The upcoming Risen 2: Dark Waters has been asked by the ESRB to change its front cover, because there was simply too much of the ol' claret splashed across the box art.
The body places limits on the amount of violence that can be shown on marketing materials, and as a result the marketing team has had to swap out the blood with some bluey greeny...stuff.
ESRB Takes The Red Out Of Risen 2's Cover [Game Informer]