Alien: Isolation Mission 13: Consultation – Door Passcode, Gas Mask, Security Capabilities
Find the door code and a way to reduce Apollo's security capabilities.
Alien: Isolation
Alien: Isolation Mission 14: The Descent – Boltgun, Reactor, Destroy the Nest
Find the Boltgun and Flamethrower to help you overload the reactor and destroy the nest.
Alien: Isolation Mission 12: Synthetic Solution – Security Access Tuner, Grid Purge, EMP Mine
Fight your way through the hoards of Synthetics and help Samuels to halt the grid purge.
Alien: Isolation Mission 11: Hazard Containment – Plasma Torch, Shotgun, EMP V.2
Kill the Synthetics and find an alternate route to return to the Marshal Bureau.
Alien: Isolation Mission 10: The Trap – Get to the Airlock, Flamethrower, Noisemaker V.2
Get to the airlock and evade the Alien while you wait for it to pressurize.
Alien: Isolation Mission 9: Beacon – Distress Beacon, Winch, Alien Nest
Find a route around the blockage and return to the winch.
Alien: Isolation Mission 8: Haven – Gas Torch, Flashbang V.2, Revolver, Marlow
Reactivate the transit at the main console and get back to the transit station.
Alien: Isolation Mission 7: Seegson Synthetics – Smoke Bomb V.2, Compression Cylinder
Repair the elevator, activate the Requisition Android and access the Components Warehouse.
Alien: Isolation Mission 6: The Outbreak – Stun Baton, Passcode, Synthetic
Locate the passcode to access the keycard, then escape the Alien.
Alien: Isolation Mission 4: Seegson Communications – Motion Tracker, Access Rewire
Reactivate Samuel's Communication, plus find the Noise Maker, EMP and Motion Tracker.