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