Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Big Spender (Gold)	Purchase the Damage upgrade for the Ion Spike.
Born to Kill (Bronze)	Kill 25 aliens in single player.
Just Browsing? (Bronze)	In single player Story mode, spend 30 minutes or more in the Intex Terminal menus.
Killing Spree (Bronze)	Within 30 seconds kill 20 aliens in single player.
Tank (Bronze)	In single player Story mode, take 500 damage without dying.
Vandal (Bronze)	Break the glass in a window (or witness another player doing this).
Xenocide (Silver)	In single player Story mode, kill one of each type of alien.