Originally for the MZ-80A, MZ-80K and MZ-80B. Later for MZ-700. The Sharpsoft release is currently the earliest identified version of the game; dating from late 1982, early 1983 (it is advertised in Personal Computer World January 1983).
The Spectrum Quilled version, produced by brothers Andrew and Philip Broadhurst, seems to have been created in 1986. Its odd mish-mash of writing styles, with in-jokes and responses aimed at friends, seems to suggest that its either a port of the Sharp MZ release or a conversion of a common ancestor game. The Broadhurst brothers use elements of their version of Mexican Adventure as part of the fourth wall-breaking joke at the start of Snowdrop.
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