Ars Technica reports that game rental service GameFly has filed a complaint against the US Postal Service over game discs that are lost and damaged in the mail. GameFly contends that discs are broken by the mail sorting equipment, a problem that persisted after they started using a protective insert that doubled its shipping costs. They say between one and two percent of the games they ship are damaged, but that preferential treatment of similar mailings by Netflix and Blockbuster prevents them form suffering similarly (though no breakage figures for either of them are provided).