Here is the full list of all 47 F.E.A.R.: First Encounter Assault Recon achievements worth 1,000 gamerscore.
Won the Campaign using less than 500 rounds of ammo.
Finished a Multiplayer game with a negative score.
Killed 50 enemies with the MOD-3 in ranked Multiplayer games.
Killed 50 enemies with the ASP in ranked Multiplayer games.
Killed 50 enemies with the SM15 in ranked Multiplayer games.
Killed 50 enemies with the MP-50 in ranked Multiplayer games.
Completed the Campaign on Extreme difficulty.
Killed 50 enemies with the AT-14 in ranked Multiplayer games.
Killed yourself 5 times.
Killed 50 enemies with the VK-12 in ranked Multiplayer games.
Completed Instant Action.
Killed 50 enemies with the N6A3 in ranked Multiplayer games.
Killed 50 enemies with the RPL in ranked Multiplayer games.
Killed 50 enemies with the G2A2 in ranked Multiplayer games.
Won a ranked Deathmatch, SlowMo Deathmatch, or Elimination game.
Killed 50 enemies with the 10mm HV Penetrator in ranked Multiplayer games.
Completed the Campaign without using SlowMo.
Completed the Campaign without using any boosters.
Killed every enemy in the Campaign.
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 the Campaign!
Completed Interval 10 in the Campaign.
Used 50 Medkits.
Completed Interval 8 in the Campaign.
Killed 10 enemies with barrels, fire extinguishers or fuse boxes.
Completed Interval 7 in the Campaign.
Used 50 armor vests.
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.
Successfully capture 50 flags in ranked CTF or SlowMo CTF games.
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.
Kill 150 enemies with Headshots in any ranked Multiplayer games.
Win 5 each of ranked CTF, SlowMo CTF, TDM, SlowMo TDM, and Team Elimination games in Multiplayer.
Participate in 100 rank Multiplayer games of any type.
Kill 50 enemies with the Type-7 in any ranked Multiplayer games.
Kill 50 enemies with the AT-S in any ranked Multiplayer games.
Kill 50 enemies with the M77 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.