Crypt

You've arrived at the crypt of the day. As far as you know, there's not much to separate it from any of the dozens of other crypts you've investigated over the course of your career. Some would say you're a crypt expert. Others might call you obsessed. The only thing you'd call yourself is...



That's right, the very same Cliff Brayson who solved the mysteries of the Interlocked Tombs, cracked the code of the Canadian cadaver, and singlehandedly worked out the message hidden in King Tut's teeth.



The very same Cliff Brayson who's just gone into the crypt while we've been out here talking about you.



Inside, we find you looking with casual interest at the far wall of the entry chamber. To the left of the door, there are a number of words, symbols, and letters.

SpoilerShow

All puzzles will be duplicated in text for convenience and accuracy.

Code:

WORDS
(+)-> WRUHV
ADDED

  PROCEED
    (+)--> AAAAAAA
  INWARDS

Looks like these A's can be changed by pressing the buttons above and below them, and presumably a combination 'submitted' with the button on the right. Maybe the right combination will open the door?

> _

(Solution:)

SpoilerShow

This is a simple Viginere. To do it without a table or program, convert letters to numbers, add them up, subtract 1 from the resulting numbers. Like so:

PROCEED
INWARDS

16-18-15-03-05-05-04
09-14-23-01-18-04-19

25-06-12-04-23-09-23
24-05-11-03-22-08-22

Answer: XEKCVHV