

Take a left at the end of the hallway into the office. Don't worry about the headcrab scurrying in the vent shaft above you quite yet you won't have to deal with them until you find the blue keycard. Head up to the second floor and move through the hallway. Take them both out and call the elevator. Continue inside and you'll find a headcrab zombie and an armored headcrab zombie. You don't need the yellow keycard at this point after you've unlocked the door, so you can drop it. Take note of the security door with the blue keycard lock.įind some shotgun shells on a filing cabinet near the steps on your way back to the security door with the yellow keycard lock. Head up the steps behind you into the security office, kill the armored headcrab, and nab the keycard off of the security desk where the dead guard is sitting. Pull the door open and you'll find a closed-off security door that calls for a yellow keycard. Head up the stairs and find yet another Resin hanging out on a nearby ventilation shaft.įor the next part, you'll want to teleport up onto the ventilation shaft you just picked the Resin off of, then teleport along the piping until you're on the walkway across the room, next to the slightly ajar door to your right. Head back and walk up onto the platform, and shoot a nearby ammo crate for a health syringe.Ī Resin is hiding between a trash can and a pillar nearby, and if you continue moving down the platform, you'll find another Resin beside a cardboard box. Go all the way behind the train car in front of you (to the right) and grab a Resin. Head on through the door and out onto the tracks, and take care of the barnacles that are sitting in your way.
