Audio Programs :
 - Freemake Audio Converter
 - Audacity

SFX :
 - vox_access_unauthorize (Valve)
 - vox_access_violation (Valve)
 - containment_open (Valve)
 - door_open (Valve)
 - door_locked (Valve)
 - button_unauthorize (Valve)
 - generator_loop (Valve)
 - toxic_loop (CS2D)
 - water_loop (CS2D)
 - fire_medium_loop (CS2D)

Music :
 - HEV_suit (Valve)