Enpro Sector 2:

Go through the two next doors and you will come out to the core. Follow the catwalk along to the left until you come to the second door since the first will be locked. Enter it and you will come around to Control 2 with a green beam in the center. Head to the right and head down the stairs there. Go through the now open door and go to the right, killing the maggots and imps that appear there by shooting the barrels. When they go sky high, follow the corridor until you come to the Plasma Control room. Kill the fatty to the right as you enter and head up the stairs and down the other side, killing the other fatty there.



Go through the door a smoke the imp that appears and head up the stairs while you head to the right. Now you will have to face a load of lost souls, wraiths and imps but there are also a large group of barrels to the left that can destroy most of them if they are close enough. When they are all dead, head through the door on the left past the two small sets of stairs. Enter and short scene will play. Kill the wraith there and then grab the PDA of Steve Hammer laying near the stack of boxes on the left. When you listen to it, it will tell you the code for the Plasma storage in the previous room. Head back there and enter the code 734 and then return to where you were talking to the marine. When you are back in the garage exit, head to the right side and head for the airlock.

Comm Transfer Sector 1:

As you step out of the airlock, grab the oxygen tank in front of you and watch out for the Cacodemon that attacks from the left. Either try to take him out or just run to the right as far as possible and enter the airlock there. Once inside the base, kill the zombie who crawls towards you and the z-sec on the walkway. Make your way up the stairs and head right. Continue along until you reach the stairs leading down and walk up to the blood covered door. After you are thoroughly freaked, kill the imps that appear and head to the right and enter the open vent. Crouch through and listen to the voice laugh at you as the skeleton moves. Mean bugger isn’t he?



When you reach the end of the vent shaft, kill the zombie on the right and head down the ladder to go back out to the mars surface. When you hit the ground, turn around and take out the trites and head to the far left grabbing as many oxygen tanks as you can. You will come to a lift that will take you back inside the base. Press the button to call it and fight off the trites as it comes down. Hop on when it does and enter the base. Take out the z-secs and imps that are in the next room. Head to the right and take out the three caco’s that appear here. Make your way to the left and you will come to a couple of shelves with crates and imps and a locked red door to the right side of the service tunnel. Go through the open door on the left side and there will be two chainsaw zombies that come out from each side to say hi. Kill them and the few other zombies that enter and grab the PDA of the floor. Once you have it, head over to the red locked door that was on the right and use the PDA on the control panel to get through.

Comm Transfer Sector 2:

Enter the hallway and it will turn black and light up red off and on. Kill the two zombie to the right and straight ahead. Continue down the hall and to the left will be a door that is locked and to the right an elevator low on power. When you check the elevator, a pinkie will rush out and the previous locked door will be open now. Go through to the right and kill the imp and wraith and around the corner will be some lava breaking through the floor. Kill the caco there and head around the right corner to the ladder there.



When you reach the top, you will get an objective to reach the control room and unlock the maintenance doors. Head up the stairs and there will be a control panel there that you need a PDA to operate. Head through the door on the right and follow the hallway to the right. Kill the imps, wraiths and pinky’s and go through the next door on the right. Grab the PDA on the ground next to the body and operate the control panel there to call the platform over to you. Stand on the 1 to the right and hop on the platform when it arrives. Turn the platform to the left and move forward. When you reach the end, turn right and move forward twice. Kill the z-sec that appears on the left and raise the platform up.



Head into the door on the left and follow the corridor to the next door. Go through and start to cross the bridge and an imp will appear. Take him out and continue through the door on the other side. Kill the z-sec on the right and the imp that will appear near the door. Continue up the left side of the room and kill the chainsaw zombie in the control room. Once he is dead, activate the control panel on the monitor to open the maintenance exit. Head back to the platform you were riding on and click the “move to station three – lift exit” button to move to the maintenance door.



Hop off the platform when it reaches it and kill the caco that appears. Head through the door and use the med station if needed. Make your way to the end of the hall and the floor will drop down. Grab the berserker pack there and start punching all the zombies that fill the area. When they are all dead, head for the yellow striped stairs and jump up to the door atop of them. Go through and kill the chainsaw zombie there and head for the airlock at the end of the hallway. Go through and run straight forward and ignore the caco’s that appear. Go up the small staircase on the left and head for the airlock there. Go through the airlock and run forward to the left side. Go through the airlock there as you fight off the 2 caco’s that appear. Enter the airlock and you will enter the communications.

Communications:

Exit the air lock and you will be in the Communications garage. After a short chat with Sarge, he will tell you that you need to find the main communications room to send a signal. Make your way up the stairs and kill the two caco’s that appear. Enter the elevator and head up to level three which will be communications. Step out of the elevator and kill the z-sec that appears behind the paneling. Head right down the hall and kill the wraith and imp there. Continue along the glass corridor and you will enter into the communications lobby. Kill the two z-secs here and use the control panel behind the central desk to open the door to communications.



