Level 19 (Catacomb II)

Level 19 - Tunnel to the Twelfth Tomb

Accessed from Level 13. Exits to Level 20 (or back to Level 1).

There is a hidden key behind the "bar" at the "Last chance tomb saloon" (shoot the top side of the wall extending into the room).

There is a hidden mirror in the bottom left side of the "altar room" (shoot the top side of the bottom-left block to open the way).