Dissatisfied customers who couldn't log into the game were denied a full refund by Blizzard, which said that it was under no obligation to do so under the game's contract. The studio claims that it has a strict policy of "no refunds" in the country if a product is used.
The players turned to the FTC for help, and the commission responded by launching an investigation. The investigation will sort through the seized documents and evidence to see if there is a possible violation of Korea's electronic commerce and commercial contracts law.
The FTC confirmed that it had received "many complaints" from Diablo III players but did not comment further on the investigation. Blizzard has since vowed to increase server capacity but is not budging on the refunds.