Finish 'Psycho Cellblock'

Dual wield Revolvers

Hit three targets with one shot from the Revolver

Reach multiplier x8

Finish 'Nightmare Descent'

Hit three or more targets with a blast from the shotgun

Uncover the secret in the old house.

Fight off Marguerite while she wanders the old house to make her run away.

Increase your item slots.

Complete half of the London Heist challenges

Kill 50 enemies with the Assault Rifle.

Finish off an enemy with the knife.

Put an unrelated object on a shadow plinth.