Unlock all other Part I Trophies.

Read 100 messages in Part I.

Find 21 pieces of Intel.

Kill 5 Xenomorphs after Davis is downed in Mess Hall.

Make a basket with Davis' head.

Finish Part I.

Finish Part I on Insane Difficulty.

Kill 3 separate enemies with the Pulse Rifle, Riot Shotgun, and the Revolver within 5 seconds.

Kill a Xenomorph as it attempts to execute you.

Kill 2 Xenomorphs at once by detonating an exploding Barrel or Pipe.

Kill an enemy with your last bullet.

Reach Purdan.

Key your Biometrics to the PDT Keycard.

Lose a fight in the Mess Hall.

Recover the Riot Shotgun.

Kill 6 facehuggers while cocooned in the nest.

Recover your Pulse Rifle.

Transfer Davis into the Data Pad.

Attempt to destroy the MD-8.

Find a way across the skybridge.

Clear the infestation in the Medical Wing.

In Part I, damage an enemy with one gun and kill it with another.

Get 30 kills with the Pulse Rifle.

Get 30 kills with the Revolver.

Shoot Davis.

Use the Pulse Rifle to trigger a controlled explosion.

Get 30 kills with the Riot Shotgun.

Correctly rewire 29 junction boxes.

Attack a Xenomorph with the Plasma Torch.

Trap Xenomorphs in a Panic Room and kill them 5 times.