There are a total of 51 unlockable trophies in Alien Isolation on the PS3 and PS4, with 45 of them being standard trophies, and six of them being secret trophies.
A Hunt Begins (Bronze) – Complete the third mission
A Perfect Organism (Bronze) – Encounter the Alien in Sevastopol for the first time
A Record of Disaster (Bronze) – Collect an archive log
A Synthetic Solution (Bronze) – Complete the twelfth mission
A True Engineer (Bronze) – Construct one of each craftable item
Alien: Isolation (Platinum) – Unlocked every Alien: Isolation trophy
An Outpost of Progress (Bronze) – Complete the seventh mission
Archivist (Bronze) – Collect 10 Nostromo logs in the main campaign
Awake (Bronze) – Complete the first mission
Bait (Bronze) – Complete the tenth mission
Build to Survive (Bronze) – Construct an item
Caught in the Trap (Bronze) – Complete the sixth mission
Consultation (Bronze) – Complete the thirteenth mission
End of the Hunt (Bronze) – Complete the eighteenth mission
Every Bullet Counts (Bronze) – Use the revolver
Fault Detected (Bronze) – Kill an Android
Free the Torrens (Bronze) – Complete the seventeenth mission
Hazard Containment (Bronze) – Complete the eleventh mission
Hide. Run. Survive. (Silver) – Complete the fifth mission without being killed by the Alien
How Do You Feel? (Bronze) – Complete the fifth mission
I Admire its Purity (Bronze) – Detect 30 targets with the motion tracker
Just out of Reach (Bronze) – Contact your team and escape Comms without being attacked by an android
Light ’em Up (Bronze) – Use the flamethrower
Mercy or Prudence? (Gold) – Complete the game without killing any humans
My Turn Now (Silver) – Kill an android using only the maintenance jack
Not a Scratch (Bronze) – Escape from android combat without taking damage
One Shot (Gold) – Complete the game without dying
Power Games (Bronze) – Access 10 different rewire points
Ripley, Signing Off (Silver) – Complete the game on any difficulty setting
Seegson Security Bypass (Bronze) – Perform 10 successful hacks
Seegson Systems Expert (Bronze) – Complete 10 minigames successfully
Self Defense (Bronze) – Kill 10 humans
She’s in the Vents… (Bronze) – Use the vent system 20 times
Shock to the System (Bronze) – Use the stun baton
Survivor (Gold) – Complete the game on the hardest difficulty setting
The Message (Bronze) – Complete the fifteenth mission
The Missing (Bronze) – Collect an ID tag
The Taken (Silver) – Collect all ID tags
This Should Work (Bronze) – Use the bolt gun
Throwing the Switch (Bronze) – Complete the fourteenth mission
Transmission (Bronze) – Complete the sixteenth mission
Use With Caution… (Bronze) – Use the shotgun
Voices of Sevastopol (Silver) – Collect 100 archive logs
Welcome to Sevastopol (Bronze) – Complete the second mission
You Shouldn’t Be There (Bronze) – Complete the fourth mission
100 Times Too Many (Bronze) – Killed by the Alien 100 times
Back Off (Bronze) – Caused the Alien to retreat by using the flamethrower
Mind Your Step (Bronze) – Navigated Reactor Maintenance without dying
Not the First (Bronze) – Turned off the beacon
Retreat From Fire (Bronze) – Caused the Alien to retreat using a molotov
Stunned (Bronze) – Knocked down a human or stunned an android with a non-lethal attack