Extraction: Expert and Impossible difficulty:
Complete Chapter 10 “Secrets And Salvation” to unlock the Expert and Impossible difficulty settings.
Switching weapons:
Normally you cannot change weapons except by picking up new ones. To access the weapon select screen, exit game play to the main menu, then resume the level. Note: You will only have the default amount of ammunition for the selected weapon and will lose your previous stock. You can only choose one weapon, and will lose the other two special weapons.
Hidden message:
The first letter of each chapter spells out the sentence “Warren Lies”.
Trophies:
Bronze trophies
Overtime Sheet – Beat the top score on the ‘Extraction Site’ Challenge.
No Cop Duty – Beat the top score on the ‘Central Plaza’ Challenge.
Engineer By Trade – Beat the top score on the ‘Maintenance Bay’ Challenge.
Laugh It Up Partner – Beat the top score on the ‘Mess Hall’ Challenge.
Colony Full Of Crazy People – Beat the top score on the ‘Medical Bay’ Challenge.
Need A Towel – Beat the top score on the ‘Water Tunnels’ Challenge.
Herbal Remedies – Beat the top score on the ‘East Grow Chamber’ Challenge.
Ready For Takeoff – Beat the top score on the ‘Shuttle Bay 47’ Challenge.
Bridge Commander – Beat the top score on the ‘Atrium’ Challenge.
Got A Medic – Beat the top score on the ‘Life Support Room’ Challenge.
You Need Glasses Partner? – Survive the shuttle flight with less than 10% of shields intact.
Skill – Reload – Complete any level with at least 80% Perfect Reloads.
Skill – Accuracy – Complete any level with at least 80% Weapon Accuracy.
Skill – Stasis – Complete any level with at least 80% Stasis Accuracy.
A Star is Born – Complete any level with a 5 star rating.
Rising Star – Earn 10 stars on one profile.
Collector’s Delight – Collect all weapons, text logs and audio logs on Chapter 1: ‘Worlds Apart’.
No Stone Unturned – Collect all weapons, text logs and audio logs on Chapter 3: ‘Return to the Megavents’.
Scavenger – Collect all weapons, text logs and audio logs on Chapter 5: ‘Emergency Care’.
Treasure Hunter – Collect all weapons, text logs and audio logs on Chapter 8: ‘In the Hearts of Men’.
Make Us Whole – Collect all weapons, text logs and audio logs on Chapter 9: ‘Escaping the Ishimura’.
It Needs Our Help – Complete Chapter 1: ‘Worlds Apart’.
That’s Quite A Mouthful – Complete Chapter 2: ‘Another Day at the Office’.
Too Much Firepower? – Open the secret weapons store in P-Sec.
Silver trophies
Survivor – Complete the game on ‘Normal’.
P-Sec Officer – Complete the game on ‘Hard’.
Necro Slayer – Complete the game on ‘Expert’.
Super Star – Earn 30 stars on one profile.
Gun Dealer – Collect every weapon on one profile.
Gold trophies
Isaac 2.0 – Complete the game on ‘Impossible’.
Mega Star – Earn 50 stars on one profile.
Weapon Nut – Max out all upgrades for every weapon on one profile.
Platinum trophy
Man Up Sweetheart – Earn all Bronze, Silver, and Gold trophies.