Go out the elevator doors and turn left. There will be a bench with armor and a medkit on it. Pick it up and turn around. Now go forward and turn right. There will be some stairs. All of a sudden a dead marine will start flying into the air. Go up the stairs and an imp will teleport in to the upper right corner and another imp will teleport in behind you. Kill them then go up stairs and walk forwards and there will be a shotgun infront of you. Pick it up then turn right. Go forward until you hit the wall. Then turn right and there will be 2 medkits and 2 clips. Now turn around and go forward.

To your left there will be a door. Go through it. Go forward a bit and an imp will teleport in behind you. Kill him and turn around. To your right there will be a door. Go through it. Go forward a bit and turn left. A zombie will come at you. Kill him then go forward then right. Go forward a few steps and a fat zombie will come at you from the right. Kill him then turn right and go forward. A zombie and a maggot will come at you from the left. Kill them both. Now got straight ahead and pick up the medkit.

Now turn left and go to the last cubicle. Inside will be hand grenades. Now turn left and go forwards. There will be a ladder. Go up the ladder. Now turn right then left. There will be a vent in the corner. Crouch and go into it. Go right. Then go right again. Infront of you there will be a medkit and armor. Pick it up and a maggot will be to your right. Kill him and then in the upper left corner will be a clip. Pick it up. Now turn left and go into the vent again. Go right then go right again.

Go forward and there will be a little ramp. Go down it and turn left. Now turn right and go forward. Now drop down out of the vent. Right behind you there will be an imp. Kill him then go left. Go forward a bit and an imp will jump out of the floor infront of you. Kill him and a maggot will be behind. Turn around and kill the maggot. Now to your right will be a door. Go through it and there will be a zombie eating another zombie. Kill them both. Right infront of you there will be a health dispenser and a clip.

Get full health and the clip. Now turn around and on the desk to your right there will be a PDA. Pick it up. Now turn to your left and go through the door. Turn right and drop down into the hole that the imp made. Now crouch and turn around. There will be armor. Pick it up then turn around and get out of the hole. Now turn to your left and there will be a door. Go through it. Then turn right and there will be a door. Go through it. Turn left and a maggot will be there. Kill him and an imp will teleport in, breaking the window to your right. Quickly kill the imp and run through the door to your left because your oxygen will be going down. Once through the door there will be an imp to your left.

Kill him and go through the door to your right. There will be a zombie with a machine gun infront of you. Kill him and proceed through the door infront of you. Go left and left again. Infront of you there will be stairs and a door. Go through the door. Go forward and there will be stairs to your right. Go down the stairs and a maggot will teleport infront of you. A zombie with a shotgun and a zombie with a machine gun will come up behind you. Kill them and you will get a new objective. There will be a machine next to the stairs. Jump over the railing and run across the machine.

There will be a locked cabinet. Use the keycode 409 to open it. Inside there will be an ammo belt, a clip, some hand grenades and armor. Now turn around and run back over the machine towards the railing. Once you reach the railing jump over it. Now turn to your right and you will see some stairs. Go down the stairs and go through the door. Once through the door you will see another door. Go through that door. Infront of you there will be a medkit. Pick it up. To your right there will be 2 zombies with machine guns. Kill them and an imp will teleport into the upper right hand corner. A maggot will drop in behind you after you kill the imp. Kill the maggot and turn around. Go to the very first right and there will be a medkit. Now turn right and there will be crates to your right. Look behind the crates and there will be a medkit. After you pick up the medkit turn left and there will be an elevator.

Get on the elevator and lower it. Once the elevator has stopped an imp will climb down the wall infront of you and a maggot will come from your left. Get off the elevator and turn right. In the corner you will see some crates. Look behind them and there will be some armor and a medkit. Now turn around and to your left there will be a door. Go through it. Go right and there will be a clip. Pick it up. Now go left then right. There will be some stairs. Go up them then go right. There will be a scientist with a lamp. Follow him and make sure he doesn’t die.

When you get to the ladder an imp will come from your left and behind you. The scientist will die. Kill both the imps then climb up the ladder. Once up the ladder turn around and you will see a cabinet. Open it using keycode 102. Inside will be 2 clips and armor. Now turn around and you will see a door. Go through it. Once through the door there will be some pipes infront of you. Jump over them. Now turn right and go forward a bit. Now turn right again. Infront of you there will be 2 clips and 2 medkits.

Go back up and jump up onto the pipes so you can reach the clips and medkits. Once you get the medkit jump back over the pipes. Now turn right and there will be a vent. Crouch and go into the vent. Go left and then go left again. Now turn right and go forward a bit. Then left and right again. Walk forward some more then right and you will be out of the vent. Directly infront of you there will be a tiny vent and trite will come through it. Kill the trite and go to the upper left hand corner. There you will find 2 clips, a health dispenser and some armor.

Once you picked up all the stuff turn around and go forward a few steps then turn left. There will be a control panel with a button labeled ‘Extend service ladder’ Press the button and a ladder will start to come up to your left. The ladder will get stuck and heaps of trites will swarm you. Kill them all and the ladder will go up fully. Now you can go get healed at the health dispenser to your left. Once you are fully healed go up the ladder. Trites will come from your left, right and from infront. Kill them all then turn left and there will be a door. Open it by using the control panel to the right. Once through the door use the control panel inside with the button labeled ‘Exit Alpha labs 2’ and head on to sector 3.