Character Concepts pt. 1
Found on "Dojo Training" Stage, to unlock, complete all training programs (beat Morpheus both in combat and racing)
Character Concepts pt. 2
Found on "Taking the Floor" Stage, to unlock, defeat 3 extra waves of Smith's after the Key Maker has unlocked the exit.
Level Concepts
Found on "He's Heading for the Street" Stage, to unlock, reach Trinity at the 1st Floor Exit
Level Studies
Found on "Captain's Rescue: Morpheus & Trinity" Stage, to unlock, The corner on the ledge with the health, wallrun up to a 2nd ledge w/ a breifcase.
Renderings pt. 1
Found on "Downside Up" Stage, to unlock, make sure all columns explode with enemies coming out before they're all defeated, a breifcase will appear.
Renderings pt. 2
Found on "Ministry of Smith's" Stage, to unlock, smash a certain statue on the 2nd Floor of the stage to find a breifcase.