Secrets of the Pyramid of Light

Secrets of the Pyramid of Light is a text adventure for the Commodore 64.

A dedicated archaeologist, you find yourself deep in the menacing, uncharted jungles of Mexico. To your surprise, you discover a village inhabited by the direct descendants of the Aztecs. To them you are the God that was to arrive from the outside world and fulfill a prophecy. They take you to the Sacred Pyramid of Light where you are forced to enter; thus confronting the Ancient secrets that lie deep in this mysterious structure. Find the secrets to the Pyramid or perish.

A text adventure, where the player must explore the alien origins of the ancient pyramid. There is a save/restore feature, and the text parser understands longer sentences.