Seasoned Squaddie (Bronze)
Objective: Complete any multiplayer level.
Bigger is Better (Bronze)
Objective: Purchase any weapon upgrade.
Version 2.0 (Bronze)
Objective: Purchase an item upgrade.
At Your Mercy (Bronze)
Objective: Kill a stunned alien with a Frag Grenade.
The Initiated (Bronze)
Objective: Complete the prologue on any difficulty level.
Bigger Isn't Always Better? (Bronze)
Objective: Kill a sentry gun with the Blaster.
Networking (Bronze)
Objective: Complete any co-op assault map over PlayStation Network.
Exploding Fist (Bronze)
Objective: Kill 3 burster aliens with one melee attack.
Into the Kill Zone (Bronze)
Objective: Kill 20 aliens with one sentry gun.
Recon Unit (Bronze)
Objective: Complete any single player level with the waypoints turned off.
K.I.A. (Bronze)
Objective: Locate the bodies of Vance and Barnes.
Battle-hardened (Silver)
Objective: Complete all single player levels 1-5.
Immobilised (Silver)
Objective: Use a stun grenade to stun 5 aliens at the same time.
Frag-master (Silver)
Objective: Use a Frag Grenade to kill 5 aliens at the same time.
The Informed (Silver)
Objective: Collect all logs through out the game.
Survivor (Silver)
Objective: Stay alive for 8 minutes or better on any of the Survivor mode single player levels.
Meat Grinder (Silver)
Objective: Kill 250 aliens on any of the Survivor mode multi player levels.
Hidden Treasure (Silver)
Objective: Find all 'secret' collectibles.
Tank (Silver)
Objective: Take 500 damage without dying on 'Determination' single player mission.
Survivors (Silver)
Objective: Achieve a time of 8 minutes or better on any multiplayer survivor map.
Light 'em up! (Silver)
Objective: Kill 5 aliens with one shot of Project X.
Elite Unit (Gold)
Objective: Complete all single player levels 1-5 on elite difficulty.
More Speed, Less Haste (Gold)
Objective: Complete 'Vengeance' single player level on Veteran mode in 17 minutes or less.
Can't Get Enough (Gold)
Objective: Complete the prologue, all single player, co-op assault and survivor maps.
Hardcore (Gold)
Objective: Complete any single player level using only the Blaster and Grenades.
The Completionist (Platinum)
Objective: Each and every trophy has been awarded. Congratulations!
Secret Trophies
Hard Up? (Bronze)
Objective: Sell any item.
Sunny Side Up? (Bronze)
Objective: Kill an alien egg using the melee attack.
Shattered (Bronze)
Objective: Smash 10 windows.
Grave Robber (Bronze)
Objective: Collect 50 items or weapons from human corpses.
Lost? (Bronze)
Objective: Access the map screen.
Exterminator (Silver)
Objective: Kill 1000 aliens in single player.
Idle Sentries (Silver)
Objective: Finish any level with five Sentry guns in your inventory.
Systems Crash (Silver)
Objective: Kill Mia.
Regicide (Silver)
Objective: Destroy the alien queen.
