After a successful teleport you find yourself on the basement level of Alpha Station 7 bio-research facility. Shoot your way through hordes of the undead, locate and turn off the mainframe computer on level 13.
As Always, Good Luck and Have Fun.
Move with w-a-s-d or arrow keys / Use mouse to aim and shoot.
Switch weapons with #1, #2, and #3 keys
Find a key card in each room, otherwise you cannot exit through the door on top. Make sure you pick up any power ups in the room as there is no going back once you exit and move on