Each and every trophy has been awarded. Congratulations!
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Stun 10 aliens with one stun grenade (or witness another player doing this).
Stun 5 aliens with one stun grenade (or witness another player doing this).
Kill 10 aliens with one shot (or witness another player doing this).
Kill 5 aliens with one shot (or witness another player doing this).
In single player Story mode, sell 10000 credits worth of items or ammunition.
In single player Story mode, save the game using the Intex Terminal.
Purchase an upgrade (or witness another player doing this).
In single player Story mode, destroy 50 alien eggs using melee.
Achieve a balance of 30000 credits or more.
Without the player taking damage kill 50 aliens in single player.
Find all 'secret' collectibles.
Fire every weapon and use every item in single player.
Collect all logs through out the game.
Finish a multiplayer level with no player losing a life.
Finish 'Interface' single player level without using health packs.
Complete all single player levels 1-5 on elite difficulty.
Finish any single player level without using an item.
Complete "Hydroponics" in Co-op Assault.
Complete all single player levels 1-5.