Between levels there's dialogue with Langdon and Neveau.
The first level is easy.
All you have to do is to move the mirror to the right position and rotate it.
For each completed puzzle, you'll get a letter.
In this puzzle you have to direct the light through three crystals.
If you use too many turns, you'll have to start over again.
Some puzzles have multiple beams in different colours.
Using a double sided mirror to direct two beams at one spot.
This device will split the light in two beams.
Don't let the light touch the red vials. They might explode!