Alien RPG: Chariot of the Gods - Rules of Play says:
Chariot of the Gods is a complete Cinematic Scenario for the Alien Roleplaying Game written by sci-fi novelist Andrew E.C. Gaska, in which players assume the roles of the crew of the USCSS Montero. The 48-page adventure is designed to introduce players to the game while at the same time taking them on a thrilling, terror-filled ride into deep space where no one can hear you scream. Chariot of the Gods is designed for 3–5 players plus the game master and takes at least 4–5 hours to complete.