When you do, the lights will go off and some baddies will enter. Kill them and head to the right of the room. Up top will be a design directing you to the monorail entrance and the comm. center. Head towards the comm. center and follow the walkway along and down the stairs to enter the room where you just saw Swan and his body guard in. Enter the room now that it’s on fire and walk to the console in the center and Sarge will contact you and tell you that you need to get to the Satellite Control center through engineering to send the transmission since they destroyed this comm. center. Grab the PDA to the right of the monitor and head back out of the room. Go to the red locked door there and kill the imp and zombie and use the PDA to open the door.



Go through the hallway of engineering unit one and you will enter a small toom with a lift on the right side. Kill the z-secs here and call the lift using the panel on the wall. When it comes up, hop on and take a ride down. Hop off and follow the corridor to engineering unit one and take out the imp on the top left. Go to the far side of the room and head through the door on the right. Kill the imps and z-secs in here and proceed around the left corner. Head up the small set of stairs there and go through to the center of the room where an imp will appear at the door to the right. If you go straight, there will be a storage room with armor in it but you’ll also be ambushed by three zombies and an imp. Head to the right door and an imp will spawn behind you as you enter. Head up the stairs and run past the extending arms as they retract. Go through the next door and you will come to a large bay door that will take you to Sector 2.

Communications Sector 2:

take the lift up. When you reach the top , go through the next door and go up the stairs. Follow the catwalk along, killing the two z-secs and go down the other side. Grab Ben Wolfe’s PDA on the ground before going through the door there. Make your way through engineering unit 2 and there will be a door directly ahead and a door to the right. The door on the right will be locked for now so go straight. Enter the room there and kill the z-sec. Sarge will tell you to get moving to Delta Lab since that’s where he is. Bossy bitch isn’t he? Before leaving the room, activate the sentry and use code 246 on the cabinet there to grab some ammo and grenades. Exit the room and follow the sentry along as he leads you through a few locked doors. You need to make sure your keep your sentry alive.



If you don’t, you have to go back to the office and get another one to let you through the locked doors. Once the sentry reaches his resting spot, jump in the elevator and take a ride up to the third floor to satellite control. Exit off the elevator and grab the PDA on the ground next to the corpse. Head to the right and follow the corridor all the way to the satellite control room. Walk down the stairs and use the control panel to activate the satellite. When you do, Swan will appear on the monitor and tell you not to call the marines. Here you are given a choice as to whether or not you want to. The result on which you choose will only affect the dialogue in the game later on, but not any actions. Choose which ever you like and you will be told to head for the monorail station entrance. Head back to the elevator and take it down to maintenance. When you step out, take out the imps and z-secs and run through the long walkway to the next door. Go through and follow the corridor to another bay door. Enter it and you will be at the Skybridge.

Monorail Skybridge:

Walk out of the door and make a left down the hallway. Take out the pinky that comes around the corner when the lights go off and make your way around it yourself. Head down the corridor and take out the zombies and maggots that are there and use the med station if needed. Go through the door to enter Storage 1 where a scene will play to introduce you to the Revanents. Use the plasma gun on these guys since you can shoot down the rockets with it. Take him out and head up the stairs. Go to the left and up the next set of stairs to run into another Revanent.



Kill him and go along the right edge to get over the gap to reach the door. Kill the pinky in here and maker your way to the door on the right. Go through and after the maniacal laughing take out the imp and maggots that appear. Call the lift by using the control panel there and hop on to take a ride down. When you get off, kill the three maggots that appear and make your way down the corridor. Make a left at the end and you will have a Revanent to deal with. Kill him and go through the door down the farthest hallway on the left. Kill the imp there and make your way through the room going to the left. Take out the three pinkies that show up and go through the small corridor when they are dead. Enter the secondary pump room and there will be a wave of zombies and maggots to destroy. When they are all dead, make your way to the back of the room and head up the staircase there. Kill the imp and go to the right and follow the catwalk around to the left to reach another door.



Go through and take out the maggots on the ground. When they are dead, go through the next door and you will enter the toxic waste processing plant. If you touch the floor it will hurt so you need to drain it. Go to the right and jump across to the square platforms. Go in the door there and take out the imps gathered. Follow the hallway around to the stairs and take it up to the ledge where the broken stairs were. Grab the PDA and video disk off the console and activate the pump to clear the waste. Head down the broken stairs and make a right to go back into the room that was filled with waste. Now you can walk across the floor and head to the ramp on the far side. Head up it and kill the imp there and head up the stairs. Go through the door there and enter the large bay door to enter the second section.

Recycling Sector 2:

Walk forward and enter pump station 1. Head over to the right and enter the small booth there. Use the control panel to reactivate the primary pump systems and you will get a short message from Betruger and you’ll see that it doesn’t matter if you decided to send the signal or not earlier. Kill the imps as they appear at the door and go through. When they are toast, walk over to the piston moving up and down between the striped yellow walls and ride it to the top. Jump off to the left and walk along the catwalk and head over to the door. Go through and Betruger will start talking to you again as more imps attack. Kill them and head through the next door. When you enter the next area, you’ll see the large locked door on the right. Make your way to the left and head through the next door that leads into the storage area. Use the med station out side the door if needed and then head straight in to the room and take out the zombies and imps in here.



