Here is the full list of unlockable achievements for F3AR (aka FEAR 3) on the Xbox 360, with the secret achievements listed at the bottom in their own section.
A Precursor (5) – In the Poker Room of Prison, kill all 3 enemies with headshots before slo-mo ends
Almost Halfway (10) – Attain Rank 10
Art Collector (15) – Pin 100 total enemies with the Penetrator or Leaper knives
Big Brother’s Helper (15) – As Fettel, suspend 100 enemies that Point Man kills
Completionist (50) – Complete every challenge at least once
Dead Blind (10) – Spend an entire round of Contractions in deep fog without going into Last Stand
Doll Collector (20) – Find the Alma Doll on every mission
Earl of Pain (10) – Kill 1000 enemies by any method in any game mode
Extremist (20) – Complete any campaign level on Insane without reloading checkpoints or going into Last Stand
Footy Foul (10) – Kill 2 enemies with 1 Slide Kick during slow motion
God Among Men (25) – Kill 250 total enemies during slow motion
Handle with Care (20) – Return 30 crates in one game of Contractions
Hanging 20 (20) – Complete wave 20 in Contractions
Head Crab Removal (10) – 20 kills with a crowbar
I F.E.A.R. Nothing! (15) – Finish a wave of Contractions on Insane without anyone going into Last Stand
I’m not a Doctor, I’m a Medic! (10) – Perform 50 revives in any game mode
Indecisive (10) – Possess 20 different enemies in one round of Soul King
Insider Trading (15) – Possess every type of possessable enemy
Little Brother’s Helper (15) – As Point Man, kill 100 enemies suspended by Fettel
Man Mode (100) – Finish the campaign on Insane difficulty
Mission… accomplished? (50) – Finish the Campaign on any difficulty (all intervals complete)
Monarch (20) – Win 20 rounds in Soul King
No can defense! (20) – Kill 100 enemies with Jump Kick or Slide Kick
Score Monger (30) – Complete 30 challenges in one interval
Soul Gatherer (15) – Attain a total of 6,000 Souls in one round of Soul King
Soul Hoarder (20) – Attain a total of 25,000 Souls across all rounds of a Soul King match
Spiritually Attuned (20) – Make 100 Psychic Links (Share or Steal)
State-of-the-art. Bang, bang! (20) – Kill 10 enemies in a row with Sniper Rifle headshots
Supreme Challenger (25) – Complete 500 total challenges between all categories
That’s a lot of Zeros (50) – Attain a total of 250,000 points through challenges
Unstoppable! (15) – Win all 5 rounds of a 5-round Soul King match
We’ll Try Again Tomorrow! (15) – Survive 3 waves in Contractions in a row without anyone bringing back a crate
You’ve got the Touch! (25) – Attain Rank 21
Here are the seventeen secret achievements you can unlock:
Cannibal Run (15) – Attain a total of 95,000 score on Interval 03
Crossing Over (15) – Attain a total of 70,000 score on Interval 06
Dream Score (10) – Attain a total of 50,000 score on Interval 08
Get To The Chopper (10) – Complete Interval 02
Homecoming King (25) – Complete Interval 08
House Arrest (15) – Attain a total of 105,000 score on Interval 04
Magna Slum Laude (15) – Attain a total of 85,000 score on Interval 02
Pain, In Bulk (15) – Complete Interval 03
Point Authority (15) – Attain a total of 110,000 score on Interval 07
Point Taken (15) – Attain a total of 110,000 score on Interval 05
Prison Impossible (10) – Complete Interval 01
Terminal Victory (25) – Complete Interval 07
Through the Haystack (20) – Complete Interval 05
Town Hall Beating (15) – Complete Interval 04
Trouble Cross (20) – Complete Interval 06
Up The River (15) – Attain a total of 95,000 score on Interval 01
Yo, Adrian! (15) – Find something worth punching!
