Pokemon X/Y – GAME handling Shiny Gengar and Diancie distributions in the UK
Update: These distributions are also for France, Germany, Spain, Belgium, The Netherlands, and Italy at the same time, but dates are currently unknown.
GameStop is handling the distribution of Shiny Gengar and Diancie for Pokemon X/Y in North America. In Europe, GAME will be hosting the events.
Pokemon fans in the UK can stop by GAME between October 15 and November 5 to obtain Shiny Gengar with a Gengarite Mega Stone. Diancie’s distribution will follow between on November 6, lasting through November 28.
Shiny Gengar and Diancie will both be available via a special code distribution at any GAME store.
Source: Pokemon PR, Source 2