Episode 1 - The Tunnel: Explore
The tunnel rock walls smooth out and are replaced by metal. The corridor of the tunnel ends at a sealed vault door. A computer terminal is near the entrance, with a small vertical line blinking on the screen. The computer terminal has a keyboard attached to it. Etched on the wall is the following:
tO eNtEr This WithOut Trouble Hold youR pEacE FOr as long as yoU caRe!
A loud click echoes through the chamber as the Vault door slowly swings open.