Mars Base Delta and the Medusa Stone

Imagine being one of three Space Youths, hand picked to live in a base on Mars. There's high-tech equipment all around you, but despite your scientific background and analytical mind, you find out rather harshly that not everything is as it seems. There's a supernatural force at large that petrifies your best friend. It's a loss you're having a hard time dealing with, but according to a Martian legend, there might be an antidote hidden deep down beneath the ancient ruins, inside a dangerous labyrinth . . . What would you do?