Complete each achievement to get the allotted gamerscore.
Achievement Description 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.
Contributed By: Guard Master.