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