Complete the following tasks to unlock PlayStation 3 trophy rewards.

Trophy	How to unlock
Electric Explosion (Bronze)	Hit 14 enemies with a single electrify armor blast.
Feral Fighter (Silver)	Perform all 8 Rorschach combos within 60 seconds.
Focus Fire (Bronze)	Take down 10 enemies in a row finishing off each of them before doing damage to anybody else.
Friends Forever? (Gold)	Complete the game in Co-op mode.
Gentleman (Bronze)	Complete Chapter III without hitting the ladies before they hit you.
Morally Superior (Silver)	Complete the game in Nite Owl mode.
Martial Artist (Silver)	Perform all 8 Nite Owl combos within 60 seconds.
Ping Pong (Bronze)	Hit at least 4 different enemies while building up a combo.
Primal Scream (Bronze)	Sustain a single rage mode for 60 seconds.
Street Justice (Silver)	Complete the game in Rorschach mode.
Unending Combo (Bronze)	String a single uninterrupted combo that's at least 10 hits long.
You Tag 'em - I Bag 'em (Bronze)	Eliminate 10 enemies that your partner has knocked down or thrown in your direction.