Human shield

Contracts mode NPC waypoint editor

Hideout

Newspaper report from Blood Money

Light switches that work

Blood stains getting noticed (+ some gadget to clean it)

SWAT (or similar) that enters the map if you kill too many

Buying weapons + customization more like in Blood Money

Sniper rifle assembly animation (briefcase)

Online Coop mode with 47 and Lucas Grey

1st person mode