Complete all single player levels 1-5.
In single player story mode, melee one of each type of alien.
Collect all logs through out the game.
Finish 'Primed' single player level with 300000 or more overall score.
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Without taking damage kill 50 aliens in single player.
Kill 1000 aliens in single player.
Purchase the Health Kit Upgrade.
Kill a stunned alien with a Frag Grenade.
Deal 200 damage to one alien.
Each and every trophy has been awarded. Congratulations!
Complete all single player levels 1-5 on elite difficulty.
Complete any multiplayer level.
Finish multiplayer 'Cargo' level without taking any damage.
Stay alive for 8 minutes on any of the Survivor mode single player levels.
Complete 'Cargo' multiplayer level in 10 minutes or less.
Find all 'secret' collectibles.
Buy every upgrade.
In a multiplayer game, reach the end of a level without dying or firing a shot.
In single player story mode, purchase 5 Hardened Armor items from the Intex Vendor.
In single player, use a sentry gun to kill 20 aliens.
Kill a sentry gun with one rocket.
Complete a single player level with Waypoint Display turned off.
Complete Story Mode on elite difficulty with a total time played of 4 hours or less.