Grab the goods and head through the next door on the left. Head along the catwalk and make your way down the stairs and make a left when you reach the end of the hall. Go around the corner and make a right and follow the corridor. Go through the green smog and when you reach the second green cloud go up the small set of stairs there on the right. After you go up them, make a right to go into the storage room ad go through the door at the rear of it. Kill the Revanent hanging around there and continue through to the next door. Kill the zombie to the left and use the control panel dead ahead to shut off the vents and stop the toxic gas from entering the room below. Once you vent the gas, kill the few imps that appear to the right and the zombie on the left. Head back out through the storage room and down the small set of stairs. Make a right there to go down another set of stairs and another right to reach a large door. Go through the room that had the gas in it and go through the large bay door at the end.

Recycling Sector 3:

Head down the stairs to the left and you’ll run into a few freaky fuggers known as cherubs. Kill them all as they enter from around the corner and make your way past afterwards. Head up the set of stairs when you eventually reach it and kill the two imps. Go through the door there and you will come to a lift. Activate the panel on the left and take it for a ride down. Continue along the corridor and pop the cherub that shows up and hop down the broken staircase. When you reach the bottom foggy area, go to the left and you will hear the next baddies waiting for you grumbling. Head out into the open area and you’ll be introduced to the Mancubus. There will be three of them to deal with down here and they are some huge ass mofo’s. Make sure you use the pillars in the area for cover and try to sneak up behind them and fire a few shots into their backs before they get a chance to turn around and fire with their dual fireballs.



Also spread out around the room are health packs and ammo that will come in handy for this battle. After each of them is taken down, a few more cherubs will appear and the ramp on the far right will lower allowing you to get out. Go up the ramp and follow the catwalk along. Kill the two cherubs at the med station and use it if necessary. Go through the door there and there will be a cherub on either side behind each pillar waiting for you. Kill them and enter the elevator. As you get off the elevator, you will enter a gas filled room. You need to walk along the walkway and shut off the three vent controls along there. Do so and the gas will get sucked out. Continue to the end and kill the Revanent there and grab the PDA of the ground. Go though the large door and you will be at the monorail access chamber with the monorail door unlocked now. Open the locker with code 483 and then open the bay door and exit.

Monorail:

What’s that sound? Monorail! Walk forward and to the right to grab a PDA from in front of the open cabinet. Walk onto the monorail once you have it and activate the controls. Once the train starts moving, the rear door will open and a scientist named T. Ryan will start to talk to you about what he has seen happening. Once the train reaches Site 2, it will stop due to an air lock malfunction. Exit the train when it stops and kill the trite on the walkway. Head through the door and kill the commando that is waiting there to say hi. Enter the area and make a right turn to find stairs there. Head down the stairs and make a left and go to the first right. Head down to the end and grab the ACO card on the ground.



When you have it, head back to the stairs and go up and through the locked door. Kill the enemies in here and make your way to the stairs at the far end on the right. Go through the door there and make a left to come to a room full of imps and trites. Clear it out and grab the PDA on the ground there that belonged to Gary Ross. Head back out and head along to the left along the curved catwalk. Head up the stairs and then across the bridge to the right. Enter the room at the end and use the PDA to get code 142 to use on the cabinet in the corner of the room. After you grab the rockets in it, operate the control panel on the monitor to open the airlock door with the code 826. When you enter it, you just need to make your way back to the monorail and enter the front car again. Kill the trites and commandos along the way and operate the controls in the train when you reach it.

Monorail Delta Station:

After the train starts moving, a short scene will play and the monorail will have a small accident. Climb up the ladder in front of you and kill the commando who jogs towards you. After you take him out, head into the door on the right and kill the trites as you make your way around to the next door. Go through and follow the concourse to the next large door that is labeled “the Delta Labs”. Kill the commando’s that spawn into the area and then head through the door. Kill the zombies there. Go through the next two doors around the corner and you will run into two z-secs, one up top and one to the right. Take them both out and head to the right and go up the stairs. Enter the Monorail security office at the top of the stairs and grab the PDA from the desk.



Exit the office and go through the next door marked “delta labs” and Betruger will have a small speech for you. Kill the imps as you make your way through the curved hallways until you reach the Delta security Checkpoint. When you enter a commando will run at you. Kill him and then run straight across the room for the office on the far side. There is a turret gun to the right that will fire at anything that moves and that includes you. Enter the office and you will be safe from it, but you will be able to watch the imps and zombie get destroyed. There is a room in the rear of the office that will have two cabinets in it. Both cabinets use the code 364 as found on Karl Cullen’s PDA. After all the imps are dead, deactivate the turret guns through the monitor console and hop through the opening. Head to the bay door and press the button to enter Delta Labs.