Follow our crystal clear walkthrough and helpful tricks to get you through the rough spots!

Rotate the mirrors to beam the light on the rubies in the further nave.

To solve the puzzle, select each of the three mirrors two times (F).

Go forward.

Make a triangle with the rays.

To solve the puzzle select the following rubies: G, H and I x 2.

Go forward.

Examine the altar; take the CUBE (J) and read the book.

Examine the bas-relief and place the CUBE in the upper left slot to trigger a puzzle (K).

Rotate the cubes to match the photo in your journal.

To solve the puzzle, turn the following cubes: Upper left x 2, upper right, lower right x 3, and the lower left x 2 (L).

Take the UV LAMP (M) and the MESSAGE (@).

Back out twice.