You appear in a strange room without knowing that your objective is the search for a ball.
The ball was an experiment trying to replicate in Spectrum's BASIC a menu-driven text adventure model similar to the one used in its day in works like La Aventura Espacial in order to investigate the aspects that differed between that system and the traditional one in both the creator's and user's experience. To this end, the same argument (improvised on the fly for the occasion) was implemented in both systems.
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