Roller Coaster

Five years following its release, this game was re-skinned and adapted into Dragon's Lair: The Legend -- an unlikely adaptation, but one presumably motivated by, if not convenience, at least a certain economy of effort: porting between the Game Boy and the ZX Spectrum was known to be easier on account of their joint use of the Zilog Z80 microprocessor chip, and Elite Systems / Motivetime, having already purchased use of the Dragon's Lair license for their NES platform game in the same year (1990), appear to have decided to try to squeeze an extra game out of it.