason must make his way through a series of caves in search of the legendary gem of the title.
Jason's Gem
- Date
- 1985
- Publisher
- Mastertronic
- Genre
- action game
VALÉORINE Encyclopedia
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Documentary summary
Jason's Gem is a computer game for the ZX Spectrum. It was published in 1985 by Mastertronic and written by Simon White. The hero Jason must make his way through a series of caves in search of the legendary gem of the title.
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wikidata · Q6161871 · wikipedia · Jason's Gem
In this article
The object
The object
The game begins with Jason docking his spaceship on a moving platform. He then descends through rocky caverns blasting away the rocks as he goes. Upon reaching the bottom of the caves he must negotiate a series of platform screens before reaching his goal and attaining glory.
Key facts
Key facts
• Developer — Simon White • Publisher — Mastertronic • Genre — Action • Modes — Single-player • Platforms — ZX Spectrum
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- United Kingdom
Named but not plotted · 1
Jason's Gem is associated with United Kingdom.
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Secondary witnessreference work
Secondary witness
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 19 August 2026.
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