Finding the woman in Embassy 1
Wear the thermal goggles when using the laser mic on the woman.
Saulnier Cryogenic Level
The codes for the first computer are: Top: 1001, Bottom: 0010. The second codes are Top: 0110, Bottom: 1000.
Thermal Goggles
In the Subway level, bombs can be seen in the dark rooms by using the thermal goggles.