Complete DNA Sequence 3.

Assassinate 50 guards with the hidden blade.

Complete DNA Sequence 1.

Kill a guard with the bag that drops from a lift.

Throw 10 enemies into the Kamino generators.

Complete the main path of Eve's Asylum For The Mentally Alternative

Complete the main path of Avalonia

Score a 5x multiplier in a Story level

Complete the main path of Victoria's Lab

Complete the main path of Da Vinci's Hideout

Change your costume

Collect all Dead Drops in the Historic District.

Ride the train for 2 kilometers.