Pandora Directive Easter Egg - Secret Room

1. At the Mayan temple, use the jackknife on the ceiling of the Snake Chamber (1st one)
2. Use the jackknife on the eye of the man being tortured on the wall 90 degrees to the left of where you entered the temple
3. Wait while it loads
4. You can click on the faces of the people in the centre of the room and they will say something
5. By looking at the stained glass window, you here a message, which is "Use the Cash on the Blue Void" backwards
6. Use Tex's cash on the blue void above the heads
7. To exit the room, move the button which says exit below the window