Open your inventory.

Destroy 1 Watcher. (1/50)

Complete the game without dying

Excited isn't the word...

Repair all broken entrances before unlocking the gate

Obtain a reputation level of 20 in career mode.

Kill all other players in an 8-player Deathmatch.

Earn this by collecting all the other trophies.

Throw an enemy over a ledge. (Single Player)

Kill 50 enemies with head shots. (Single Player)

Kill 10 enemies with every firearm Syd can equip. (Melee kills don't count.)

Perform a kill move on a friend. (Multiplayer)

Kill all enemies in Trachea without dying.