Rorschach vs. Nite Owl versus mode:
To unlock Rorschach vs. Nite Owl versus mode, complete Watchmen: The End is Nigh - Part 2.
Rorschach: Ultra combo (Part 1):
Have Rorschach's area attack, fast area attack, and knockdown ability. Then, press [Heavy], [Light] two times, [Heavy] three times to execute a devastating combo.
"Part 1" trophies:
Untouchable - Go unharmed for an entire level, without restarting from a checkpoint.
Turbo - Complete the game in less than 80 minutes, in one session without restarting from a checkpoint.
Vigilante - Eliminate 20 bad guys in 101 seconds.
Strong Arm - Knock 100 people over, by throwing other people into them.
Retaliator - Perform 200 counter attacks.
Exterminator - Perform 250 finishing moves.
Shield - Dodge or block 25 incoming attacks.
Psycho - Complete the game in Rorschach mode.
Hero - Complete the game in Nite Owl mode.
Thief - Find all abilities and pick-ups in Rorschach mode.
Detective - Find all abilities and pick-ups in Nite Owl mode.
Teamwork - Complete the game in co-op mode.
"Part 2" trophies:
You Tag 'em - I Bag 'em - Eliminate 10 enemies that your partner has knocked down or thrown in your direction.
Focus Fire - Take down 10 enemies in a row finishing off each of them before doing damage to anybody else.
Unending Combo - String a single uninterrupted combo that's at least 10 hits long.
Gentleman - Complete Chapter III without hitting the ladies before they hit you.
Ping Pong - Hit at least 4 different enemies while building up a combo.
Primal Scream - Sustain a single rage mode for 60 seconds.
Electric Explosion - Hit 14 enemies with a single electrify armor blast.
Street Justice - Complete the game in Rorschach mode.
Morally Superior - Complete the game in Nite Owl mode.
Martial Artist - Perform all 8 Nite Owl combos within 60 seconds.
Feral Fighter - Perform all 8 Rorschach combos within 60 seconds.
Friends Forever? - Complete the game in Co-op mode.