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