Virtually identical to King Arthur's Quest in almost every respect except, of course, for the scenario. This time you're an Aztec who finds that his fellow villagers have been hi-jacked by condors and the sun has failed to rise.
Natch, it's up to you to sort all this out and again, time is against you as your strength ebbs in the cold. As with Quest, you get an overlay and very brief outline and have to work everything out for yourself.