Here is the full list of all 47 F.E.A.R.: First Encounter Assault Recon achievements worth 1,000 gamerscore.
Completed Interval 2 in the Campaign.
Used 50 Medkits.
Killed yourself 5 times.
Completed the Campaign on Extreme difficulty.
Won the Campaign!
Completed Interval 3 in the Campaign.
Completed Interval 7 in the Campaign.
Completed Interval 8 in the Campaign.
Completed Interval 10 in the Campaign.
Killed 3 or more enemies with a single N6A3, AT-S or M77.
Killed 10 enemies with barrels, fire extinguishers or fuse boxes.
Used 50 armor vests.
You killed 5 rats and crows.
Killed 50 enemies with the RPL in ranked Multiplayer games.
Killed 50 enemies with the M77 in ranked Multiplayer games.
Killed 50 enemies with the MP-50 in ranked Multiplayer games.
Killed 50 enemies with the Type-7 in ranked Multiplayer games.
Won 5 ranked CTF, SlowMo CTF, TDM, SlowMo TDM and Team Elimination games.
Killed 150 enemies with Headshots in ranked games.
Killed 50 enemies with the G2A2 in ranked Multiplayer games.
Killed 50 enemies with the 10mm HV Penetrator in ranked Multiplayer games.
Captured 50 flags in ranked CTF or SlowMo CTF games.
Killed 50 enemies with the VK-12 in ranked Multiplayer games.
Killed 50 enemies with the ASP in ranked Multiplayer games.
Killed every enemy in the Campaign.
Won the Campaign using less than 500 rounds of ammo.
Completed the Campaign without using SlowMo.
Completed the Campaign without using any boosters.
Completed the Campaign without dying.
Found every Health Booster and Reflex Booster in the Campaign.
Found every phone message and lap top file in the Campaign.
Killed 5 enemies with one SlowMo use.
Won a ranked Deathmatch, SlowMo Deathmatch, or Elimination game.
Participate in 1000 ranked Multiplayer games of any type.
Win every Instant Action map on Extreme difficulty.
Kill 200 enemies with the N6A3, AT-S or M77 in any ranked Multiplayer games.
Complete every Instant Action map on any difficulty except Low.
Participate in 100 rank Multiplayer games of any type.
Kill 50 enemies with the SM15 in any ranked Multiplayer games.
Kill 50 enemies with the N6A3 in any ranked Multiplayer games.
Kill 50 enemies with the MOD-3 in any ranked Multiplayer games.
Kill 50 enemies with the AT-14 in any ranked Multiplayer games.
Kill 50 enemies with the AT-S in any ranked Multiplayer games.
Kill 50 enemies with Punches or Rifle Butts in any ranked Multiplayer games.
Kill 50 enemies with Round House Kicks, Flying Kicks, or Slide Tackles in any ranked MP games.
Kill 50 enemies with the turret in any ranked Multiplayer games.
Finish a ranked Multiplayer game of any type with a negative score.