Defeat 5 armored enemies with melee only

Play in the ocean near the sunken ship

Just prior to City Chase, stand perfectly still for 30 seconds (stage demo fail)

Climb to the very top of the Clocktower in the City

Play with the lemur in the market and let it steal your apple

Stealth take-down 30 enemies

Defeat 50 enemies with headshots

Find a Journal Note

Stealth take-down 5 enemies

Hit all targets in the attic with the toy gun

Platinum

Hit three enemies with fish in the market