Guide for Alien: Isolation - Mission 12
Collectibles:
Walkthrough:
Note: You can run as much as you want in this mission, but have to be mindful of aggressive Synthetics.
You start the mission in the Transit car, and are given the objective Find Samuels in Seegson Synthetics. Leave the car and climb the stairs to your left; soon the objective will update to Take the Elevator to Seegson Synthetics. Go through a door on your right before climbing another small set of stairs. Go through the door ahead and into the elevator; interact with the button to be taken to Seegson Synthetics. Once you arrive a short conversation will trigger, and your objective will update to Climb the Elevator Shaft to the Upper Labs.
Activate the computer terminal on the desk in front of you and read the first message in the 'Personal' folder - this will give you the key code to a nearby door (8382). Said door is to your right - use the Plasma Torch on it first, and enter the code once the panel is accessible. In the next room, enter the vent on your right hand side and climb through it until the end. Walk across the ladder in front of you, then turn left and climb another ladder. Once at the top, turn left again to walk across another ladder and trigger a short cinematic. The door in front of you is inaccessible, so jump through the hole in the roof and enter the vent close by. Follow it to the end into a corridor with several Synthetics on the floor; make sure to avoid them carefully, as some of them will grab you once you get too close.
Turn left at the end of the corridor and save your game at the save station. The area ahead is full of Synthetics, but they are disabled - for now. Go through the doorway and head right, then through another doorway to your left. Approach the door ahead to receive a new objective, Find a Way Through the Electrified Door. Turn to your right and turn off the rightmost of two electrical junctions; the one directly next to the door can't be accessed. Leave the room the same way you entered and enter another room just ahead of the doorway; a second electrical junction for you to deactivate is to your left. Leave the room and enter the next room directly to your right.
Deactivating the last electrical junction just in front of you will activate a Synthetic. If you have a spare EMP or Pipe Bomb, place it directly next to a pile of Synthetics close to the doorway before deactivating the junction. Regardless of using a device or not, immediately enter the locker to your left after interacting with the junction. The before-mentioned Synthetic will rise from the pile and start searching for you, hopefully to be blasted to pieces by the device you planted. Make your way back to the previously locked door and interact with the remaining electrical junction to open the door.
Follow the corridor until a door shuts in front of you; enter the vent to your right. Make your way through to enter a small room. Your objective will become Find Samuels. Use the button on the only door in the room to enter another, larger room with several deactivated Synthetics standing on some kind of pedestals. Pretty soon those will become active and start hunting you. Note: Do not place any bombs in this room to kill the Synthetics (similar to what you might have done with the deactivated Synthetic a bit earlier) as this might prevent the story from progressing.
The large room will have a desk with a corpse, and a pillar a bit to the left of this desk. The backside of this pillar holds a button; press it to open the large door at the other end of the room and, sadly, activate the Synthetics. Just after pressing the button make a run for the door, which will close once you pass. The Synthetics will soon break through, so proceed quickly from here on. In the next room turn right and go through a small doorway, then up some steps, into another room with a save station. Save your game, then proceed to collect everything valuable in the rooms, especially Shotgun and Revolver ammo, Pipe Bombs, Medkits, Molotovs, and EMP Mines. Next to a dead body by the stairs lies a blueprint (Molotov V.2), pick that up as well.
Once you are stocked up, return to the door that the Synthetics are still trying to break, and strategically place some pipe bombs in the area, such as in the doorways. Proceed through one of the doorways and turn around, entering the small door that leads to a room in between the doorways. Access the rewire point at the wall and activate 'Gas Divert'. This will create a small gas explosion and have the Synthetics finally break through the door, so get ready for a fight. Equip your Shotgun or some EMP Mines and kill all of the Synthetics, which ideally have already been decimated by making friends with the Pipe Bombs on the floor. Once all of them are dead, search the corpses until you find the one that is carrying a keycard - pick it up.
The keycard allows you to open a door to the right of the one where the Synthetics emerged; feel free to stack up on any items that you weren't able to collect previously and save you game before continuing through the door. Go up the stairs, then turn left twice to enter a room with another electrical junction. Turn it off to have your objective update to Follow Samuels. Leave the room again and enter the elevator close by. Press the button to be taken to Android Orientation. Your objective will become Find Samuels in Seegson Synthetics.
Once you arrive, go through the door in front of you into a very large hallway. Keep to the right, and climb the ledge once you are given the option. Continue forward on the ledge, pausing every once in a while to avoid steam coming out of vents in the wall. Once you reach the last traverse, choose to jump down once giving the option, then walk to the other side and climb up again. Continue on that ledge until you are prompted to jump; do so to reach the ladder at the end of the hallway. Climb it to the top, the go through the doorway, up several steps, until you reach a corridor. Continue straight until you reach a save station. Save the game, than pull the lever on the door to your right to open it.
You will reach the first of three rooms with a similar layout; each one will have a security camera and Synthetics, which 'sleep' on the diagnostic beds in each room. If you play it slow and avoid noise, none of them will actually wake up. In the first room, keep to your left and enter the adjacent room while avoiding the security camera. Enter the floor vent hatch on the left, then follow it all the way to the end. Climb out and access the rewire point next to the diagnostic beds to deactivate the camera feed in that room. Use your Security Access Tuner on the door to open it and proceed. Continue straight until you see Samuels behind a window.
Go through the door on your left and follow the corridor in a clockwise direction until you reach a save station. Save your game, then continue through the door to reach the Upgrade Suite. While a conversation starts, make note of the different electrical junctions in the room, and memorize the colors of the cables leading to every one of them: A red cable leads to the junction right next to the door that you entered. A blue cable leads to a junction just opposite the door you entered. A green cable leads to a junction on the wall, opposite of the window through which you can see Samuels lying in the machine. The other to junctions have grey cables leading to them. Memorize this, because at some point you will not be able to differentiate the colors. Note: The next part requires you to interact with a specific electrical junction as you are told in the conversation. If you interact with a different junction, you will die. If you take too much time between interacting with different junctions, you will die as well, so be quick.
Soon after Samuels has entered the machine, your objective will become Halt Grid Purge. As soon as being told by Samuels, interact with the electrical junction that has the red cable attached to deactivate it. Do the same with the one with the blue cable, followed by the one with the green cable directly afterwards. Next, deactivate the junction that has a dead Synthetic lying next to it. The last electrical junction to deactivate is the one directly in front of the window through which you can see the machine. At the end of the next conversation, you will be given the objective Take Private Transit to Apollo Core.
Make your way back to the large hallway, avoiding the sleeping Synthetics and security cameras like before. Once you reach the corridor, you will see that the cable car in front of you is working, and you don't need to climb any ledges again. Travel to the other side of the hallway, through the door and into the elevator. Press to button to be taken back to Apollo Secure Transit. Once you arrive, leave the elevator and turn left. Press the button next to Towerlink 01 to call the transit. Wait for it to arrive, then enter it and press the button to be taken to Apollo Core, thus ending the mission.
After the mission, you will earn:
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