After a successful teleport our hero ends up on the basement level of AS7 medical research facilty. He finds new challenges and evidence of resistance, but still no survivors, the only ones alive are the undead.

WASD or ARROW keys to move / Aim and Shoot with mouse

#1, 2, 3 keys to change weapons.

Pick up the key card in each area and exit at the top to advance.
Final goal: locate mainframe on level 13 and turn it off.