"In the worst case, they could face a fine." Image credit: Eurogamer Sony's recent dynamic pricing experiment on the PlayStation Store , which offers different game prices to different people, might violate European law, a new report has found. Danish publication Arkaden heard from several experts in the field about how Sony's lack of transparency regarding its pricing experiments seemed to fall outside of what's currently legally allowed in Europe. Specifically, the move seems to contravene EU Directive 2011/83/EU . This states that if a company is using personalised pricing then it must communicate this fact to an end user "in a clear and comprehensible manner". There's a caveat here. Strictly speaking, Sony might not be engaging in personalised pricing because it's "segmenting" prices in other, undisclosed ways, the report said. One of these seems to be adjusting prices for logged-in PlayStation users versus logged-out users, but the other ways prices are being adjusted are harder to categorise.…