The official Pokémon Tretta website has announced that 500 lucky players will receive a Pikachu trophy tretta via a lottery. Registered players must submit an end of game ranking between December 15th, 2012 and December 25th, 2012 in order to quality. There will be a second lottery distribution of this Pikachu tretta in the future.


Source: http://www.pokemontretta.com/event/e121212/