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