Return to the House of 1,000 Doors to save mankind from annihilation! Giant snakes have burst out of the Earth and are wreaking destruction across every continent. Your mission: travel back in time to four different epochs to gather the elements needed to activate a machine that can destroy the ancient beasts! This is a special Collector's Edition release full of exclusive extras you won’t find in the standard version. As a bonus, Collector's Edition purchases count toward three stamps on your Monthly Game Club Punch Card! The Collector’s Edition includes: