Each and every trophy has been awarded. Congratulations!
Locate the bodies of Vance and Barnes.
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Kill 5 aliens with one shot of Project X (in single player).
Complete any single player level with the waypoints turned off.
Kill 20 aliens with one sentry gun.
Kill 3 burster aliens with one melee attack (in single player).
Complete any single player level using only the Blaster and Grenades.
Complete any co-op assault map over PlayStation Network.
Complete the prologue, all single player, co-op assault and survivor maps on any difficulty.
Achieve a time of 8 minutes or better on any multiplayer survivor map.
Kill a sentry gun with the Blaster.
Complete the prologue in single player on any difficulty level.
Kill a stunned alien with a Frag Grenade (in single player).
Purchase any item upgrade (in single player).
Purchase any weapon upgrade (in single player).
Complete 'Vengeance' single player level on Veteran mode in 17 minutes or less.
Take 500 damage without dying on 'Determination' single player mission.
Find all 'secret' collectibles.
Kill 250 aliens on any of the Survivor mode multi player levels.
Stay alive for 8 minutes or better on any of the Survivor mode single player levels.
Collect all logs through out the game.
Use a Frag Grenade to kill 5 aliens at the same time (in single player).
Use a Stun Grenade to stun 5 aliens at the same time (in single player).
Complete any multiplayer level.
Complete all single player levels 1-5.
Complete all single player levels 1-5 on elite difficulty.
