Day 2,105

Just when they thought they'd reached the bottom of the facility they found another stairwell, another door, another series of rooms or vast chamber full of broken vats large enough to hold an elephant. There was no official record of this place, no clues as to what had been studied or made, only yet more floors and yet more questions raised.

They knew one thing for certain - they were not alone. Something had been following them from within the vast network of vents since the first room. In fact it had knocked their prop away and let the door slam shut behind them, locking them in with nowhere to go but down.

Maybe it wanted them to find something right at the very depths of the facility. Maybe it wanted to lure them into its nest and kill them. Maybe it was just as curious and worried about them as they were about it. Nothing in any of the rooms so far had given them any answers.

For all they knew there was no end to the facility, no final chamber where everything would be explained and no way back outside. Turning back was as hopeless as taking the next stairwell they would inevitably find at the end of this latest room whose windows looked out onto pitch black water.

Strange shapes swam in the distance, rushing towards them whenever they shone their torches on the glass. Soon enough the windows were swarming with claws, teeth and incredibly long hair all battling to get to the light. As the first few cracks started to appear they ran for the next set of stairs, leaving the sound of breaking glass and wet, heaving gasps behind them.

The end was still not in sight.