SND

The facility has been compromised. The lights are gone. You can't see anything.
You feel your way along the walls and use your hands to find your surroundings.
Navigate the darkness
Your Portable Access Terminal gives you access to blueprints of the facility. They show the structure around you and physical objects you can interact with: doors, lockers, desks, terminals, generators and other equipment.
But a blueprint can't tell you everything.
Move through the darkness with your hands. Listen to your surroundings.
Footsteps, machinery and other sounds can tell you where things are and how far away they might be.

Listen
Something is moving through the facility with you.
You can hear it approaching. You can work out where it is, but when it gets too close, hiding is the only option.
You can hide from it, but you can't kill it...

Find out what happened
The facility wasn't always like this.
Access terminals, read messages and use your P.A.T. to piece together what happened before the lights went out.
Find out if anyone else is still alive. And find a way out.