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