Psycho
Complete the game in Rorschach mode.
36 ✓ January 4th, 2010
Shield
Dodge or block 25 incoming attacks.
8 ✓ January 4th, 2010
Strong Arm
Knock 100 people over, by throwing other people into them.
8 ✓ January 16th, 2010
Retaliator
Perform 200 counter attacks.
8 ✓ January 4th, 2010
Exterminator
Perform 250 finishing moves.
8 ✓ January 4th, 2010
Vigilante
Eliminate 20 bad guys in 101 seconds.
8 ✓ January 15th, 2010
Hero
Complete the game in Nite Owl mode.
36 
Teamwork
Complete the game in co-op mode.
36 
Thief
Find all abilities and pickups in Rorschach mode.
15 
Detective
Find all abilities and pickups in Nite Owl mode.
15 
Untouchable
Go unharmed for an entire level, without restarting from a checkpoint.
11 
Turbo
Complete the game in less than 80 minutes in one session, without restarting from a checkpoint.
11