Game Digital heading for unhappy Christmas as customers buy online

High street retailer warns of falling sales in face of intense competition from online stores and digital gaming services

December is traditionally the biggest games-buying month of the year, but it's proving distinctly unfestive for retailer Game Digital, which has warned of falling sales in its stores.

Sales of games for current-generation consoles such as the Xbox One and PlayStation 4 are not growing fast enough to outweigh the decline in sales of games for their predecessors, the Xbox 360 and PS3.