Get a 12 kill long kill streak. Get a quadruple kill. Get the first and last kill in a match.
Kill 10 people.
Kill 1000 people.
Kill 10000 people.
Prove that you can use your weapon under difficult circumstances.
Complete all side missions in Butcher Bay.
Get a 4 kill long kill streak. Get a double kill. Get the first kill in a match.
Get a 8 kill long kill streak. Get a triple kill. Get the last kill in a match.
They'll never see it coming.
Capture a flag. Capture a powercell. Win a round alone against at least 3 enemies.
Keep on going no matter what.
Never give up.
Win 100 matches.
Don't stop firing until you are sure you are out of ammo.
Close and personal.
Ruin someones day.
Win 1000 matches.
Get all Trophies.
Win 10 matches.
Complete the Assault on Dark Athena campaign on normal difficulty.
Complete the Assault on Dark Athena campaign on hard difficulty.
Get through the Cargo Bay without being noticed.
Complete the Escape from Butcher Bay campaign on hard difficulty.
Collect all bounty cards.
Complete the Main Decks using only two drones.
Find and open Margo's Locker.
Collect all cigarette packages.
Help Miles and transmit his message.
Complete the Escape from Butcher Bay campaign on normal difficulty.