Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Do it once (Silver)	Finish the game once(any difficulty mode).
Elevator repair service (Bronze)	Repair the elevator for the people stuck in High Rise level.
Fifth quick kill (Bronze)	Perform 5 Machete quick kills while being bullied.
First Machete quick kill (Bronze)	Perform your first Quick machete kill while being bullied.
Five victims helped (Silver)	Help or rescue 5 victims.
Machete quick kill, the third (Bronze)	Perform 3 Machete quick kills while being bullied.
My first rescue (Bronze)	Help or rescue your first victim.
Some tomatoes for her (Bronze)	Provide tomatoes to the hungry lady in Downtown streets level.
Survivor (Silver)	Finish game in Survivor mode.
Ten victims helped (Silver)	Help or rescue 10 victims.
Three victims helped (Bronze)	Help or rescue 3 victims.
Ultimate rescuer (Gold)	Rescue / help all victims in the game.