Here is the full list of all 27 Alien Breed: Impact trophies - there are 8 bronze, 12 silver, 6 gold and 1 platinum.
Each and every trophy has been awarded. Congratulations!
Finish a multiplayer level with no player losing a life.
Complete all single player levels 1-5 on elite difficulty.
Stun 10 aliens with one stun grenade (or witness another player doing this).
Finish ‘Interface’ single player level without using health packs.
Complete all single player levels 1-5.
Find all ‘secret’ collectibles.
Collect all logs through out the game.
In single player Story mode, destroy 50 alien eggs using melee.
Fire every weapon and use every item in single player.
Purchase the Damage upgrade for the Ion Spike.
In single player Story mode, kill one of each type of alien.
In single player Story mode, take 500 damage without dying.
In single player Story mode, sell 10000 credits worth of items or ammunition.
Purchase an upgrade (or witness another player doing this).
Achieve a balance of 30000 credits or more.
In single player Story mode, spend 30 minutes or more in the Intex Terminal menus.
Without the player taking damage kill 50 aliens in single player.
Within 30 seconds kill 20 aliens in single player.
Finish any single player level without using an item.
Kill 25 aliens in single player.
In single player Story mode, save the game using the Intex Terminal.
Kill 10 aliens with one shot (or witness another player doing this).
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).
Break the glass in a window (or witness another player doing this).